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Best Telescope Filters - Buying Guide

Last Updated: 01/18/2019

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

Amazon Price: $16.99 | as of 01/18/2019(5:11pm pst)
Availibility: Usually ships in 24 hours
List Price: $19.99 | Used Price: $17.65

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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: 1.53 x 1.53 x 2.8 inches (3.9 x 3.9 x 7.1 cm)

Amazon Price: $9.49 | as of 01/18/2019(5:11pm pst)
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List Price: $13.95 | Used Price: $6.18

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  #3

Neewer 1.25 inches 13 Percent Transmission Neutral Density Moon Filter, Aluminum Frame Plastic Thread Optical Glass Telescope Eyepiece Filter Helping Reduce Overall Brightness and Irradiation (Black)

Model: 10085385   |    Mpn: 10085385   |    Ean: 0191073004962   |    PartNumber: 10085385   |   Asin: B01NA9G736

Note: Telescope is not included

Descriptions:

The Moon is intensely bright with reflected sunlight.

The Moon Filter reduces the glare, allowing transmission of only 13 percent of the reflected light, which means you can see the surface more clearly and study the Moon in greater comfort.

The moon filter can progressively dim the view when observing a bright object, such as the Moon or certain planets for telescopes and eyepieces.

Transmits 13 percent of the incoming light to your eyes.

Optical glass moon filter designed to reduce the amount of light entering your eyepiece.

It can filter the light from a certain direction and increase imaging contrast.

The filter will fit all standard sized 2" eyepieces and accessories.

Can also be used for daytime terrestrial use for reducing sunlight glare from lakes oceans or window glass.

Package Content:

1 x 13 Percent Transmission Moon Filter

Features

  • Premium Material: Aluminum frame, plastic thread and optical glass, durable and no damage to your lens
  • Transmits only 13 percent of the incoming light, boosting contrast and ability to discern detail on the Moon
  • Helps reducing overall brightness without altering color, so that not only will more surface features and details pop out, but also you can study them in greater comfort
  • Helps conserve dark-adapted vision while viewing the lunar surface
  • Helps reduce irradiation, which is the distortion at the boundary between light and dark areas, such as along the lunar terminator
  • See more on Amazon...

Brand: Neewer   |   Manufacturer: Neewer

Item Dimensions: 0.7 x 4.5 x 4.6 inches (1.8 x 11.4 x 11.7 cm)   |   Package Dimensions: 1 x 3.8 x 5 inches (2.5 x 9.7 x 12.7 cm)

Amazon Price: $17.99 | as of 01/18/2019(5:11pm pst)
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List Price: $17.99

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  #4

Meade Series 4000 Filter: ND96

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: $16.10 | as of 01/18/2019(5:11pm pst)
Availibility: Usually ships in 24 hours
List Price: $17.99

Warranty: Comes with a 1-year limited warranty

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  #5

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.
  • See more on Amazon...

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 01/18/2019(5:11pm pst)
Availibility: Usually ships in 24 hours
List Price: $19.99

Warranty: 1 Year

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  #6

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

Package Dimensions: 2.05 x 6.18 x 8.31 inches (5.2 x 15.7 x 21.1 cm)

Amazon Price: $31.99 | as of 01/18/2019(5:11pm pst)
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List Price: $31.99

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  #7

Neewer 1.25 inches 25 Percent Transmission Neutral Density Moon Filter, Aluminum Frame Metal Thread Optical Glass Telescope Eyepiece Filter Helping Reduce Overall Brightness and Irradiation (Black)

Model: 10089238   |    Mpn: 10089238   |    Ean: 0191073006645   |    PartNumber: 10089238   |   Asin: B01N6JFIIL

Note: The telescope and tripod are NOT included.

Description:

Neewer 1.25 inches 25 Percent Transmission Neutral Density Moon Filter is specially designed to help you enjoy the beauty moon surfaces at night.

It is made of aluminum frame, metal thread and optical glass, which is durable and does no damage to your lens.

The 1.25 inches 25 percent Transmission Moon Filter reduces glare so you can see more lunar detail and surface features with your telescope.

Telescope eyepiece filter transmits only 25 percent of the incoming light, boosting contrast and ability to discern detail on the Moon. It provides a brighter view than the 13 percent Moon filter by blocking less light; Ideal for use with smaller telescopes.

This inexpensive accessory threads directly into a 1.25 inches eyepiece barrel and blocks 75 percent of the light gathered by the telescope, making for more comfortable lunar views exhibiting higher contrast.

