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Best Telescope Filters - Buying Guide

Last Updated: 10/14/2019

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  #1

Orion 05662 1.25-Inch 13 Percent Transmission Moon Filter (Black)

Model: 5662   |    Mpn: 5662   |    Ean: 5554442286959   |    PartNumber: 5662   |   Asin: B0000XMUWS

We are able to see the Moon at night thanks to sunlight reflecting off its rocky surface. When looking at the Moon through a telescope, bright reflected sunlight can produce significant glare. The Moon's disk, even at partial phases, is in fact so intensely bright with reflected sunlight that observing surface details can be challenging due to the overwhelming glare. This glare can be so bright that it washes out most of the interesting lunar features such as craters, rilles, mountains, and valleys. The considerable brightness also reduces contrast on our nearest neighbor in the solar system. To improve contrast and tone down glare easily, we recommend using a neutral-density 1.25 inch Orion 13 percent Transmission Moon Filter. This inexpensive accessory threads directly into a 1.25 inch eyepiece barrel and blocks 87 percent of the light gathered by the telescope, making for more comfortable lunar views exhibiting higher contrast. Once installed on a 1.25 inch telescope eyepiece, the Orion 13 percent Transmission Moon Filter will bring out considerably more lunar surface details thanks to the boosted contrast. Not only will more surface features and details pop out, but you can study them in greater comfort, thanks to Moon Filter reducing overall brightness without altering color. This neutral-density telescope eyepiece filter reduces irradiation, which is the distortion at the boundary between light and dark areas, such as along the lunar terminator. Using a Moon filter also helps conserve dark-adapted vision while viewing the lunar surface, especially when using big telescopes with 6 inches of aperture and larger. The Moon is one of the most interesting objects in the night sky to observe through a telescope. Its rugged surface is a feast for the eyes of amateur astronomers, with fascinating craters, mountainous highlands, and large, dark lunar seas formed by ancient volcanic activity.

Features

  • The Orion 1.25 inch 13 percent Transmission Moon Filter reduces glare so you can see more lunar detail and surface features with your telescope
  • Metal filter cell threads directly into the 1.25 inch barrel of your telescope eyepiece
  • Especially useful for large aperture telescopes through which the light of the Moon can be extremely overwhelming
  • Telescope eyepiece filter transmits only 13 percent of the incoming light, boosting contrast and ability to discern detail on the Moon
  • Perfectly neutral color will not alter the natural color of the Moon
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Brand: Orion   |   Manufacturer: Optronic Technologies, Inc

Item Dimensions: 0.25 x 1.25 x 1.25 inches (0.6 x 3.2 x 3.2 cm)   |   Package Dimensions: 0.8 x 3.1 x 3.6 inches (2.0 x 7.9 x 9.1 cm)

Amazon Price: $19.99 | as of 10/14/2019(8:31pm pst)
Availibility: Usually ships in 24 hours
List Price: $19.99 | Used Price: $15.66

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  #2

Celestron 1.25" Moon Filter

Model: 94119-A   |    Mpn: 94119-A   |    Ean: 0012304549529   |    PartNumber: 94119-A   |   Asin: B00006LSVL

The Moon has the distinction of being the most often viewed celestial object through backyard telescopes. It is undoubtedly beautiful and mysterious, and is one of those constants in our lives that connects us to every other being on our planet. Regardless of who we are or where we live or travel, we all look at the same moon. It is difficult to look at the Moon through a telescope and see all of the details due to its brightness. Our eyes are not ready for the bright beam of light that emits from the eyepiece, and they stop down , just as they would when you step out into the sunlight on a bright summer s day. When we re in the sunlight, we often wear sunglasses. They help us relax our eyes, protect us from glare, and help us see things more clearly. When amateur astronomers observe the Moon, we use a moon filter. A Celestron Moon Filter provides similar benefits to those of sunglasses...our eye relaxes and opens up to let us see more detail. This is especially important when observing the Moon when it is near full. The Celestron Moon Filter simply screws onto the insert barrel of most 1.25 eyepieces. It only takes a second or two to transform your regular eyepiece into one suited for lunar observations. A Moon Filter is also helpful when observing Venus or bright terrestrial scenes. This filter is not suitable for viewing the Sun.

Features

  • Reduce glare and increase contrast of the Moon with the Celestron 1.25" Moon Filter
  • Also useful for extra bright planets as well as terrestrial viewing over sand or snow
  • Threads onto most 1.25 eyepieces in seconds
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Brand: Celestron   |   Manufacturer: Celestron Acquisition LLC

Item Dimensions: 1.75 x 1.75 x 3 inches (4.4 x 4.4 x 7.6 cm)   |   Package Dimensions: 1.65 x 1.77 x 6.18 inches (4.2 x 4.5 x 15.7 cm)

Amazon Price: $8.29 | as of 10/14/2019(8:31pm pst)
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List Price: $8.49 | Used Price: $5.97

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  #3

BP-1212 - Silver-Black Polymer Solar Filter Film Sheet (12" x 12") - 1 ea

Model: BP-12   |    Mpn: BP-1212   |    Ean: 3230922621879   |    PartNumber: BP-1212   |   Asin: B00DS7SSEW

Black Polymer sheets are commonly used to make home-made solar filters. Can be used for naked eye observation of the sun, telescopes, finders, and binoculars. - We only sell Thousand Oaks Optical (TOO) solar filters, the leading manufacturer that has been making safe solar filters for 35 years. - Safely view the sun anytime, including during all phases of an eclipse with TOO solar filter sheets, lens filters, glasses, or viewers. TOO's exclusive high quality substrates provide superior safety features, sharper solar images, and a pleasing orange solar image. All products meet CE requirements. Only TOO has CE and ISO certification. Safe for unlimited visual and photographic use. Transmission: 1/1,000th of 1% (Optical Density 5). - TOO products were exclusively chosen by NASA for use aboard the Space Shuttles. Other professional users include: ABC, BBC CBS, NBC, CNN, NOVA, The Discovery Channel, National Geographic, and most major universities and observatories throughout the world. TOO uses the latest technology for manufacturing and developing new products. Tens of thousands of their solar filters and millions of their solar eclipse viewers are used world wide.

Features

  • Dimensions: 12" X 12"
  • Make your own solar filter for camera, telescope, finder, binocular or handheld eclipse viewer
  • (Size shown in pictures is 8.5 X 11); Solar image is yellow-orange; Made in USA
  • Black polymer is the most common filtering material for observing sunspots and granulation through telescopes and binoculars; Consistent yellow-orange solar image, even density with any aperture, and flat surface compared to other thin film filters that have wrinkles and creases; (Sheet is shipped in between cardboard and does not include a storage case)
  • REMEMBER, DO NOT VIEW THE SUN THROUGH AN UNPROTECTED FINDER SCOPE. MAKE SURE TO DETACH OR COVER YOUR FINDER SCOPE IF IT IS UNPROTECTED!
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Brand: Thousand Oaks Optical   |   Manufacturer: Thousand Oaks Optical

Amazon Price: $26.99 | as of 10/14/2019(8:31pm pst)
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List Price: $26.99

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  #4

Meade Instruments Series 4000 MoonFilter: ND96 , Black - 7531

Model: 7531   |    Mpn: 7531   |    Ean: 5580007454365   |    PartNumber: 7531   |   Asin: B00020XAK0

The Meade 07531 Series 4000 ND96 1.25-Inch Moon Filter for Series 4000 and 5000 Eyepieces helps to enhance the experience of viewing the moon with 13-percent transmission. This neutral density filter transmits light across the entire visual spectrum and acts as a filter to get rid of glare and irradiation. Telescopes with apertures of 4-inches and larger are ideal for this item. It can also divide nearby double stars when the brightness levels don t match. The Meade 07531 Series 4000 ND96 1.25-Inch Moon Filter for Series 4000 and 5000 Eyepieces comes with a 1-year limited warranty. Meade has everything you need to capture the night sky for experienced star-shooters, serious researchers and beginners alike. Serious astronomers for years have flocked to Meade telescopes for their quality optical systems and patented technology. Consumers know that "Meade Optics Inside" means that what they see through our telescopes will be views that are detailed, crisp and full of contrast. Look through a Meade this evening and see what you've been missing.

