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Alstar 1.25" Narrowband H-Beta Filter

Asin: B07789GKYY   |   Model: SKU_AM_HF1A   |   PartNumber: SKU_AM_HF1A   |   Ean: 6971336220445


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The High Optical Quality Of The Alstar Filters Guarantees No Loss In Sharpness Or Contrast..
Filter With Metal Mount 1.25" Filter Threads On Both Sides..
Executes With A Transmission Of Over 90% And Completely Rejects Light Pollution..
Have Extremely High Transmissions, While Completely Rejecting Light Pollution As Well As The Important Blocking Of Longer Wavelengths..

Features

  • Substrate is fine-optically polished plane parallel to deliver a smooth and accurate 1/4 wavefront over the entire surface.
  • Have extremely high transmissions, while completely rejecting light pollution as well as the important blocking of longer wavelengths.
  • The high optical quality of the Alstar filters guarantees no loss in sharpness or contrast.
  • Executes with a transmission of over 90% and completely rejects light pollution.
  • Filter with metal mount 1.25 filter threads on both sides.
  • See more on Amazon...

Brand: A ALSTAR   |   Manufacturer: Alstar

Dimensions: 0.60 x 2.80 x 2.70 inches

Amazon Price: $69.99 | as of 05/21/2024 (11:59pm pst) *DETAILS
Availability: In Stock

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Similar To Alstar 1.25 Narrowband HBeta Filter

  #1

SVBONY Telescope Filter, 1.25 inches Planetary Filter for Astronomy Telescope Eyepiece, Increase Contrast and Reduce Light Pollution, for Lunar Planetary Observation and Astrophotography

Asin: B071CTYTQS   |   Model: FUSF9114L   |   PartNumber: FUSF9114L   |   Ean: 0714559027912   |   UPC: 714559027912

The Filter Effectively Filters Out Selective Wavelengths Of Low Pressure Sodium And Other Man Made Sources Typically Used In Street Lighting;Although It Is Not A Nebula Filter;It Enhances The Views Of Deep Sky Objects By Increasing The Contrast Of These Objects Against The Background Sky.
Standard Filter Thread For Any 1.25” Telescope Eyepiece And Other Accessory;Comes With A Plastic Box To Keep It Safe And Clean When Not In Use;It's A Great Birthday Christmas Gift.
Premium Quality Metal Rim And Thread With Blue Glass Lens;The Filter Will Fit All Standard Sized 1.25" Eyepieces And Accessories;It Is Mounted In A Nicely Anodized Housing.
Telescope Eyepiece Cutting Light Pollution;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.

Features

  • 1.25" moon and skyglow filter is a multi band pass filter transmitting a high percentage of light in the visual spectrum;the filter enhances contrast when observing brighter objects including the moon and planets
  • Telescope eyepiece cutting light pollution;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 effectively filters out selective wavelengths of low pressure sodium and other man made sources typically used in street lighting;although it is not a nebula filter;it enhances the views of deep sky objects by increasing the contrast of these objects against the background sky
  • Premium quality metal rim and thread with blue glass lens;the filter will fit all standard sized 1.25 eyepieces and accessories;it is mounted in a nicely anodized housing
  • Standard filter thread for any 1.25 telescope eyepiece and other accessory;comes with a plastic box to keep it safe and clean when not in use;It's a great birthday christmas gift
  • See more on Amazon...

Brand: SVBONY   |   Manufacturer: SVBONY

Dimensions: 0.70 x 3.00 x 3.00 inches   |   Weight: 0.09 pounds

Warranty: We provide 1 year warranty for SVBONY telescope accessories and 30 days no reason to return. Beyond the warranty period: We still offer maintain service, buyers are required to afford corresponding costs. We processed in the most hassle-free way possible.You just need to contact with us on Amazon ,we will reply you within 12 hours

Amazon Price: $14.99 | as of 05/21/2024 (11:59pm pst) *DETAILS

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  #2

Orion 5654 1.25-Inch UltraBlock NarrowBand Filter

Asin: B0000XMUSC   |   Model: 5654   |   PartNumber: 5654   |   Ean: 0887578765506, 0759270056544, 0962392001761, 0887578791468   |   UPC: 887578791468, 962392001761, 887578765506, 759270056544

Blocks All Forms Of Light Pollution While Passing Critical Hydrogen-Beta And Ionized Oxygen Wavelengths Of Light.
Use With Any Filter-Thread Equipped 1.25" Orion Eyepiece. Metal Filter Cell Construction..
Enhances The Sky Presence Of A Significant Number Of Fainter Deep-Sky Objects.
Allows You To See Features And Details Through A Telescope That Would Normally Be Lost Due To Light Pollution.