The Moon Filter helps reducing overall brightness without altering color, so that not only will more surface features and details pop out, but you can study them in greater comfort.

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.

Perfectly neutral color will not alter the natural color of the Moon.

Specification:

Size: 1.25 inches

Material: Aluminum Frame, Metal Thread and Optical Glass

Transmission: 25 percent transmission

Package Content:

1x 1.25 inches Moon Filter

Features

  • Premium Material: Aluminum frame, metal thread and optical glass, durable and no damage to your lens
  • Transmits 25 percent of the incoming light, boosting contrast and ability to discern detail on the Moon; Provides a brighter view than the 13 percent Moon filter by blocking less light; Ideal for use with smaller telescopes
  • Helps reducing overall brightness without altering color, so that not only will more surface features and details pop out, but also you can study them in greater comfort
  • Helps conserve dark-adapted vision while viewing the lunar surface; Increases contrast during waning and waxing crescent phases
  • Helps reduce irradiation, which is the distortion at the boundary between light and dark areas, such as along the lunar terminator
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Brand: Neewer   |   Manufacturer: Neewer

Item Dimensions: 0.8 x 4.4 x 7.5 inches (2.0 x 11.2 x 19.1 cm)   |   Package Dimensions: 0.7 x 4.4 x 5.3 inches (1.8 x 11.2 x 13.5 cm)

Amazon Price: $13.59 | as of 01/18/2019(5:11pm pst)
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List Price: $13.59

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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: $25.49 | as of 01/18/2019(5:11pm pst)
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List Price: $29.99

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  #9

ICE 1.25" Variable Polarizing Eyepiece Moon Filter for Telescope Polarizer

Model: 4331908662   |    Mpn: 799600853412   |    Ean: 0799600853412   |    PartNumber: 799600853412   |   Asin: B0143M8BFQ

Reduces brightness of the Moon or planets. Reduces brightness, glare & reflections and 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%. Great for daylight, especially on sunny days. Fits any telescope with a 1.25" eyepiece, including Celestron, Orion, Meade etc. Storage case included.

Features

  • Rotates to give a variable light reduction rate from 1% to 40%
  • Color neutral. No Color cast.
  • Great for daylight, cuts reflection off windows & reduces glare.
  • Reduces brightness of the Moon or planets.
  • Storage case included.
  • See more on Amazon...

Brand: Ice   |   Manufacturer: Desmond

Item Dimensions: 1.5 x 1.5 x 1.5 inches (3.8 x 3.8 x 3.8 cm)   |   Package Dimensions: 0.5 x 3.5 x 3.5 inches (1.3 x 8.9 x 8.9 cm)

Amazon Price: $17.95 | as of 01/18/2019(5:11pm pst)
Availibility: Usually ships in 24 hours
List Price: $17.95

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  #10

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: $244.49 | as of 01/18/2019(5:11pm pst)
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List Price: $244.95 | Used Price: $212.15

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  #11

Orion 5561 2-Inch SkyGlow Astrophotography Filter

Model: 5561   |    Mpn: 5561   |    Ean: 0759270055615   |    PartNumber: 5561   |   Asin: B001DGNP4S

Introducing a must-have filter for any astrophotographer that doesn't happen to live on Mauna Kea. With the SkyGlow Imaging filter you can take incredible deep-sky images under light-polluted skies with your CCD or DSLR camera. That's because we custom designed the filter to selectively block the specific wavelengths of light associated with urban sky glow, letting the light emitted from deep-sky objects shine through. You'll see a marked increase in image contrast for all types of deep sky objects, even faint galaxies, which typically are suppressed through visual light pollution filters. By blocking up to 99 percent transmission of the offending wavelengths, the SkyGlow Imaging filter enables longer exposure times without background saturation. Because the white light spectrum remains largely intact, the color balance of the image is not affected, eliminating the need for corrective processing later. The improvement in contrast achieved with the SkyGlow Imaging filter is remarkable. Just look at the adjacent filtered and unfiltered actual image examples. With this filter you can take long-exposure photographs faint galaxies, nebulas, and star clusters from a light-polluted city, or from a suburban back yard brightened by a nearby street lamp. Your images will turn out better than you ever thought possible. Don't let light pollution spoil your deep-sky images! Get a SkyGlow Imaging filter today and enjoy vivid, high-contrast shots - from anywhere!