Features

  • Enhances the experience of viewing the moon with 13-percent transmission
  • Neutral Density filter transmits light across the entire visual spectrum
  • Acts as a filter to get rid of glare and irradiation
  • Ideal for telescopes with apertures of 4-inches and larger
  • Comes with a 1-year limited
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Brand: Meade Instruments   |   Manufacturer: Meade

Item Dimensions: 4 x 4 x 6 inches (10.2 x 10.2 x 15.2 cm)   |   Package Dimensions: 0.9 x 1.8 x 2.2 inches (2.3 x 4.6 x 5.6 cm)

First Available: 2018-12-10

Amazon Price: $15.99 | as of 10/14/2019(8:31pm pst)
Availibility: Usually ships in 24 hours
List Price: $17.99

Warranty: Comes with a 1-year limited warranty

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  #5

Orion 05594 2-Inch 13 Percent Transmission Moon Filter (Black)

Model: 5594   |    Mpn: 5594   |    Ean: 0759270055943   |    PartNumber: 5594   |   Asin: B00D3F7HSW

The Moon's disk, even at partial phases, is intensely bright with reflected sunlight. The glare washes out most of the craters, rilles, and other surface details from view. Our Moon Filter reduces the glare, allowing transmission of only 13 percent of the reflected light. Not only will you see more surface features, but you can study them in greater comfort. This telescope filter reduces irradiation, which is the distortion at the boundary between light and dark areas, such as along the lunar terminator. The 2 inch Orion 13 percent Transmission Telescope Moon Filter is especially useful to owners of large-aperture scopes, in which the Moon's brightness can be overwhelming. It uniformly reduces light over the entire visible spectrum. Screws into threaded telescope eyepiece barrel.

Features

  • Helps reduce the bright glare of the Moon so you can see more lunar detail and surface features with your telescope
  • 2 inch Moon filter with metal filter cell construction threads directly into the barrel of a 2 inch telescope eyepiece
  • Especially useful for large aperture telescopes through which the bright Moon surface can be overwhelming
  • Transmits just 13 percent of the incoming light to your eye, enhancing your view
  • Neutral filter will not alter the natural color of the Moon in your views
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Brand: Orion   |   Manufacturer: Optronic Technologies, Inc

Item Dimensions: 2 x 0.75 x 2 inches (5.1 x 1.9 x 5.1 cm)   |   Package Dimensions: 0.7 x 3.1 x 3.1 inches (1.8 x 7.9 x 7.9 cm)

Amazon Price: $24.99 | as of 10/14/2019(8:31pm pst)
Availibility: Usually ships in 24 hours
List Price: $26.09

Warranty: one year

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  #6

Celestron 94244 Enhance Your Viewing Experience Telescope Filter, 8", Black

Model: 94244   |    Mpn: 94244   |    Ean: 0050234942447   |    PartNumber: 94244   |   Asin: B071L1XRJN

Enhance your viewing experience with Celestron's EclipSmart Solar Filter for Celestron 8 telescopes. With two Velcro straps and four self-adhesive Velcro pads for added safety, you can be assured that the solar filter cannot be accidentally knocked off and will provide Solar Safe, ISO compliant viewing. List of 8" SCT: Advanced VX 8" Schmidt-Cassegrain Telescope Advanced VX 8 EdgeHD Telescope CPC 800 GPS (XLT) Computerized Telescope CPC Deluxe 800 HD Computerized Telescope NexStar 8SE Computerized Telescope NexStar Evolution 8 Nexstar Evolution 8 HD with StarSense CGEM - 800 Computerized Telescope CGEM 800 HD Computerized Telescope CGEM II 800 Schmidt-Cassegrain Telescopes CGEM II 800 EdgeHD Telescopes CGX Equatorial 800 Schmidt-Cassegrain Telescopes CGX Equatorial 800 HD Telescopes Solar Safe Technology EclipSmart solar products feature Solar Safe filter technology providing the ultimate protection from harmful solar radiation, including both IR and UV light, and filters 99.999% of visible light. Celestron Solar Safe filter technology is GUARANTEED SAFE for direct solar observation and has been independently tested by SAI Global Assurance Services. Solar Safe products conform to and meet the transmission requirements of ISO 12312-2, Filters for Direct Observation of the Sun, EN 1836:2005 + A1:2007 (E) for an E15 Filter for the Direct Observation of the Sun and, AS/NZS 1338.1:2012, Filters for Eye Protectors.

Features

  • Instantly transform your normal Celestron 8" Schmidt-Cassegrain telescopes (8" SCT) and Celestron 8" EdgeHD telescopes into a yellow-light solar telescope (for a complete list of 8" scopes, look in description section)
  • ISO compliant solar safe film protects your eyes when viewing the sun, unlike some other filters on the market
  • Scratch resistant polymer produced by American Paper Optics
  • Designed from the telescope's lens cap for a snug fit, each filter includes two safety Velcro straps and four self-adhesive Velcro pads for safely securing your solar filter in place
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Brand: Celestron   |   Manufacturer: Celestron Acquisition LLC

Item Dimensions: 2 x 9.75 x 9.75 inches (5.1 x 24.8 x 24.8 cm)   |   Package Dimensions: 2 x 9.8 x 9.9 inches (5.1 x 24.9 x 25.1 cm)

Amazon Price: $44.99 | as of 10/14/2019(8:31pm pst)
Availibility: Usually ships in 24 hours
List Price: $56.10

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  #7

SVBONY 1.25 inches UHC Filter Astrophotography to Improve The Image Contrast Reduces Light Pollution (1.25 inch)

Model: FUSF9131A   |    Mpn: FUSF9131A   |    Ean: 0714559977538   |    PartNumber: FUSF9131A   |   Asin: B06XKRSH6X

The SVBONY ultra high contrast filter/UHC telescope filter is designed to improve the image contrast of nebulae and other deep-sky objects UHC filters or light pollution reduction filters are designed to selectively reduce the transmission of certain wavelengths of light;especially those produced by artificial light Due to its ability to produce exceptionally sharp and clear images;this filter is considered one of the most popular astronomy accessories;it can be used not only for celestial observations but also for astrophotography Main points:
Brand New SVBONY 1.25" UHC filter Sky background is darker for observations of deep-sky objects This filter is perfect for observation of faint and low-contrast deep-sky objects These features make it perfect for observing nebulae and other deep-sky objects Barrel diameter: 1.25'' simply attach to eyepiece-cased in a sturdy transparent case Significantly reduces light pollution;great for city and suburban observation Specification:
Type: Ultra High Contrast Filter (UHC Filter)
Material: Optical glass lens, Aluminum Frame
Shape: Round
Barrel diameter: 1.25''
Thread: Standard M28.5*0.6mm
Net Weight: 5.2g / 0.18oz Note:
The filters of SVBONY are not designed for sun observation
Do not look at the sun with SVBONY filter;otherwise it will burn your eyes Package Includes:
1xSVBONY 1.25 inch UHC Filter
1xSturdy Plastic Case

Features

  • UHC filters or light pollution reduction filters are designed to selectively reduce the transmission of certain wavelengths of light;especially those produced by artificial light
  • Sky background is darker;and contrast of emission nebulae are noticeably improved;the perfect filter for viewing nebula from light polluted skies;or for boosting the contrast of nebula from dark sky sites
  • Due to its ability to produce exceptionally sharp and clear images;this UHC filter is considered one of the most popular astronomy accessories;it can be used not only for celestial observations but also for astrophotography
  • 1.25'' barrel diameter simply attach to eyepiece cased in a sturdy transparent case;standard filter thread for 1.25 eyepieces and other accessories
  • Optical glass lens;aluminum frame;significantly reduces light pollution;great for city and suburban observation
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Brand: SVBONY   |   Manufacturer: SVBONY

Item Dimensions: 1.97 x 2.76 x 2.76 inches (5.0 x 7.0 x 7.0 cm)   |   Package Dimensions: 1.1 x 4.53 x 7.13 inches (2.8 x 11.5 x 18.1 cm)

Amazon Price: $27.99 | as of 10/14/2019(8:31pm pst)
Availibility: Usually ships in 24 hours
List Price: $27.99

Warranty: Lifetime warranty;we confidently promise lifetime warranty for each one form us

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  #8

Orion 5560 1.25-Inch Variable Polarizing Filter

Model: 5560   |    Mpn: 5560   |    Ean: 0759270055608   |    PartNumber: 5560   |   Asin: B0069VY9CO

This versatile filter acts like a dimmer switch for your telescope, toning down the brightness of the Moon or planets to a level that is comfortable. The reduction in brightness and glare unmasks detail in your viewing subject and greatly improves contrast. The filter consists of two high-grade glass polarizing filters in a rotating cell that allows you to adjust the amount of light transmission from 1% to 40%. Such control is highly desirable for lunar observing because the Moon's brightness varies with its phase. The filter is great for terrestrial observing too, especially on sunny days. The filter has an anodized aluminum cell, which threads into the barrel of any standard eyepiece. Available in 1.25" and 2" sizes. Storage case included.