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.
  • See more on Amazon...

Brand: Orion   |   Manufacturer: Orion

Dimensions: 0.75 x 3.00 x 2.75 inches   |   Weight: 0.10 pounds

Amazon Price: $79.99 | as of 05/21/2024 (11:59pm pst) *DETAILS

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  #3

Astromania 1.25" Narrowband H-Beta Filter

Asin: B01EL9HJ3Q   |   Model: SKU_AM_HF1   |   PartNumber: SKU_AM_HF1   |   Ean: 6970019292816

The High Optical Quality Of The Astromania Filters Guarantees No Loss In Sharpness Or Contrast..
Substrate Is Fine-Optically Polished Plane Parallel To Deliver A Smooth And Accurate 1/4 Wavefront Over The Entire Surface..
Have Extremely High Transmissions, While Completely Rejecting Light Pollution As Well As The Important Blocking Of Longer Wavelengths..
Executes With A Transmission Of Over 90% And Completely Rejects Light Pollution..

Features

  • Filter with metal mount 1.25" filter threads on both sides.
  • Executes with a transmission of over 90% and completely rejects light pollution.
  • The high optical quality of the Astromania filters guarantees no loss in sharpness or contrast.
  • Have extremely high transmissions, while completely rejecting light pollution as well as the important blocking of longer wavelengths.
  • Substrate is fine-optically polished plane parallel to deliver a smooth and accurate 1/4 wavefront over the entire surface.
  • See more on Amazon...

Brand: Astromania   |   Manufacturer: Astromania

Dimensions: 0.56 x 2.79 x 2.74 inches   |   Weight: 0.01 pounds

Amazon Price: $69.99 | as of 05/21/2024 (11:59pm pst) *DETAILS

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  #4

Alstar 1.25" Narrowband NBPF Hydrogen-a 12nm Filter - Enhances The Contrast Between Object and Sky - Allows You to Take Images Even Under Urban Skies

Asin: B07787L1B6   |   Model: SKU_AM_HF112A   |   PartNumber: SKU_AM_HF112A   |   Ean: 6971336220421

Young Stars Embedded In The Bright Red Of A Nebula - An H-Alpha Filter Is The Expert If You Want To Capture Hydrogen Nebulae In All Their Glory..
Astrophotography Under A Light-Polluted Night Sky Can Be Difficult. The Solution Is An H-Alpha Filter. The Alstar H-Alpha Cut-Off Filter Works To Filter Out A Large Part Of This Light Pollution..
With A Bandpass Of 12Nm, Only Light Above 660Nm Is Allowed Into Your Camera - Whether Under Dark Skies Or Under The Sky Glow Of A City. That Means The Filter Also Blocks The Infamous Stray Light And Light From Mercury And Sodium Vapour Lamps..
The Alstar H-Aplha Cut-Off Filter Enhances The Contrast Between Object And Sky, Allowing You To Take Good Quality Images Even Under Urban Skies..

Features

  • Metal filter cell threads directly into the 1.25-inch barrel of your telescope eyepiece. Mounted in a nicely anodized housing.
  • The Alstar H-aplha cut-off filter enhances the contrast between object and sky, allowing you to take good quality images even under urban skies.
  • Young stars embedded in the bright red of a nebula - an H-alpha filter is the expert if you want to capture hydrogen nebulae in all their glory.
  • With a bandpass of 12nm, only light above 660nm is allowed into your camera - whether under dark skies or under the sky glow of a city. That means the filter also blocks the infamous stray light and light from mercury and sodium vapour lamps.
  • Astrophotography under a light-polluted night sky can be difficult. The solution is an H-alpha filter. The Alstar H-alpha cut-off filter works to filter out a large part of this light pollution.
  • See more on Amazon...