Features

  • Use this specially designed 2" astrophotography filter for deep-sky imaging from areas suffering from light pollution
  • Lets you capture astrophotographs in light polluted skies with CCD or DSLR cameras by blocking up to 99% transmission of specific wavelengths responsible for light pollution while passing through vital light wavelengths for pleasing images
  • Enhances contrast of all types of deep-sky objects: galaxies, nebulas, and star clusters
  • Filter with metal filter cell preserves neutral color balance, eliminating need for corrective color processing later
  • Enables longer astrophotography exposure times without background saturation due to sky glow pollution
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Brand: Orion   |   Manufacturer: Orion

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

Amazon Price: $135.99 | as of 01/18/2019(5:11pm pst)
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List Price: $159.99 | Used Price: $94.91

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  #12

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.
  • ISO compliant solar safe film protects your eyes when viewing the sun, unlike some other filters on the market
  • Solar film produced in the USA by American Paper Optics, one of the suppliers recommended by NASA for safe solar viewing
  • 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: 2.01 x 9.76 x 9.88 inches (5.1 x 24.8 x 25.1 cm)

Amazon Price: $44.99 | as of 01/18/2019(5:11pm pst)
Availibility: Usually ships in 24 hours
List Price: $65.95

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  #13

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

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: Too low to display | as of 01/18/2019(5:11pm pst)
Availibility: Usually ships in 24 hours
List Price: $79.99 | Used Price: $44.26

Warranty: Comes with a 1-year limited warranty

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  #14

Orion 05598 1.25-Inch 25 Percent Transmission Moon Filter (Black)

Model: 5598   |    Mpn: 5598   |    Ean: 7387809102580   |    PartNumber: 5598   |   Asin: B00E3QH62W

Useful telescope eyepiece filter transmits 25 percent of incoming light. Ideal for viewing crescent Moon phases and for lunar viewing in smaller-aperture telescopes, for which less dimming is required. 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, riles, mountains, and valleys. The considerable brightness also reduces contrast on our nearest neighbor in the solar system. When the Moon is in its crescent phase, it does not produce as much glare as when it is full or waxing, but filtration is still recommended to achieve optimal view quality. When looking at the Moon in relatively small (60mm-80mm) telescopes, the brightness is not as distracting as in larger telescopes, but some filtration is required to get the best observations. To improve contrast and tone down glare easily in these situations, we recommend using a neutral-density 1.25 inch Orion 25 percent Transmission Moon Filter. This inexpensive accessory threads directly into a 1.25 inch eyepiece barrel and blocks 75 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 25 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.

Features

  • A specialty Moon filter especially useful for increasing contrast during waning and waxing crescent phases
  • Allows transmission of 25 percent of incoming light
  • Reduces bright glare reflected off the Moon and boosts contrast and resolution of lunar surface features
  • Metal filter cell threads directly into Orion 1.25 inch telescope eyepiece barrels
  • Provides a brighter view than the 13 percent Moon filter by blocking less light - ideal for use with smaller telescopes
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Brand: Orion   |   Manufacturer: Optronic Technologies, Inc

Item Dimensions: 2 x 0.25 x 2 inches (5.1 x 0.6 x 5.1 cm)   |   Package Dimensions: 0.9 x 3.2 x 3.5 inches (2.3 x 8.1 x 8.9 cm)

Amazon Price: $19.54 | as of 01/18/2019(5:11pm pst)
Availibility: Usually ships in 24 hours
List Price: $20.59 | Used Price: $12.95

Warranty: Limited Warranty against defects in materials or workmanship for one year from date of purchase

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  #15

Neewer Pro 1.25 inch 13 Percent Transmission Neutral Density Moon Filter, Aluminum Frame Optical Glass Telescope Eyepiece Filter Helping Reduce Overall Brightness and Irradiation (Black)

Model: 10093136   |    Mpn: 10093136   |    PartNumber: 10093136   |   Asin: B07CXSTPP3

NOTE: Telescope is NOT included. Description: To improve contrast and tone down glare easily, we recommend using a Neewer neutral-density 1.25 inch 13 percent Transmission Moon Filter. It can thread directly into a 1.25 inch eyepiece barrel and block 87 percent of the light gathered by the telescope, gives you more comfortable lunar views exhibiting higher contrast. This Moon filter reducing overall brightness without altering its color. It helps conserve dark-adapted vision while viewing the lunar surface, especially when using big telescopes with 6 inches of aperture or even larger ones. Specifications: Color: Black Size: 1.25 inches Transmission: 13 percent Material: Aluminum Frame + Optical Glass Package Contents: 1 x 1.25-inch 13 Percent Transmission Moon Filter

