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Astromania Telescope Filter Telescope UHC Filter Improve Contrast Nebula 2"

  • Based on 156 reviews
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Availability: In Stock.
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Arrives Friday, Oct 23
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Size: 2 Inch


Features

  • 2" UHC Nebula Filter Light Pollution Reduction UHC nebula filter is also known as light pollution reduction filters; Designed to selectively reduce transmission of certain wavelengths of light especially those produced by artificial light
  • Many objects only first become visible at all when using UHC filter but also highlights such as Orion, Lagoon or Swan nebulae show a whole new side to them; Deep-sky filter brings out faint details in emission nebulae that are invisible without filtration
  • Can be used at both light-polluted and dark sky sites; This telescope filter significantly reduces light pollution for making it great for city and suburban observation while also boosting contrast at remote dark-sky location
  • As many celestial objects, such as nebulae, radiate at other wavelengths a considerable increase in contrast can be achieved; The perfect filter for viewing nebula from light polluted skies or for boosting the contrast of nebula from dark sky sites
  • Made from optical glass lens with aluminum frame this UHC filter features premium anti-reflection coatings; Due to its ability to produce exceptionally sharp and clear images this filter is considered one of most popular astronomy accessories
  • 2 inch telescope filter is cased in a sturdy transparent case; Standard filter thread for 2" eyepieces and other telescope accessories makes it universally compatible for refractors reflectors and catadioptric telescopes with 2" focuser

Description

Astromania 2" UHC filter suitable for visual observation on most emission nebulae, planetary nebulae and supernova remnants. Not only useful at light-polluted sites; the contrast is also increased at dark sky sites. Many objects only first become visible at all when using an UHC filter. Astromania 2" H-Beta Filter Astromania 2" O-III Filter Astromania 2" NBPF Filter Sutiable Diameter 2" Sutiable Diameter 2" Sutiable Diameter 2" Filter Type High-End Nebula Filter Filter Type High-End Nebula Filter Filter Type High-End Nebula Filter Function Point Executes with a transmission of over 90% and completely rejects light pollution. Function Point Allows high-contrast imaging even in areas with strong light pollution. Function Point Blocks the infamous stray light and light from mercury and sodium vapour lamps.

Brand: Astromania


Material: Plastic


Photo Filter Thread Size: 5.1 centimeters


Coating Description: Multi Coating


Photo Filter Effect Type: Enhancing


Water Resistance Level: Not Water Resistant


Product Dimensions: 2"L x 2"W


Photo Filter Size: 5.1 centimeters


Item Highlight: Light Pollution Filter, Optical Glass Lens, Aluminum Frame, Fit 1.25" Eyepiece, Telescope Accessories Nebula Filter for Orion See more


Number of Items: 1


Brand: Astromania


Manufacturer Part Number: SKU_AM_UF2


Item Highlight: Light Pollution Filter, Optical Glass Lens, Aluminum Frame, Fit 1.25" Eyepiece, Telescope Accessories Nebula Filter for Orion


Number of Items: 1


Item Weight: 14.2 g


Manufacturer: Astromania


Model Name: Astronomy 2" UHC (Ultra High Contrast) Filter - superb views of the Orion, Lagoon, Swan and other extended nebulae


Model Number: SKU_AM_UF2


Thread Size: 5.1 centimeters


Coating Description: Multi Coating


Special Effect: Enhancing


Water Resistance Level: Not Water Resistant


Enclosure Material: Plastic


Screen Size: 2 inches


Color: 2" UHC


Compatible Devices: Telescopes, Cameras with 2-inch filter thread


Media Type: ProductImage


Item Dimensions L x W: 2"L x 2"W


Photo Filter Size: 5.1 centimeters


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Oct 23

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Budget Friendly Filter that Works Well Budget Friendly Filter that Works Well
Size: 2 Inch
I ordered this to cut down on light pollution and enhance the nebula I can view in the fall and winter months. I use it on my Seestar S30 with an adapter for 2in filters. This worked extremely well. Attached is a picture of the Jellyfish Nebula taken over several nights with the filter. Before using the filter the nebula was hardly visible because of light pollution. I think the filter did an excellent job of bringing out the Oxygen-III and Hydrogen-Beta emissions while blocking light pollution. The filter is affordable. It screws easily into the 2 inch adapter. I recommend this filter. ... show more
Reviewed in the United States on May 20, 2026 Reviewed in the United States on May 20, 2026 by Ken

  • Great value!
Size: 1.25 Inch
I bought this to use with my 10-in Dobsonian telescope. While looking for the E. Veil Nebula I was literally unable to see it until I added this filter to the eyepiece. Once I did that I was able to see the structure in fairly good detail. I look forward to using it for other nebulae. Well worth the low price. ... show more
Reviewed in the United States on September 24, 2025 by M.G.

  • Blown away by the added detail
Size: 1.25 Inch
Viewing through a 6' dob, live in a Bortle10 area, and waited for the moon to "set" at 3:30am. Viewing in Sagittarius,viewing due South, 10 miles North of Charlotte. Went straight to Lagoon Nebula. Ive tried a general LPC (light pollution filter) in the past which helps. However with the LPC, I was only able to make out half of it. With the UHC, I was able to see both halves, and the dark lane through the middle. Had a similar experience with the Swan/Omega nebula. In the past could only make out the "body" of the Swan. Last night I was able to view the "head" as well as wisps of clouds, off the tail. I have never been able to make out the Trifid or Eagle Nebula until last night. Both were very faint and could make out very little detail. I have no comparison to other UHC filters. However if you are on a budget like myself and cant spend $100 on a filter, I feel like you will enjoy this filter. Very pleased with the purchase and details I was able to see. ... show more
Reviewed in the United States on June 1, 2020 by T G

  • Dust Clouds More Visible
Size: 2 Inch
This definitely enhances dust clouds. I used it with a 2" 18mm orthoscopic eyepiece last night with my 17.5" Dobsonian on the Orion Nebula. The clouds are definitely brighter and more obvious with it than without it. Other reviews have complained about overall light loss. Yes, there is some reduction in overall brightness but with a 17.5" scope, it is not dramatic. I have not used it on other nebulae yet (recovering from appendectomy) but I have high hopes. ... show more
Reviewed in the United States on March 27, 2026 by Clayton E. Cramer

  • Awesome purchase
Size: 1.25 Inch
Purchased this lens to use in my telescope. Haven't gotten to use it just yet but was professionally packaged and was delivered in record time
Reviewed in the United States on March 6, 2026 by Bryan D.

  • Good at highlighting a nebula
Size: 1.25 Inch
Really brought the nebula into view
Reviewed in the United States on March 11, 2026 by pennsylvania

  • Great Filter for Viewing from City
Size: 1.25 Inch
This is, so far, my favorite purchase for my new telescope. I can see the Orion nebula now (which I could not see in my light polluted sky) previously. It is very faint, but I can see it now! One of my unexpected favorites to look at with this new filter is Betelgeuse because I can see it and its color so much better now. The filter came with a very nice, sturdy, case as well. ... show more
Reviewed in the United States on January 22, 2020 by Michael Smithsonian

  • Good Budget Filter for Bright Nebula
Size: 1.25 Inch
If you have realistic expectations this a great budget filter to try out before going on to others, best on bright nebula and dark sites. Made a noticeable contrast difference on Saturn Nebula and gave hints of nebulosity of Lagoon Nebula under heavy urban light pollution but dims light as do all filters. Would buy again. ... show more
Reviewed in the United States on September 2, 2021 by Sci Researcher

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