Brand: A ALSTAR   |   Manufacturer: Alstar

Dimensions: 0.70 x 2.10 x 1.70 inches   |   Weight: 0.02 pounds

Amazon Price: $77.99 | as of 05/21/2024 (11:59pm pst) *DETAILS

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  #5

Alstar 1.25" IR Cut Filter

Asin: B07787CHWQ   |   Model: SKU_AM_ZF1IRA   |   PartNumber: SKU_AM_ZF1IRA   |   Ean: 6971336220476

Without Any Contrast Enhancement, And Give A Very Good Idea Of The Planetary Contrast Improvement That Is Seen Visually..
The Filter Brings An Entirely Unique Approach To Planetary Contrast Enhancement And Light Pollution Reduction..
The Filter Leaves Natural Colors Mostly Intact, But Significantly Enhanced..
The High Quality Of Filters Permits Stacking With No Image Degradation..

Features

  • It's improved supression of chromatic aberrations for astrophotography applications.
  • The high quality of filters permits stacking with no image degradation.
  • Without any contrast enhancement, and give a very good idea of the planetary contrast improvement that is seen visually.
  • The filter leaves natural colors mostly intact, but significantly enhanced.
  • The filter brings an entirely unique approach to planetary contrast enhancement and light pollution reduction.
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Brand: Alstar   |   Manufacturer: Alstar

Dimensions: 0.60 x 2.80 x 2.70 inches

Amazon Price: $14.99 | as of 05/21/2024 (11:59pm pst) *DETAILS
List Price: $16.99

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  #6

Alstar 1.25" Moon/Skyglow Filter

Asin: B07782XZVB   |   Model: SKU_AM_ZF1MSA   |   PartNumber: SKU_AM_ZF1MSA   |   Ean: 6971336220315

Reduces Glare And Improves Definition So You Can See The Moons Features Much More Clearly..
1.25- Inch Moon And Skyglow Filter Is Skyglow Is A Multi-Bandpass Filter Transmitting A High Percentage Of Light In The Visual Spectrum..
The Skyglow Filter Absorbs More Light At Longer Wavelengths And Therefore Increases Viewing Contrast..
A High Quality Eyepiece Filter For Reducing The Brightness Of The Moon And Improving Contrast And Surfacr Detail..

Features

  • This can be useful when viewing the sky in areas where there is alot of light pollution.
  • A high quality eyepiece filter for reducing the brightness of the moon and improving contrast and surfacr detail.
  • Reduces Glare and improves definition so you can see the moons features much more clearly.
  • The Skyglow filter absorbs more light at longer wavelengths and therefore increases viewing contrast.
  • 1.25- inch Moon and Skyglow Filter is Skyglow is a multi-bandpass filter transmitting a high percentage of light in the visual spectrum.
  • See more on Amazon...

Brand: Alstar   |   Manufacturer: Alstar

Dimensions: 0.70 x 2.10 x 1.70 inches

Amazon Price: $13.99 | as of 05/21/2024 (11:59pm pst) *DETAILS
List Price: $15.99

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  #7

Astromania 1.25" Narrowband Nebula Red Filter

Asin: B078W4628Q   |   Model: SKU_AM_RF1NB   |   PartNumber: SKU_AM_RF1NB   |   Ean: 6971336223354

The High Optical Quality Of The Astromania Filters Guarantees No Loss In Sharpness Or Contrast..
Filter Made From High-Grade Glass With Dichroic Interference And Antireflection Coatings..
Have Extremely High Transmissions, While Completely Rejecting Light Pollution As Well As The Important Blocking Of Longer Wavelengths..
The Design Yields A Filter With A Very Symmetrical Shape And High Optical Throughput, For Maximum Enhancement Of Nebula With A Minimum Of Loss Of Stars In The Field Of View..

Features

  • This Optics custom designed filter is well suited for a variety of telescopes and objects.
  • The design yields a filter with a very symmetrical shape and high optical throughput, for maximum enhancement of nebula with a minimum of loss of stars in the field of view.
  • The high optical quality of the Astromania filters guarantees no loss in sharpness or contrast.
  • Have extremely high transmissions, while completely rejecting light pollution as well as the important blocking of longer wavelengths.
  • Filter made from high-grade glass with dichroic interference and antireflection coatings.
  • See more on Amazon...