Features

  • The Orion Variable Polarizing eyepiece filter acts like a dimmer switch for your telescope
  • Finer control of the image brightness compared to a standard fixed-transmission telescope eyepiece filter for optimal performance
  • Adjust the amount of light transmission from 1% to 40% by rotating the eyepiece filter housing
  • Consists of two high-grade glass polarizing filters in an 1.25 rotating anodized aluminum cell
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Brand: Orion   |   Manufacturer: Orion

Package Dimensions: 0.8 x 3.8 x 3.9 inches (2.0 x 9.7 x 9.9 cm)

Amazon Price: $29.99 | as of 10/14/2019(8:31pm pst)
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List Price: $29.99

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  #9

Neewer 1.25 inches Telescope Moon Filter, CPL Filter, 5 Color Filters Set(Red, Orange, Yellow, Green, Blue), Eyepieces Filters for Enhancing Definition and Resolution in Lunar Planetary Observation

Model: 10090864   |    Mpn: 10090864   |    Ean: 0191073021785   |    PartNumber: 10090864   |   Asin: B074CXG6SJ

NOTE: The telescope is not included Description The set includes a Moon and Skyglow Filter, a CPL Filter and 5 Color Filters(Red, Orange, Yellow, Green, Blue). Moon and Skyglow Filter It cuts down glare and brings out much more surface detail and gives you better contrast. CPL Filter It filters out scattered light, enables you to cut through reflections and see the detail behind it. It tones down the brightness of the lunar surface so you can enjoy optimized contrast of the moon. 5 Color Filters Includes Red Filter, Orange Filter, Yellow Filter, Green Filter and Blue Filter. Red Filter Used in large telescopes, it sharpens boundaries and increases contrast on Mars, sharpens belt contrast on Jupiter, and brings out surface detail on Saturn. Orange Filter It helps increase contrast between light and dark areas, penetrates clouds, and assists in detecting dust storms on Mars. It also helps bring out the Great Red Spot and sharpen contrast on Jupiter. Yellow Filter It helps in viewing Mars by bringing out the polar ice caps, enhancing blue clouds in the atmosphere, increasing contrast, and brightening desert regions. It also enhances red and orange features on Jupiter and Saturn and darkens the blue festoons near Jupiter's equator. Green Filter It enhances frost patches, surface fogs, and polar projections on Mars, the ring system on Saturn, belts on Jupiter and works as a general-purpose filter when viewing the Moon. Blue Filter It provides detail in atmospheric clouds on Mars, increases contrast on the moon, brings out detail in belts and polar features on Saturn, enhances contrast on Jupiter's bright areas and cloud boundaries. It also helps split the binary star Antares when at maximum separation. Package Contents 1 x Moon and Skyglow Filter 1 x CPL Filter 5 x Color Filters(Red, Orange, Yellow, Green, Blue)

Features

  • PLEASE NOTE: The telescope is not included. Kit includes: (1)Moon and Skyglow Filter; (1)CPL Filter; (5)Color Filters: Red, Orange, Yellow, Green, Blue; Designed to reduce glare and light scattering, increase contrast through selective filtration, increase definition and resolution, reduce irradiation and lessen eye fatigue
  • MOON AND SKYGLOW FILTER: Cuts down glare and brings out much more surface detail and gives you better contrast; It is a multi-band pass filter transmitting a high percentage of light in the visual spectrum; Effectively filters out selective wavelengths of low-pressure sodium and other man-made sources typically used in street lighting
  • CPL FILTER: By utilizing a CPL filter, which filters out scattered light, you are able to cut through those reflections and see the detail behind it; Enhances the contrast of the moon and planets in photographic images
  • STANDARD 1,25-inch THREAD SIZE: 1.25 inches/ 3.17 centimeters thread size, fits for most of telescopes; Color filters have the grooves needed to be softly screwed into the eyepieces lens easily
  • 5 COLOR FILTERS: Includes Red, Orange, Yellow, Green, Blue; Red: Helps make Mercury and Venus stand out from the blue sky when viewed during the day; Orange: Helps increase contrast between light and dark areas, penetrates clouds; Yellow: Helps greatly in viewing Mars by bringing out the polar ice caps; Green: Enhances frost patches, surface fogs, and polar projections on Mars; Blue: Helps split the binary star Antares when at maximum separation
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Brand: Neewer   |   Manufacturer: Neewer

Item Dimensions: 2.76 x 4.25 x 6.42 inches (7.0 x 10.8 x 16.3 cm)   |   Package Dimensions: 2.76 x 4.65 x 6.93 inches (7.0 x 11.8 x 17.6 cm)

Amazon Price: $34.99 | as of 10/14/2019(8:31pm pst)
Availibility: Usually ships in 24 hours
List Price: $34.99

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  #10

Gosky 1.25 Inch Light Pollution Filter for Telescope

Model: 4332013166   |    Mpn: QHFT082   |    Ean: 0747380971710   |    PartNumber: QHFT082   |   Asin: B01LGZNMGG

Gosky 1.25 Inch Light Pollution Filter for Telescope
Light pollution filters are designed to improve the visibility of deep sky objects by blocking out the mercury vapor, sodium vapor, and other such emission lines from man-made or natural sources which contribute to light pollution. In turn, these filters allow a broad range of more useful wavelengths to pass to the eye or imaging sensor. By selectively screening out of some of the background sky glow, the contrast is increased and allows deep sky objects to stand out against the background. Also improves contrast on reddish planetary detail. Works well in telescopes of all apertures but is highly recommended for use on telescopes, where conventional filters swallow up too much light. The filter will fit all standard sized 1.25" eyepieces and accessories. Can be threaded on both sides for stacking with other filters if necessary. It is mounted in a nicely anodized housing.Comes with sturdy plastic case-proect the eyepiece from dust and moisture. And it is available in two sizes, threaded to fit standard 1.25 astronomical eyepieces. Specifications:
Type: Light Pollution filter
Main Dimension :1.25 inch
Weight: 1.05oz
Diametre :30mm
Package Include:
1 X Light Pollution filter
1 X Sturdy plastic case

Features

  • Improve the visibility of deep sky objects by blocking out the mercury vapor, sodium vapor, and other such emission lines from man-made or natural sources which contribute to light pollution
  • Improves contrast on reddish planetary detail. Works well in telescopes of all apertures
  • The filter will fit all standard sized 1.25 eyepieces and accessories. Can be threaded on both sides for stacking with other filters if necessary
  • Comes with sturdy plastic case-proect the eyepiece from dust and moisture
  • Mounted in a nicely anodized housing.
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Brand: Gosky   |   Manufacturer: Gosky

Package Dimensions: 0.94 x 2.76 x 3.7 inches (2.4 x 7.0 x 9.4 cm)

First Available: 2018-09-05

Amazon Price: $19.99 | as of 10/14/2019(8:31pm pst)
Availibility: Usually ships in 24 hours
List Price: $19.99

Warranty: 1 Year

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  #11

Astromania 1.25" Multiple 5-Position Filter Wheel for Telescope

Model: SKU_AM_FW1M5   |    Mpn: SKU_AM_FW1M5   |    Ean: 6970019290348   |    PartNumber: SKU_AM_FW1M5   |   Asin: B0140UA820

Filter Installation:
Partial disassembly of the filter wheel(please refer to the product image). You may wish to note the number designation of each installed filter for convenient reference during use. You may find it useful to leave one of the five threaded filter locations empty, providing an unfiltered option for viewing or imaging. If you are installing an individual filter or swapping one filter for another, you can avoid partial disassembly of the filter wheel. To install an individual filter, unthread the 1.25" nosepiece from the assembly to expose the internal filter tray. Rotate the tray so the desired filter location is shown. Install the 1.25" filter by placing it on the filter tray and rotating it clockwise with your fingertips. Astromania 1.25" filters feature a knurled rim which will prove helpful for this type of installation. Be careful not to touch the actual filter surface. Note: individual filter installation without disassembly may not be convenient for all users, especially those with large fingers!