Features

  • FUNCTIONAL: Helps to reduce glare so that you can see more details and surface features of the Moon with your telescope
  • HIGH CONTRAST: Telescope eyepiece filter transmits only 13 percent of the incoming light, boosting contrast to discern detail on the Moon
  • EASY TO USE: Metal filter cell threads directly into the 1.25 inch barrel of your telescope eyepiece; Made of Aluminum frame and optical glass, durable and no damage to your lens
  • COMFORTABLE: Helps reducing overall brightness without altering color, so that not only will more surface features and details pop out, but also you can study them in greater comfort
  • IRRADIATION REDUCTION: Helps reduce irradiation, which is the distortion at the boundary between light and dark areas, such as along the lunar terminator; Helps conserve dark-adapted vision while viewing the lunar surface
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Brand: Neewer   |   Manufacturer: Neewer

Package Dimensions: 0.79 x 5.12 x 5.91 inches (2.0 x 13.0 x 15.0 cm)

Amazon Price: $12.99 | as of 01/18/2019(5:11pm pst)
Availibility: Usually ships in 24 hours
List Price: $12.99

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  #16

1.25 Inch Moon & SkyGlow Filter Light Pollution Filter for Telescope Eyepiece Lens

 Ean: 0634759543794   |    PartNumber: ST22   |   Asin: B07K7CPJGR


1.25 Inch Moon & Sky-Glow Filter Light Pollution Filter for Telescope Eyepiece Lens

The 1.25 inch moon & skyglow is a multi-bandpass filter transmitting a high percentage of light in the visual spectrum. The filter enhances contrast when observing brighter objects including the moon and planets.
It also will suppress sky glow from artificial lighting and background glow reflected when the Moon is up. The filter has a mild effect of darkening the background of the night sky so that the fainter objects are more clearly seen contrasted against the blackness of space.
The filter will fit all standard sized 1.25" eyepieces and accessories. It is mounted in a nicely anodized housing and is threaded on both sides for stacking with other filters if necessary.
The filter effectively filters out selective wavelengths of low-pressure sodium and other man-made sources typically used in street lighting.
It enhances the views of deep-sky objects by increasing the contrast of these objects against the background sky.
While nebula filters transmit only a few select wavelengths corresponding to various atomic lines, this filter transmits a large portion of the continuous spectrum while blocking a few select lines of the more common man-made light.
Neodymium provides a unique, selective, blocking feature in that this element greatly reduces glare without reducing important colour and brightness variations.

Features

  • A high quality eyepiece filter for reducing the brightness of the moon and improving contrast and surface detail.
  • This can be useful when viewing the sky in areas where there is a lot of light pollution.
  • High quality glass with metal frame
  • Simply screws on to any standard 1.25 eyepiece .Premium 1.25 Skyglow and moon filter for telescope eyepieces
  • All Study Aluminum Construction and Optical glass filter lens. Standard filter threads on both sides. So you can mount other filters together when using this filter.
  • See more on Amazon...

Brand: Southstar   |   Manufacturer: Southstar

Package Dimensions: 0.79 x 3.15 x 4.72 inches (2.0 x 8.0 x 12.0 cm)

Amazon Price: $14.99 | as of 01/18/2019(5:11pm pst)
Availibility:
List Price: $14.99

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  #17

2 Inch Variable Polarizing Filter for Telescope and Eyepieces for Diming The View, Increasing Contrast and Detail, Reducing Glare

 Ean: 0634759543770   |    PartNumber: ST20   |   Asin: B07K74NT65


2 Inch Variable Polarizing Filter for Telescope and Eyepieces for Diming the View, Increasing Contrast and Detail, Reducing Glare

The 2 inch variable polarising filter is a high quality anodized aluminium, optical glass variable polarising filter designed to reduce the amount of light entering your eyepiece.
It can help dim the view progressively 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%. The filter will not change the colour of the object being viewed and will prevent eye fatigue and loss of night vision. Each filter set consists of two polarizing filters, one which can be rotated in its cell to adjust the brightness.
The filters used as single elements, can also be used for daytime terrestrial use for reducing sunlight glare from lakes oceans or window glass.
Package Contents:
1 Pair X Variable Polarizing Filter 1 Pair X Sturdy plastic case

Features

  • The filter will fit all standard sized 2" eyepieces and accessories.
  • 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%
  • Ach filter set consists of two polarizing filters, one which can be rotated in its cell to adjust the brightness
  • The filter is a high quality anodized aluminium, optical glass variable polarising filter designed to reduce the amount of light entering your eyepiece
  • Made of HD optical glass; Good level of transmittance; Aluminum alloy frame sealing ring for better tightness, avoiding fall or loose
  • See more on Amazon...