Brand: Astromania   |   Manufacturer: Astromania

Dimensions: 1.74 x 2.14 x 0.74 inches   |   Weight: 0.01 pounds

Amazon Price: $69.99 | as of 05/21/2024 (11:59pm pst) *DETAILS

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  #8

Alstar 1.25" Color/Planetary Filter - #80A Blue

Asin: B0777H9KTR   |   Model: SKU_AM_PF180AA   |   PartNumber: SKU_AM_PF180AA   |   Ean: 6971336220087, 6971336220063

Mounted In A Nicely Anodized Housing..
Enhances The Contrast Of The Moon And Planets In Photographic Images..
Perfectly Neutral Color Will Not Alter The Natural Color Of The Moon..
Metal Filter Cell Threads Directly Into The 1.25- Inch Barrel Of Your Telescope Eyepiece..

Features

  • Especially useful for large aperture telescopes through which the light of the Moon can be extremely overwhelming.
  • 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.
  • See more on Amazon...

Brand: Alstar   |   Manufacturer: Alstar

Dimensions: 0.70 x 2.10 x 1.70 Inches   |   Weight: 0.04 pounds

Amazon Price: $15.99 | as of 05/21/2024 (11:59pm pst) *DETAILS

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  #9

Alstar 1.25" UHC (Ultra High Contrast) Filter - Superb Views of The Orion, Lagoon, Swan and Other Extended Nebulae

Asin: B0778MNCHT   |   Model: SKU_AM_UF1A   |   PartNumber: SKU_AM_UF1A   |   Ean: 6971336220384

Can Be Used At Both Light-Polluted And Dark Sky Sites. Blocks The Light From Mercury And Sodium-Vapour Lamps..
Nebula Filter For Increasing Contrast, Also Suitable For Use With Smaller Telescopes..
Many Objects Only First Become Visible At All When Using An Uhc Filter. But Also, Highlights Such As The Orion, Lagoon Or Swan Nebulae, Show A Whole New Side To Them..
1.25" Filter Thread, Each Alstar Ultra High Contrast Filter Is Individually Inspected And Proudly Inscribed With The Percentage Of Light Transmittance Of The O-Iii And H-Beta Emission Lines..

Features

  • 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.
  • 1.25 filter thread, each Alstar Ultra High Contrast Filter is individually inspected and proudly inscribed with the percentage of light transmittance of the O-III and H-beta emission lines.
  • Can be used at both light-polluted and dark sky sites. Blocks the light from mercury and sodium-vapour lamps.
  • Many objects only first become visible at all when using an UHC filter. But also, highlights such as the Orion, Lagoon or Swan nebulae, show a whole new side to them.
  • Nebula filter for increasing contrast, also suitable for use with smaller telescopes.
  • See more on Amazon...

Brand: Alstar   |   Manufacturer: Alstar

Dimensions: 0.70 x 2.10 x 1.70 inches

Amazon Price: $26.99 | as of 05/21/2024 (11:59pm pst) *DETAILS

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  #10

Alstar 1.25" Multiple 9-Position Filter Wheel for Telescope

Asin: B074DSXY9Z   |   Model: SKU_AM_FW1M9A   |   PartNumber: SKU_AM_FW1M9A   |   Ean: 6970019299952

This 1.25" Filter Wheel Lets You Use Up To 9 Different Filters And Change Them Within A Couple Of Seconds..
The Telescope Side Of The Filter Wheel Comes Supplied With A 1.25" Adapter, Allowing You To Quickly And Easily Attach It To Your Focuser..
Open The Filter Wheel And Screw Up To 9 Different Filters Into It, You Can Also Leave The Filters Mounted In The Filter Wheel, Where They Are Optimally Protected From Dust And Damage..
The Filter Wheel Interior Is Absolutely Light-Tight - Allowing You To Image Without Any Reflections Or Stray Light..

Features

  • The handy rotary wheel offers you incredibly fast switching between up to 9 different filters. Each filter position is designated by a number.
  • The filter wheel interior is absolutely light-tight - allowing you to image without any reflections or stray light.
  • This 1.25 filter wheel lets you use up to 9 different filters and change them within a couple of seconds.
  • Open the filter wheel and screw up to 9 different filters into it, you can also leave the filters mounted in the filter wheel, where they are optimally protected from dust and damage.
  • The telescope side of the filter wheel comes supplied with a 1.25 adapter, allowing you to quickly and easily attach it to your focuser.
  • See more on Amazon...