Attaching the Filter Wheel to a Telescope:
1)Using the 1.25" nosepiece: If your telescope features a 1.25" focuser, adapter, or diagonal the easiest way to attach the Multiple Filter Wheel is by using the included 1.25" nosepiece. Thread the nosepiece onto the front plate of the wheel assembly. Now simply insert the nosepiece into your telescopes' 1.25" focuser or accessory and secure by tightening the thumbscrew.
2)Using T-threads: Some telescopes feature focus adapters with exterior T-threads. If you are using such a telescope, you can attach the Multiple Filter Wheel directly to the T-threads without using the 1.25" nosepiece. Carefully attach the wheel to the T-threads by rotating the entire assembly clockwise until tight.

Features

  • It is 5-Position 1.25" Filter Wheel For Telecope. and high-quality telescope filter wheel allows you to quickly and easily change.A huge time-saver for filtered planetary and lunar observation using different color filters, or for tri-color astrophotography pursuits. Included 5-Position 1.25" Filter Wheel lets you install all filters and then dial-in the 1.25" filter you want to use for a particular astrophotographic exposure. The filters can be changed very quickly at any time.
  • The robustly constructed filter wheel is supplied with a 1.25 eyepiece adaptor, 1.25 focuser nosepiece, T-2 camera adaptor and locking ring. The filter wheel can be attached to your focuser either by the supplied 1.25 nosepiece adaptor or via a T-thread. It is ideally suitable for visual observations with 1.25 eyepieces. and with the included T2 adapter it is also perfectly suitable for astrophotography with single lens reflex cameras and CCD cameras.
  • Keep in mind that use of the Multiple Filter Wheel requires 20mm of inward focus travel. This will not be a problem for most telescope designs, but could be a problem for Newtonian reflectors. The included T2 adapter comes with a locking ring, whereby high-precision distance regulation becomes possible.Its very sturdy aluminum housing makes it also suitable for heavy cameras.
  • Use: The Astromania Multiple Filter Wheel features a helpful number system that allows you to quickly place the filter of your choice into the light path. Simply note the reference number of each filter during installation, then rotate the knurled wheel until the desired number is displayed in the small notch in the filter wheel housing.
  • Care and Storage: Feel free to leave your 1.25 filters installed in the wheel during storage. To avoid excessive dust buildup, be sure to attach the dustcaps prior to storing, and use a foam-lined accessory case. The foam-lined box your Multiple Filter Wheel arrives in also acts as a convenient storage container. Simply unthread the 1.25 nosepiece from the filter wheel and place the wheel and nosepiece in the diecut foam. Now you can safely store your filter wheel without worrying about dust.
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Brand: Astromania   |   Manufacturer: Astromania

Item Dimensions: 2.91 x 5.33 x 5.97 inches (7.4 x 13.5 x 15.2 cm)   |   Package Dimensions: 3.1 x 5.4 x 6 inches (7.9 x 13.7 x 15.2 cm)

Amazon Price: $49.99 | as of 10/14/2019(8:31pm pst)
Availibility: Usually ships in 24 hours
List Price: $49.99

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  #12

Celestron 94305 Two-inch Eyepiece and Filter Kit

Model: 94305   |    Mpn: 94305   |    Ean: 0050234943055   |    PartNumber: 94305   |   Asin: B000A3OPTE

Three E-Lux 2 Eyepieces - 3-element fully multicoated optical design with a 56 apparent field of view 2 Barlow Lens - 2x A Barlow lens doubles the magnifying power of your eyepiece by doubling its effective focal length. Five Colored Eyepiece (Lunar & Planetary) Filters - 2, Included are Kodak Wratten #12 (deep yellow) 2 Mirror Diagonal - This high quality 90-degree multicoated mirror diagonal The Aluminum Carrying Case is sturdy and well-built and holds all of the included items in the die-cut foam interior.

If you've got a telescope or spotting scope equipped with a two-inch focuser, you will want to consider adding the Celestron 94305 Two-inch Eyepiece and Filter Kit. Featuring several of Celestron's high-quality accessories, this kit can be used with virtually any telescope or spotting scopes, regardless of the manufacturer, with a two-inch focuser. Included in the kit are: Three E-Lux two-inch eyepieces, featuring a three-element, fully multicoated optical design with a 56-degree apparent field of view (the 40mm has a 50-degree field of view), in 26mm, 32mm, and 40mm focal lengths. One two-inch Barlow 2x lens. This fully multicoated lens doubles the magnifying power of your eyepiece by doubling its effective focal length and gives you a total of six power combinations. Five colored eyepiece (lunar and planetary) filters, including one each of the following: Kodak Wratten numbers 12 (deep yellow), 21 (orange), 25 (red), 58 (green), and 80A (blue). These two-inch filters are designed to greatly enhance your enjoyment of the solar system. One two-inch, 90-degree, multicoated mirror diagonal that allows you to take advantage of the wider field of view provided by two-inch eyepieces. It fits all rear cells of Schmidt-Cassegrain telescopes and includes an adapter to use with refractor telescopes. The accessories are housed in a sturdy aluminum carrying case with a die-cut interior for convenient storage and protection. Each accessory is protected by Celestron's one-year limited warranty. What's in the Box
Three E-Lux eyepieces, E-Lux Barlow lens, five lunar/planetary filters, 90-degree star diagonal, refractor adapter, and aluminum carrying case.

Features

  • Three E-Lux 2" Eyepieces - 3-element fully multicoated optical design with a 56 apparent field of view
  • 2 Barlow Lens - 2x A Barlow lens doubles the magnifying power of your eyepiece by doubling its effective focal length.
  • Five Colored Eyepiece (Lunar & Planetary) Filters - 2, Included are Kodak Wratten #12 (deep yellow)
  • 2 Mirror Diagonal - This high quality 90-degree multicoated mirror diagonal
  • The Aluminum Carrying Case is sturdy and well-built and holds all of the included items in the die-cut foam interior.
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Brand: Celestron   |   Manufacturer: Celestron

Item Dimensions: 6.61 x 11.61 x 14.61 inches (16.8 x 29.5 x 37.1 cm)   |   Package Dimensions: 6.5 x 12 x 14.4 inches (16.5 x 30.5 x 36.6 cm)

Amazon Price: $235.99 | as of 10/14/2019(8:31pm pst)
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List Price: $235.99 | Used Price: $207.67

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  #13

Optolong 2" L-Enhance Dual Narrowband Light Pollution Filter (H-Alpha and H-Beta/O-III)

Model: L-eNhance2"   |    Mpn: 6971991896023   |    Ean: 6971991896023   |    PartNumber: 6971991896023   |   Asin: B07SY93LHN

The relentless spread of urbanization and its associated light pollution have become a growing problem for all amateurs and astro photographers. The current solutions to the problem can be expensive and might include the purchase of a monochrome camera, several types of narrowband filters and a filter wheel. L-eNhance provides an economical and practical solution for amateurs. It is a dual band-pass narrowband filter which has been designed for DSLR (digital SLR), color CMOS and CCD Astrophotography Cameras. The convenience and cost effectiveness of this filter allows amateurs to image a rich selection of astronomical images, even in bright, heavily light-polluted areas. Optolong believes the design of our L-eNhance filter is a technical innovation among filters. It effectively isolates the H-Alpha, H-Beta, and Oxygen III nebula emission lines and achieves a maximum transmission of up to 90%. The performance of this filter delivers images that superbly control the impact from light polluted skies. According to the characteristics of celestial body emission lines and the light pollution spectrum, Optolong specially designed and optimized dual-band L-eNhance filter in order to retain the prominent color of nebula RGB while blocking out most of light pollution. The Optolong L-eNhance filters have threads on one side - they can be used with filter wheels, filter drawers, focusers with a place to thread focal reducers internally (such as some Moonlite focusers) and camera nose pieces that fit into compression rings but the filter should not be threaded into the imaging train like an adapter ring with threads on both sides. Substrate: B270 Thickness: 1.85mm Tpeak: T>90% Blocking range: 300-1000nm Blocking depth: Light pollution line blocking >99% Surface quality: 60/40 Transmitted Wavefront RMS: /4 Parallelism (arcsec): 30s