Brand: Southstar   |   Manufacturer: Southstar

Package Dimensions: 0.59 x 3.15 x 3.94 inches (1.5 x 8.0 x 10.0 cm)

Amazon Price: $32.99 | as of 01/18/2019(5:11pm pst)
Availibility:
List Price: $32.99

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  #18

7PCS 1.25 Inch Color Filters Set for Telescope Eyepiece for Enhancing Definition and Resolution in Lunar Planetary Observation

 Ean: 0634759543817   |    PartNumber: ST24   |   Asin: B07K7BG3RH


The set includes 1 Crystalview Moon Filter, 1 Polarizing Filter #3, 5 planetary filters: No.56 Green, No.12 Yellow, No 23A Red, No.21 Orange and No.82A Blue.

Crystalview Moon Filter
It enhances lunar planetary views and eliminate thestreet light smog.

Polarizing Filter #3
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 Crystalview Moon Filter
1 x Polarizing Filter #3
5 x Color Filters(Red, Orange, Yellow, Green, Blue)

Features

  • 7pcs 1.25 inch filters for telescopes in a set. Include 1 Crystalview Moon Filter, 1 Polarizing Filter #3, 5 planetary filters: No.56 Green, No.12 Yellow, No 23A Red, No.21 Orange and No.82A Blue.
  • Crystalview Moon Filter is used for enhancing Lunar Planetary Views and eliminating the Street Light Smog.
  • Polarizing Filter #3 is used for enhancing the contrast of the moon and planets in photographic images.
  • 5 color planetary filters:includes Red, Orange, Yellow, Green, Blue. Red. These highlight features on Mars, Jupiter, and Saturn.They are an essential tool of the lunar and planetary observer, for filters permit the observation and photography of surface detail that is often virtually invisible without filtration.
  • All filters has M28.5x0.6 1.25inch standand filter thread on both sides. With Metal Frame and Optical Glass.
  • See more on Amazon...

Brand: Southstar   |   Manufacturer: Southstar

Package Dimensions: 1.81 x 2.87 x 6.26 inches (4.6 x 7.3 x 15.9 cm)

Amazon Price: $38.99 | as of 01/18/2019(5:11pm pst)
Availibility: Usually ships in 24 hours
List Price: $38.99

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  #19

1.25 Inch Variable Polarizing Filter for Telescope and Eyepieces for Diming The View, Increasing Contrast and Detail, Reducing Glare

 Ean: 0634759543763   |    PartNumber: ST19   |   Asin: B07K749T1X


1.25 Inch Variable Polarizing Filter for Telescope and Eyepieces for Diming the View, Increasing Contrast and Detail, Reducing Glare

The 1.25 inch variable polarising filter is a high quality anodized aluminium, optical glass variable polarising filter designed to reduce the amount of light entering your eyepiece.
It can help dim the view progressively 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%. The filter will not change the colour of the object being viewed and will prevent eye fatigue and loss of night vision. Each filter set consists of two polarizing filters, one which can be rotated in its cell to adjust the brightness.
The filters used as single elements, can also be used for daytime terrestrial use for reducing sunlight glare from lakes oceans or window glass.
Package Contents:
1 Pair X Variable Polarizing Filter 1 Pair X Sturdy plastic case

Features

  • Each filter set consists of two polarizing filters, one which can be rotated in its cell to adjust the brightness
  • The filter will fit all standard sized 1.25 eyepieces and accessories.
  • 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%
  • The filter is a high quality anodized aluminium, optical glass variable polarising filter designed to reduce the amount of light entering your eyepiece
  • Made of HD optical glass; Good level of transmittance; Aluminum alloy frame sealing ring for better tightness, avoiding fall or loose
  • See more on Amazon...

Brand: Southstar   |   Manufacturer: Southstar

Package Dimensions: 1.26 x 4.06 x 5.24 inches (3.2 x 10.3 x 13.3 cm)

Amazon Price: $18.99 | as of 01/18/2019(5:11pm pst)
Availibility: Usually ships in 24 hours
List Price: $18.99

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  #20

Meade Day and Night - EclipseView 76mm Reflecting Telescope with Removable Filter (227003)

Model: 227003   |    Mpn: 227003   |    Ean: 0709942998474   |    PartNumber: 227003   |   Asin: B071RCMQDK

The EclipseView 76mm reflecting telescope comes complete with everything you need to view the wonders of the sky, DAY & NIGHT. This telescope features an altazimuth mount that allows for easy & quick viewing and a removable white-light solar filter making it perfect for viewing Solar Eclipses.