Brand: A ALSTAR   |   Manufacturer: Alstar

Dimensions: 7.40 x 7.60 x 4.30 inches   |   Weight: 1.20 pounds

Amazon Price: $81.99 | as of 05/21/2024 (11:59pm pst) *DETAILS

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  #11

Alstar 1.25" Multiple 5-Position Filter Wheel for Telescope

Asin: B074DSDVTL   |   Model: SKU_AM_FW1M5A   |   PartNumber: SKU_AM_FW1M5A   |   Ean: 6970019299914

It Is 5-Position 1.25" Filter Wheel For Telecope. And High-Quality Telescope Filter Wheel Allows You To Quickly And Easily Change..
The Filter Wheel Can Be Attached To Your Focuser Either By The Supplied 1.25" Nosepiece Adaptor Or Via A T-Thread..
Filter Wheel Attaches Directly To An Astrophotography Telescope And Requires Additional 20Mm Focus Travel..
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..

Features

  • 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.
  • It is 5-Position 1.25 Filter Wheel For Telecope. and high-quality telescope filter wheel allows you to quickly and easily change.
  • Filter Wheel attaches directly to an astrophotography telescope and requires additional 20mm focus travel.
  • The filter wheel can be attached to your focuser either by the supplied 1.25 nosepiece adaptor or via a T-thread.
  • See more on Amazon...

Brand: Alstar   |   Manufacturer: Alstar

Dimensions: 5.30 x 6.00 x 2.90 inches   |   Weight: 0.80 pounds

Amazon Price: $51.99 | as of 05/21/2024 (11:59pm pst) *DETAILS

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  #12

Alstar 1.25" Moon/Skyglow Filter - Bundle with - 0.5X Reducer

Asin: B0D48CPLD5

The Skyglow Filter Absorbs More Light At Longer Wavelengths And Therefore Increases Viewing Contrast..
Mounting Threads - 1.25" Filter Thread (28.5X0.75Mm) On Both Sides: Threads Into Eyepieces, Camera Adapters, And Other Accessories With Standard 1.25" Threads, And Can Be Stacked With Additional 1.25" Threaded Accessories..
Intended For Use With With Longer-Focal-Ratio Telescopes And Eyepieces Of Narrow To Moderately-Wide Apparent Fields Of View..
Reduces Glare And Improves Definition So You Can See The Moons Features Much More Clearly..

Features

  • This can be useful when viewing the sky in areas where there is alot of light pollution.
  • Reduces Glare and improves definition so you can see the moons features much more clearly.
  • The Skyglow filter absorbs more light at longer wavelengths and therefore increases viewing contrast.
  • Intended for use with with longer-focal-ratio telescopes and eyepieces of narrow to moderately-wide apparent fields of view.
  • Mounting threads - 1.25 filter thread (28.5x0.75MM) on both sides: Threads into eyepieces, camera adapters, and other accessories with standard 1.25 threads, and can be stacked with additional 1.25 threaded accessories.
  • See more on Amazon...

Brand: A ALSTAR

Amazon Price: $31.58 | as of 05/21/2024 (11:59pm pst) *DETAILS

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  #13

Alstar 1.25" Color/Planetary Filter - #56 Green

Asin: B0777JYKCS   |   Model: SKU_AM_PF156A   |   PartNumber: SKU_AM_PF156A   |   Ean: 6971336220070

Especially Useful For Large Aperture Telescopes Through Which The Light Of The Moon Can Be Extremely Overwhelming..
Perfectly Neutral Color Will Not Alter The Natural Color Of The Moon..
Mounted In A Nicely Anodized Housing..
Metal Filter Cell Threads Directly Into The 1.25- Inch Barrel Of Your Telescope Eyepiece..

Features

  • Enhances the contrast of the moon and planets in photographic images.
  • 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.
  • Mounted in a nicely anodized housing.
  • Perfectly neutral color will not alter the natural color of the Moon.
  • See more on Amazon...

Brand: A ALSTAR   |   Manufacturer: Alstar

Dimensions: 0.70 x 2.10 x 1.70 inches

Amazon Price: $15.99 | as of 05/21/2024 (11:59pm pst) *DETAILS

See On Amazon





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