Features

  • Excellent Light Pollution Suppression
  • Image in Urban Areas and Under Moonlight
  • Take One-Shot Color Images with Superior Color Fidelity
  • Narrowband Filtering Passes Hydrogen-Alpha, Hydrogen-Beta and Oxygen-III
  • Can be Used with Filter Wheel, Filter Drawer or Camera Nose Piece
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Brand: Optolong   |   Manufacturer: Optolong

Package Dimensions: 0.71 x 2.95 x 3.5 inches (1.8 x 7.5 x 8.9 cm)

Amazon Price: $249.99 | as of 10/14/2019(8:31pm pst)
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List Price: $249.99

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  #14

Celestron 94243 Enhance Your Viewing Experience Telescope Filter, 6", Black

Model: 94243   |    Mpn: 94243   |    Ean: 0050234942430   |    PartNumber: 94243   |   Asin: B071DVRM17

Enhance your viewing experience with Celestron With two Velcro straps and four self-adhesive Velcro pads for added safety, you can be assured that the solar filter cannot be accidentally knocked off and will provide Solar Safe, ISO compliant viewing List of 6" SCT: SkyProdigy 6" Computerized Telescope Advanced VX 6" Schmidt-Cassegrain Telescope NexStar 6SE Computerized Telescope NexStar Evolution 6 Solar Safe Technology EclipSmart solar products feature Solar Safe filter technology providing the ultimate protection from harmful solar radiation, including both IR and UV light, and filters 99.999% of visible light. Celestron Solar Safe filter technology is GUARANTEED SAFE for direct solar observation and has been independently tested by SAI Global Assurance Services. Solar Safe products conform to and meet the transmission requirements of ISO 12312-2, Filters for Direct Observation of the Sun, EN 1836:2005 + A1:2007 (E) for an E15 Filter for the Direct Observation of the Sun and, AS/NZS 1338.1:2012, Filters for Eye Protectors.

Features

  • Instantly transform your normal Celestron 6" Schmidt-Cassegrain telescopes (6" SCT) into a yellow-light solar telescope (complete list of 6" SCT look in description section)
  • ISO compliant solar safe film protects your eyes when viewing the sun, unlike some other filters on the market
  • Scratch resistant polymer produced by American Paper Optics
  • Designed from the telescope's lens cap for a snug fit, each filter includes two safety Velcro straps and four self-adhesive Velcro pads for safely securing your solar filter in place
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Brand: Celestron   |   Manufacturer: Celestron Acquisition LLC

Item Dimensions: 1.75 x 7.75 x 7.75 inches (4.4 x 19.7 x 19.7 cm)   |   Package Dimensions: 1.97 x 7.72 x 7.87 inches (5.0 x 19.6 x 20.0 cm)

Amazon Price: $34.95 | as of 10/14/2019(8:31pm pst)
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List Price: $41.70 | Used Price: $30.48

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  #15

Meade Instruments 633002 Deep Sky Imager IV Monochrome

Model: 633002   |    Mpn: 633002   |    Ean: 0709942999402   |    PartNumber: 633002   |   Asin: B07H5MBWNC

The acclaimed Deep Sky Imager (DSI) camera series is BACK, and it s more advanced than ever. Equipped with a 16MP Panasonic CMOS image sensor, regulated two-stage thermo-electric cooler, and 3.8 m pixels, the new DSI-IV is the ideal camera for all of your astrophotography pursuits. The low-noise, high-resolution and fast USB 3.0 readout make this camera suitable for both deep-sky and planetary imaging, making it one of the most versatile astronomy cameras available.

Features

  • Large 4/3" format 16 Megapixel, low noise CMOS Sensor
  • Dual-stage, regulated, thermo-electric cooler suppresses thermal noise for clean, high-quality images
  • Includes SkyCapture camera control software
  • ASCOM compatible, drivers included
  • 23 Frames Per Second at Full Resolution (faster than subframed)
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Brand: Meade Instruments   |   Manufacturer: Meade

Item Dimensions: 9.9 x 10.9 x 5.2 inches (25.1 x 27.7 x 13.2 cm)   |   Package Dimensions: 4.92 x 10.04 x 10.71 inches (12.5 x 25.5 x 27.2 cm)

First Available: 2019-01-16

Amazon Price: $1,199.00 | as of 10/14/2019(8:31pm pst)
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List Price: $1,199.00

Warranty: N/A

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  #16

Meade Day and Night Telescope - 227000 EclipseView 82mm Reflecting with Removable Filter

Model: 227000   |    Mpn: 227000   |    Ean: 0709942998443   |    PartNumber: 227000   |   Asin: B06ZYHC6S8

The EclipseView 82mm Reflector allows you to set up and share the Sun gazing experience in seconds. This EclipseView table-top telescope is the ideal grab-and-go telescope offering easy and portable observation for an excellent value. SAFE for both Solar & Nighttime viewing.

Features

  • Removable white-light Solar filter for use both day & night!
  • Newtonian reflector with a generous 82mm (3.2) aperture to give you a great view of the Moon, planets, and the sun!
  • Lightweight (3.8 lbs.) and a compact 300mm (f/3.7) focal length for ultimate portability
  • Includes 26mm and 9mm eyepieces for low and high magnifications. Also includes 2x Barlow lens to double the magnifying power of your eyepieces
  • 360 swivel mount and a simple point-and-look design for easy use. CE & ISO Certified for Safe Viewing.
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Brand: Meade Instruments   |   Manufacturer: Meade

Item Dimensions: 17 x 8.25 x 8.25 inches (43.2 x 21.0 x 21.0 cm)   |   Package Dimensions: 10.2 x 10.2 x 16.3 inches (25.9 x 25.9 x 41.4 cm)

First Available: 2018-12-10

Amazon Price: $54.12 | as of 10/14/2019(8:31pm pst)
Availibility: Usually ships in 24 hours
List Price: $79.99

Warranty: Comes with a 1-year limited warranty

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  #17

SolarLite Filter for Telescope, fits ETX90, C-90, Questar 3.5, Wm. Optics ZS80II ED, Orion Obs. 70 & Astroview 90, Orion Explorer 90

Model: S4250   |    Mpn: 4250   |    Ean: 7290110151041   |    PartNumber: 4250   |   Asin: B01LYL3GEN

SOLARLITE Filters: NEW (Best Value) After years of R & D we have developed a new solar film that has the optical quality of the glass with the advantages of impregnated polymer (Thousand Oaks Optical Black Polymer). Will never develop pin holes or scratches that can let in light and ruin a filter. Other advantages: Light weight and does not require re-balancing tube assembly, will not break, consistent yellow-orange solar image, even density with any aperture, flat surface compared to other thin film filters that have wrinkles and creases. Will not tear or puncture. Stronger than any other solar film on the market. Also available in sheets. Guaranteed 15 years.

Features

  • 108mm\4.25" SolarLite Filter for 90mm\3.50" instruments. This filter should fit the following models: C-90, ETX 90, Questar 3.5, Wm. Optics ZS80II ED, Orion Obs. 70 & Astroview 90, Exployer 90 and instruments of similar outer diameter. Part # S4250.
  • Please read carefully: 108mm\4.25 is the diameter of the filter. The filter fits like a cap by friction. To be absolutely sure that the filter will fit, please measure the outer diameter of your instrument and make sure that it is not larger.
  • SolarLite filters have the optical quality of the glass with the advantages of impregnated polymer (Thousand Oaks Optical Black Polymer). The sun will appear in a natural yellow-orange color when viewed through your telescope using this filter.
  • This is a high quality product of Thousand Oaks Optical (Arizona), a manufacturer of safe solar filters for over 30 years. Words of the producer: stronger than any other solar film on the market. Guaranteed 15 years.
  • WARNING: ALWAYS MAKE SURE THE FILTER IS WELL ATTACHED TO THE TELESCOPE/BINOCULARS/CAMERA. IN CASE NECESSARY, USE STICKY TAPE TO SECURE IT. NEVER OBSERVE SUN WITHOUT A PROPERLY ATTACHED FILTER!
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Brand: Thousand Oaks Optical   |   Manufacturer: Thousand Oaks Optical

Package Dimensions: 2.3 x 5.3 x 5.8 inches (5.8 x 13.5 x 14.7 cm)

Amazon Price: $69.00 | as of 10/14/2019(8:31pm pst)
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List Price: $69.00

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  #18

Orion 5654 1.25-Inch UltraBlock NarrowBand Filter

Model: 5654   |    Mpn: 5654   |    Ean: 0887578765506   |    PartNumber: 5654   |   Asin: B0000XMUSC

The UltraBlock is a great filter for deep-sky observers located at highly light-polluted sites. Blocks all forms of light pollution - mercury vapor and sodium emission bands - while passing the critical hydrogen-beta and ionized oxygen wavelengths. With an UltraBlock, emission and planetary nebulas surface from the washed-out background sky. In dark skies, the UltraBlock also enhances the sky presence of a significant number of fainter deep-sky objects over unfiltered and wideband-filtered views.