Features

  • For use both day and night!
  • 76mm (3) reflecting telescope comes with a removable white-light Solar filter, 2 eyepieces for viewing a wide range of objects, and easy to use viewfinders for day-time and night-time use!
  • Features an altazimuth mount with slow motion control rod for tracking celestial objects as they move across the night Sky.
  • Bonus Autostar Suite Astronomy planetarium DVD with over 10,000 celestial objects (Windows PC only).
  • CE & ISO Certified for Safe Viewing.
  • See more on Amazon...

Brand: Meade Instruments   |   Manufacturer: Meade

Item Dimensions: 32.4 x 7.7 x 13.4 inches (82.3 x 19.6 x 34.0 cm)   |   Package Dimensions: 9.02 x 14.02 x 32.99 inches (22.9 x 35.6 x 83.8 cm)

First Available: 2018-12-10

Amazon Price: $115.00 | as of 01/18/2019(5:11pm pst)
Availibility: Usually ships in 24 hours
List Price: $129.99

Warranty: Comes with a 1-year limited warranty

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  #21

Meade Day and Night - EclipseView 114mm Reflecting Telescope with Removable Filter (227001)

Model: 227001   |    Mpn: 227001   |    Ean: 0709942998450   |    PartNumber: 227001   |   Asin: B06ZY6S8WX

The EclipseView 114mm 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 & Night-time Viewing.

Features

  • Removable white-light Solar filter for use both day & night!
  • Parabolic Newtonian Reflector with a large 114mm (4.5-Inch) aperture for a great view of planets, nebulae, and the sun!
  • Lightweight (10.8 lbs.) and compact with a removable 450mm (f/3.95) optical tube for portability
  • Comes with 26mm and 9mm eyepieces for low and high magnifications
  • 360 swivel mount and a simple point-and-look design for easy use. CE & ISO Certified for Safe Viewing.
  • See more on Amazon...

Brand: Meade Instruments   |   Manufacturer: Meade

Item Dimensions: 24 x 12.25 x 12.25 inches (61.0 x 31.1 x 31.1 cm)   |   Package Dimensions: 13.5 x 14.88 x 24.21 inches (34.3 x 37.8 x 61.5 cm)

First Available: 2018-12-10

Amazon Price: $139.95 | as of 01/18/2019(5:11pm pst)
Availibility: Usually ships in 24 hours
List Price: $189.99

Warranty: Comes with a 1-year limited warranty

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  #22

2" CLS Light Pollution Reduction Filter for Observations of Deep-Sky Objects- The Orion, Lagoon, Swan and Other Extended Nebulae

 Ean: 0634759543701   |    PartNumber: ST13   |   Asin: B07K654WY7


2" CLS Light Pollution Reduction Filter for Observations of Deep-Sky Objects- the Orion, Lagoon, Swan and Other Extended Nebulae

The 2" CLS filter is unbeatable for revealing nebulosity.For get superb views of the Orion, Lagoon, Swan and other extended nebulae.
The strictest quality control standards are employed throughout the production process.
The way an CLS filter works is very simple. It filters out the brightening of the sky due to artificial light. As many celestial objects, such as nebulae, radiate at other wavelengths, a considerable increase in contrast can be achieved by this. The background sky appears darker and, all at once, faint details become visible.
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. This filter can be ofen used in the astrophotography in the city
The CLS filter can be used with all 2" eyepieces.
Package Include:
1 X 2Inch CLS Filter
1 X Sturdy Plastic Case

Features

  • This filter is perfect for observation of faint and low-contrast deep-sky objects. Significantly reduces light pollution, great for both city and suburban observation.
  • Nebula filter for increasing contrast, also suitable for use with smaller telescopes.
  • The perfect filter for viewing nebula from light polluted skies, or for boosting the contrast of nebula from dark sky sites. it is very useful for astrophotography.
  • The advanced technology coatings enable the filter to achieve an outstanding transmission of over 97% across the entire bandpass, with total blockage of prominent light pollution lines.
  • 2 Inch Format : Simply attach to eyepiece-cased in a sturdy transparent case.
  • See more on Amazon...

Brand: Southstar   |   Manufacturer: Southstar

Package Dimensions: 0.75 x 3.07 x 3.23 inches (1.9 x 7.8 x 8.2 cm)

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