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Astromania

Astromania 2" UHC (Ultra High Contrast) Filter - Superb Views of The Orion, Lagoon, Swan and Other Extended Nebulae

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Availability: In Stock.
Fulfilled by Amazon
Arrives Monday, May 11
Order within 22 hours and 38 minutes
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Size: 2 Inch


Features

  • 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
  • Can be used at both light-polluted and dark sky sites; blocks the light from mercury and sodium-vapour lamps
  • 2 inch filter thread; each Astromania 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
  • 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

Brand: Astromania


Material: Plastic


Photo Filter Thread Size: 50.8 Millimeters


Coating Description: Multi Coating


Photo Filter Effect Type: Enhancing


Water Resistance Level: Not Water Resistant


Product Dimensions: 2"L x 2"W


Thread Size: 50.8 Millimeters


Coating Description: Multi Coating


Special Effect: Enhancing


Water Resistance Level: Not Water Resistant


Brand: Astromania


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


Manufacturer: Astromania


Item Weight: 0.5 Ounces


Enclosure Material: Plastic


Color: 2" UHC


Media Type: ProductImage


Screen Size: 2 Inches


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


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


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, May 11

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

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Similar Products

Top Amazon Reviews

    • 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 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
    • 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.
    • 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.
    • Very good, but don't expect miracles.
Size: 1.25 Inch
Keep your expectations realistic for visual astronomy. I have an 8" Dobsonian and live in a moderately light-polluted area (Bortle 4/5), so I can already resolve rather faint details without any filtration. When looking at M42 (the Orion Nebula) there is significantly better contrast and definition on dust lanes, and when using averted vision there is a moderate increase in the amount of nebulosity visible. Keep in mind that any filter will decrease the overall brightness of your target, so allow your eyes to adjust before making any judgments. ... show more
Reviewed in the United States on January 26, 2022 by cole
    • 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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