Features

  • In areas plagued with significant light pollution, our UltraBlock eyepiece filter greatly increases contrast of emission and planetary nebulas
  • Allows you to see features and details through a telescope that would normally be lost due to light pollution
  • Blocks all forms of light pollution while passing critical hydrogen-beta and ionized oxygen wavelengths of light
  • Enhances the sky presence of a significant number of fainter deep-sky objects
  • Use with any filter-thread equipped 1.25 Orion eyepiece. Metal filter cell construction.
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Brand: Orion   |   Manufacturer: Orion

Package Dimensions: 0.9 x 3.1 x 3.2 inches (2.3 x 7.9 x 8.1 cm)

Amazon Price: $79.99 | as of 10/14/2019(8:31pm pst)
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List Price: $82.46 | Used Price: $65.59

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  #19

Astromania 2" Multiple 5-Position Filter Wheel for Telescope - Allowing You to Image Without Any Reflections or Stray Light

Model: SKU_AM_FW2M5   |    Mpn: SKU_AM_FW2M5   |    Ean: 6970019290355   |    PartNumber: SKU_AM_FW2M5   |   Asin: B0140UA9F6

This 2" filter wheel lets you use up to 5 different filters and change them within just a few seconds. Whether for astrophotography or visual observing - your filters are always ready to use. Use the filter wheel with UHC, OII, CLS and other filters, for example - which lets you quickly and easily find the best filter when visually observing.Imagine you have a camera mounted on the telescope and have to switch between different filters and quickly as possible. This is only possible using a filter wheel. A handy rotary wheel offers you incredibly fast switching between up to 5 different filters. Each filter position is designated by a number, which lets you know which filter is currently in the beam path.Open the filter wheel and screw up to 5 different filters into it. These can be RGB and luminance filters for astrophotography or wide-band and narrow-band filters for visual observing. You can also leave your filters mounted in the filter wheel, as they are optimally protected from dust and damage there.The telescope side of the filter wheel comes supplied with a 2" adapter, allowing you to quickly and easily attach it to your focuser. The filter wheel also has a T-2 thread on the telescope side for other adapters. On the accessory side, you will also find a T-2 and M48 thread. You can connect your camera or eyepiece connector here.The filter wheel interior is absolutely light-tight - allowing you to image without any reflections or stray light.

Features

  • Filter positions indicated by the numbers 1-5, takes any standard 2" filter. It's very sturdy aluminum housing makes it also suitable for heavy cameras, accessory-side T-2 and M48 threads.
  • This 2 filter wheel lets you use up to 5 different filters and change them within just a few seconds, you can also leave your filters mounted in the filter wheel, as they are optimally protected from dust and damage there.
  • The telescope side of the filter wheel comes supplied with a 2 adapter, allowing you to quickly and easily attach it to your focuser. The very short design also permits the use of devices with short back focus such as Newton or Dobson telescopes.
  • The filter wheel interior is absolutely light-tight - allowing you to image without any reflections or stray light. It's construction is impermeable to light and thus ensures reflection-free astrophotography.
  • Please note: your focuser will require 20mm of inward focusing distance from the normal focus position to compensate for the thickness of the filter wheel.
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Brand: Astromania   |   Manufacturer: Astromania

Item Dimensions: 4.14 x 7.44 x 7.62 inches (10.5 x 18.9 x 19.4 cm)   |   Package Dimensions: 4.7 x 7.5 x 8.2 inches (11.9 x 19.1 x 20.8 cm)

Amazon Price: $87.99 | as of 10/14/2019(8:31pm pst)
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List Price: $87.99

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  #20

Telescope 1.25" UHC Ultra High Contrast Narrow Bandpass Filter

Model: GOPA001   |    Mpn: FT079   |    Ean: 0747380918371   |    PartNumber: FT079   |   Asin: B01L8XXZHC

Telescope 1.25" UHC Ultra High Contrast Narrow Bandpass Filter

UHC Filters are designed to selectively reduce the transmission of certain wavelengths of light, specifically those produced by artificial light. The new ultra high contrast UHC filter has improved contrast over the typical broadband filters. Sky background is darker, and contrast of emission nebulae are noticeably improved. The perfect filter for viewing nebula from light polluted skies, or for boosting the contrast of nebula from dark sky sites. In addition to it's optimum spectral and optical characteristics, the UHC filter offers important features that set it apart and result in the highest quality celestial views.

Specifications:
Program type : UHC
Size:1.25"


Package Include:
1x filter
1xsturdy plastic case

Features

  • Boosts contrast in any environment.
  • Significantly reduces light pollution.
  • Standand filter thread for 1.25 eyepieces and other accessories.
  • Metal frame and made of optical glass
  • Provides superb views of the Orion, Lagoon, Swan and other extended nebulae.
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Brand: Gosky   |   Manufacturer: Gosky

Item Dimensions: 0.79 x 3.15 x 3.15 inches (2.0 x 8.0 x 8.0 cm)   |   Package Dimensions: 0.7 x 3.1 x 3.1 inches (1.8 x 7.9 x 7.9 cm)

First Available: 2018-09-05

Amazon Price: $29.99 | as of 10/14/2019(8:31pm pst)
Availibility: Usually ships in 24 hours
List Price: $37.47

Warranty: 1 YEAR

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  #21

Astromania 1.25" Color / Planetary Filter for Telescope - #82A Light Blue

Model: SKU_AM_PF182A   |    Mpn: SKU_AM_PF182A   |    Ean: 6970019292786   |    PartNumber: SKU_AM_PF182A   |   Asin: B01EL6Z4BS

This kind of Filters are made from renowned Schott and Hoya optical glass and allow for maximum contrast on viewing planetary and lunar detail. Individually precision ground, highly polished with maximum light transmission coatings on both sides, these filters are 100% guaranteed for life.

Features

  • Metal filter cell threads directly into the 1.25- inch barrel of your telescope eyepiece.
  • Mounted in a nicely anodized housing.
  • Perfectly neutral color will not alter the natural color of the Moon.
  • Enhances the contrast of the moon and planets in photographic images.
  • Especially useful for large aperture telescopes through which the light of the Moon can be extremely overwhelming.
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Brand: Astromania   |   Manufacturer: Astromania

Item Dimensions: 0.74 x 1.74 x 2.14 inches (1.9 x 4.4 x 5.4 cm)   |   Package Dimensions: 0.6 x 1.6 x 2.1 inches (1.5 x 4.1 x 5.3 cm)

Amazon Price: $15.99 | as of 10/14/2019(8:31pm pst)
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List Price: $15.99

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  #22

SVBONY SV132 H-Beta Filter 25nm 1.25 inches Eyepiece Filter for Horsehead Nebula California and Cocoon Nebulae in Dark Skies

 PartNumber: FW9102A   |   Asin: B07VLQ8QNL

SV132 H-Beta 25nm Filter allows you to visually observe the ever-popular yet elusive Horsehead Nebula with large aperture telescopes under dark skies, and can also be used to image the Horsehead as well as others that emit light at 486nm, such as the California and Cocoon nebulae

SV132 H-Beta Filter is an essential item for those astronomers who enjoy tracking down the most elusive of deep space objects. This is a filter for visual observational use

1.25" threaded
Metal filter cell threaded to fit 1.25" eyepieces and telescope diagonal barrels

Excellent design
Laser-engraved to prevent fadinghh
Each filter comes with a plastic case with high pressure EVA case lining

Specification:
Thin metal cells have a clear aperture of 26mm for 1.25 inch filters
Blocking area: 400-700nm
Transmittance: 80% at 486nm
0.1% transmission Hg at 435nm and 578nm
0.1% transmission Na at 589nm
FWHM: 25 3nm
Thickness: 1.85mm
Surface quality: 60/40 (Refer to MIL-O-13830)
Thread Size: M28.5*0.6
Net Weight: 5.4g /0.19oz
Package Includes:
1 SV132 1.25" H-Beta Filter

Features

  • SV132 H-Beta eyepiece filter makes it possible to view the elusive Horsehead, California, and Cocoon Nebulas in dark skies;Great used with a moderate to large aperture telescope and clear dark skies
  • Optical high precision double side polishing; Filter substrate is fine-optically polished to 1/4 wave and <30 parallelism over both surfaces; Avoid halos
  • Precision double-sided optical coatings improve transmission and cut-off depth; Executes with a transmission of over 90% and completely rejects light pollution
  • High value transmission of pass-band and optical density of off-band is assured through planetary rotation system, a homogenous and precise coating procedure; The high optical quality of SV132 filters guarantees no loss in sharpness or contrast
  • Filter with metal mount 1.25 filter threads; Threaded to fit 1.25 eyepieces and threaded diagonal barrels
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Brand: SVBONY   |   Manufacturer: SVBONY

Item Dimensions: 0.79 x 2.76 x 2.76 inches (2.0 x 7.0 x 7.0 cm)   |   Package Dimensions: 0.79 x 2.76 x 2.76 inches (2.0 x 7.0 x 7.0 cm)

Amazon Price: $55.99 | as of 10/14/2019(8:31pm pst)
Availibility: Usually ships in 24 hours
List Price: $55.99

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  #23

Optolong 2" 10mm Dual Threaded L-Enhance Dual Narrowband Light Pollution Filter (H-Alpha and H-Beta/O-III)

Model: L-eNhance2"   |    Mpn: 727524484955   |    Ean: 0727524484955   |    PartNumber: 727524484955   |   Asin: B07XPV63KZ

This filter is identical to the 1.8mm Optolong L-eNhance filter, with one difference - it is threaded on both sides of the filter, allowing you to thread the filter into the imaging train like an adapter ring or extension tube and connect it to the next component in the train. It is 10mm thick. If using in a filter wheel or filter drawer, ensure that the system can accommodate 10mm filters. The relentless spread of urbanization and its associated light pollution have become a growing problem for all amateurs and astro photographers. The current solutions to the problem can be expensive and might include the purchase of a monochrome camera, several types of narrowband filters and a filter wheel. L-eNhance provides an economical and practical solution for amateurs. It is a dual band-pass narrowband filter which has been designed for DSLR (digital SLR), color CMOS and CCD Astrophotography Cameras. The convenience and cost effectiveness of this filter allows amateurs to image a rich selection of astronomical images, even in bright, heavily light-polluted areas. Optolong believes the design of our L-eNhance filter is a technical innovation among filters. It effectively isolates the H-Alpha, H-Beta, and Oxygen III nebula emission lines and achieves a maximum transmission of up to 90%. The performance of this filter delivers images that superbly control the impact from light polluted skies. According to the characteristics of celestial body emission lines and the light pollution spectrum, Optolong specially designed and optimized dual-band L-eNhance filter in order to retain the prominent color of nebula RGB while blocking out most of light pollution. Substrate: B270 Thickness: 1.85mm Tpeak: T>90% Blocking range: 300-1000nm Blocking depth: Light pollution line blocking >99% Surface quality: 60/40 Transmitted Wavefront RMS: /4 Parallelism (arcsec): 30s

Features

  • Excellent Light Pollution Suppression. Threaded on both sides of the filter
  • Image in Urban Areas and Under Moonlight
  • Take One-Shot Color Images with Superior Color Fidelity
  • Narrowband Filtering Passes Hydrogen-Alpha, Hydrogen-Beta and Oxygen-III
  • DUAL THREADED: Can be Used Threaded to 2 Camera Nose Piece/Adapter Rings etc, and with Filter Drawer or Filter Wheels Supporting 10mm 2 Filters
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Brand: Optolong   |   Manufacturer: Optolong

Package Dimensions: 0.71 x 2.99 x 3.23 inches (1.8 x 7.6 x 8.2 cm)

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  #24

Optolong L-Pro Full-Frame DSLR Clip Filter (Canon EOS-FF)

Model: LPro-Canon-FF   |    Mpn: 124-3934   |    Ean: 6971991891240   |    PartNumber: 124-3934   |   Asin: B07MCDPX7C

Optolong L-Pro (L-Professional) is a multi-bandpass filter which selectively suppresses the transmission of light pollution lines. For example, mercury vapor lamps, high and low pressure sodium vapor lights and skyglow caused by emission from neutral oxygen in our atmosphere. L-Pro enhances the transmission of major emissions from nebula while offering great color balance with its wide yet effective light pollution cutting transmission band. The balanced transmission allows objects with wide emission spectrum such as galaxies to be imaged with minimal color cast (easier to correct in post-processing). Among the emission lines enhanced are OIII (496, 500nm), H-beta (486nm), NII (654, 658nm), H-alpha (656nm) and SII (672nm). Available in 2", 1.25" and selected DSLR camera sizes. Features 90% transmission at major nebula emission lines Multi-layers anti-reflection coating Precise and sharp roll-off at light pollutant lines 2 mm filter thickness (1.25", 2" and 77mm) | 1mm (clip series) Made on Schott substrate Finely polished to 1/4 wave accuracy Surface quality: 60/40 (MIL-O-13830 standard) Best Uses Monochrome & one-shot-color CCD/CMOS camera Deep sky color imaging, particularly reflective nebula and galaxies

Features

  • Dramatically Reduces Light Pollution Impact
  • Rejects Mercury and Sodium Light While Increasing Contract
  • Excellent for Reflection Nebulae and Galaxies
  • Use with Monochrome or One-Shot Color Cameras
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Brand: Optolong   |   Manufacturer: Optolong

Package Dimensions: 0.83 x 2.99 x 3.62 inches (2.1 x 7.6 x 9.2 cm)

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  #25

SVBONY SV128 Polarizing Filter for Astronomic Telescope Eyepiece 2 inches Variable Polarizer Lens Filter for Viewing The Moon and Planets

 PartNumber: FF9147B   |   Asin: B07VWL4219

Application:
SV128 Variable polarizing filter Suitable for 2 inch Telescope Eyepieces

Using:
Reducing the amount of light entering the eyepiece increases the contrast between the moon and the star, allowing you to see more details about the moon and the stars

Features:
SV128 2 inch variable Polarizing filter acts like a dimmer switch for your telescope.
Adjust the amount of light transmission from 1% to 40% by rotating the filter housing.
Reduces brightness of the Moon or planets for great clear viewing.

note:
The filters of SVBONY are not designed for sun observation. Do not look at the sun with SVBONY filter. You would be blind if you fail to observe the warning.

Specifications:
Type: Variable Polarizing Filter
Material: Optical glass lens + Aluminum Frame
Shape: Round
Barrel diameter: 2''
Thread Standard: M48*0.75
Weight: 28g / 0.99oz

Package Includes:
1 SV128 2" Variable Polarizing Filter
1 Sturdy Plastic Case

Features

  • SV128 polarizing filter will fit all standard sized 2" eyepieces and accessories; Used for viewing the Moon and Planets
  • SV128 polarizing filter consists of two polarizing filters; One can be rotated in its cell to adjust the brightness; finer control of the image brightness compared to a standard fixed-transmission telescope filter for optimal performance
  • Progressively dim the view when observing a bright object; Such as the moon or certain planets; Rotating cell allows you to adjust the amount of light transmission from 1% to 40%
  • SV128 2 inch variable polarizing filter acts like a dimmer switch for your telescope; You can reduces brightness of the Moon or planets for great clear viewing
  • Made of HD optical glass; Good level of transmittance; Premium quality metal rim and optics glass lens; sturdy plastic case included for better tightness;avoiding fall or loose
  • See more on Amazon...

Brand: SVBONY   |   Manufacturer: SVBONY

Item Dimensions: 0.79 x 3.15 x 3.15 inches (2.0 x 8.0 x 8.0 cm)   |   Package Dimensions: 0.79 x 3.15 x 3.15 inches (2.0 x 8.0 x 8.0 cm)

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  #26

Optolong 1.25" L-Enhance Dual Narrowband Light Pollution Filter (H-Alpha and H-Beta/O-III)

Model: L-eNhance-1.25   |    Mpn: 6971991891219   |    Ean: 6971991896016   |    PartNumber: 6971991891219   |   Asin: B07SV549X7

The relentless spread of urbanization and its associated light pollution have become a growing problem for all amateurs and astro photographers. The current solutions to the problem can be expensive and might include the purchase of a monochrome camera, several types of narrowband filters and a filter wheel. L-eNhance provides an economical and practical solution for amateurs. It is a dual band-pass narrowband filter which has been designed for DSLR (digital SLR), color CMOS and CCD Astrophotography Cameras. The convenience and cost effectiveness of this filter allows amateurs to image a rich selection of astronomical images, even in bright, heavily light-polluted areas. Optolong believes the design of our L-eNhance filter is a technical innovation among filters. It effectively isolates the H-Alpha, H-Beta, and Oxygen III nebula emission lines and achieves a maximum transmission of up to 90%. The performance of this filter delivers images that superbly control the impact from light polluted skies. According to the characteristics of celestial body emission lines and the light pollution spectrum, Optolong specially designed and optimized dual-band L-eNhance filter in order to retain the prominent color of nebula RGB while blocking out most of light pollution. The Optolong L-eNhance filters have threads on one side - they can be used with filter wheels, filter drawers, focusers with a place to thread focal reducers internally (such as some Moonlite focusers) and camera nose pieces that fit into compression rings but the filter should not be threaded into the imaging train like an adapter ring with threads on both sides. Substrate: B270 Thickness: 1.85mm Tpeak: T>90% Blocking range: 300-1000nm Blocking depth: Light pollution line blocking >99% Surface quality: 60/40 Transmitted Wavefront RMS: /4 Parallelism (arcsec): 30s

Features

  • Excellent Light Pollution Suppression
  • Image in Urban Areas and Under Moonlight
  • Take One-Shot Color Images with Superior Color Fidelity
  • Narrowband Filtering Passes Hydrogen-Alpha, Hydrogen-Beta and Oxygen-III
  • Can be Used with Filter Wheel, Filter Drawer or Camera Nose Piece
  • See more on Amazon...

Brand: Optolong   |   Manufacturer: Optolong

Package Dimensions: 0.71 x 2.99 x 2.99 inches (1.8 x 7.6 x 7.6 cm)

Amazon Price: $179.99 | as of 10/14/2019(8:31pm pst)
Availibility: Usually ships in 24 hours
List Price: $179.99

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  #27

1.25" Astronomy Telescope Color Filter for Moon Lunar Planet Nebula Orange

 Ean: 0800265379176   |    PartNumber: 135e58f2b1c2f42649c15b0e457e814a   |   Asin: B07VLBLQYJ

Description:

- 1.25" Telescope Eyepiece Color Filter.
- Perfect for enhanced views of the moon and brighter planets.
- Screws on standard 1.25" astronomy telescope eyepiece.
- Prevents dazzling, reduces eye strain and improves contrast and surface detail of object and sky.
- High quality glass with metal frame.

Specification:

- Material Metal
- Size 30mm/1.18 inch

Package Includes:

1x Telescope Color Filter

Features

  • 1.25" Telescope Eyepiece Color Filter.
  • Perfect for enhanced views of the moon and brighter planets.
  • Screws on standard 1.25 astronomy telescope eyepiece.
  • Prevents dazzling, reduces eye strain and improves contrast and surface detail of object and sky.
  • High quality glass with metal frame.
  • See more on Amazon...

Brand: Gazechimp   |   Manufacturer: gazechimp

Amazon Price: $3.38 | as of 10/14/2019(8:31pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $3.38

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  #28

Optolong 2" UHC Light Pollution Filter

Model: UHC2"   |    Mpn: 6971991891028   |    Ean: 6971991891028   |    PartNumber: 6971991891028   |   Asin: B07MC8Y9GK

The UHC (Ultra-High Contrast) broadband filter is designed to improve the visibility of various deep-sky objects. By selectively reducing the transmission of wavelengths of light pollutants, specifically those produced by artificial lighting such as mercury vapor lamps, both high & low pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere (skyglow). The filter is highly transparent in the main nebula emission lines at OIII (496nm and 500nm), H-beta (486nm), NII (654nm and 658nm), H-alpha (656nm) as well as SII (672nm). The filter is suitable for enhancing the contrast and details for both visual and photographic purpose in suburban and rural areas with heavy light pollution. Suitable for color CCD cameras and unmodified DSLRs that accept 1.25" filters. With narrower bandpass transmission gaps, this filter provides higher contrast than CLS filters. The UHC filter has a substantial red bandpass and offers superb views of objects like the Orion Nebula (M42) Light pollution filters do not eliminate the effects of light pollution or increase the object's brightness. In many cases, they increase the contrast between nebula and night sky, not brightening the nebula.

Features

  • Cost Effective Light Pollution
  • Rejects Mercury and Sodium Light While Increasing Contract
  • High Transmission of OIII (496nm and 500nm), H-beta (486nm), NII (654nm and 658nm), H-alpha (656nm) as well as SII (672nm)
  • See more on Amazon...

Brand: Optolong   |   Manufacturer: Optolong

Package Dimensions: 0.79 x 2.95 x 2.95 inches (2.0 x 7.5 x 7.5 cm)

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  #29

Celestron 94119-10 1.25 " Eyepiece Filter Set (Renewed)

 Ean: 0760575715463   |    PartNumber: 94119-10-cr   |   Asin: B07X7JG8PF

Features

  • Filter set includes #12 Deep Yellow, #21 Orange, #80A Blue and #ND-96-0.3 Neutral Density Filter, 50% transmission
  • Perfect for lunar and planetary observation
  • Reduce glare and light scattering
  • High-quality, solid plane parallel glass
  • Stackable filters for various combinations
  • See more on Amazon...

Brand: Celestron   |   Manufacturer: Celestron

Item Dimensions: 0.88 x 3.88 x 3.88 inches (2.2 x 9.9 x 9.9 cm)   |   Package Dimensions: 0.8 x 3.8 x 3.9 inches (2.0 x 9.7 x 9.9 cm)

Warranty: 90 days limited warranty

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  #30

Optolong L-Pro 1.25" Mounted Round Filter

Model: L-Pro-1.25   |    Mpn: 10201   |    Ean: 6971991891219   |    PartNumber: 10201   |   Asin: B07MSHVFML

Optolong L-Pro (L-Professional) is a multi-bandpass filter which selectively suppresses the transmission of light pollution lines. For example, mercury vapor lamps, high and low pressure sodium vapor lights and skyglow caused by emission from neutral oxygen in our atmosphere. L-Pro enhances the transmission of major emissions from nebula while offering great color balance with its wide yet effective light pollution cutting transmission band. The balanced transmission allows objects with wide emission spectrum such as galaxies to be imaged with minimal color cast (easier to correct in post-processing). Among the emission lines enhanced are OIII (496, 500nm), H-beta (486nm), NII (654, 658nm), H-alpha (656nm) and SII (672nm). Available in 2", 1.25" and selected DSLR camera sizes. Features 90% transmission at major nebula emission lines Multi-layers anti-reflection coating Precise and sharp roll-off at light pollutant lines 2 mm filter thickness (1.25", 2" and 77mm) | 1mm (clip series) Made on Schott substrate Finely polished to 1/4 wave accuracy Surface quality: 60/40 (MIL-O-13830 standard) Best Uses Monochrome & one-shot-color CCD/CMOS camera Deep sky color imaging, particularly reflective nebula and galaxies

Features

  • Dramatically Reduces Light Pollution Impact
  • Rejects Mercury and Sodium Light While Increasing Contract
  • Excellent for Reflection Nebulae and Galaxies
  • Use with Monochrome or One-Shot Color Cameras
  • See more on Amazon...

Brand: Optolong   |   Manufacturer: Optolong

Package Dimensions: 0.75 x 2.95 x 3.07 inches (1.9 x 7.5 x 7.8 cm)

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