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UHC Telescope Filter Improves Image Contrast of Nebula and Deep Sky Objects
If you're not sure if a light pollution filter will benefit you or not (and it probably will), this SVBONY UHC Filter is a relatively inexpensive way to find out. Best of all, once you have it you'll probably feel no need to pick up a pricier one since this one will likely meet all of your needs.
See Some Small Planetary Nebula Detail
Basically, it works by darkening the background so you can see more nebulosity that would otherwise be too faint. This filter allows one to really see small planetary nebulae that would otherwise be washed out by the background, such as the M42 Nebula, the Dumbbell Nebula, and the Lagoon Nebula.
The nebula is the dot that doesn't get dimmer when you thread in UHC filter.
It helps with finding the little planetary nebulae because it dims everything but the nebula, i.e. you can look at the same spot with and without the filter, and with the filter in place the stars are dimmed somewhat but the nebula isn't. It works well at both low and high powers.
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light pollution reduction filter
Selectively reduce the transmission of certain wavelengths of light
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Easy to carry
Comes in a beautiful clamshell snap-on plastic case with foam inserts
Works great and increases the contrast
The sky is much darker than without it.
Excelent Light Pollution Filter. However, it does cause a halo. If you turn down the exposure it does fade or fade enough to be noticeable.
If no light difference
The reason may be that the spectrum of the light source and the spectrum of the light filter have overlapping conflicts; The reason may be that the spectrum of the light source and the spectrum of the light filter have overlapping conflicts; You can change the environment to test if there is any change (Better on 8-inch telescopes)
Nick Meyer
2025-09-02 10:30:17
As far as images I am really surprised at how well this works. From Bortle 6-7 on the bright emission nebula in orion, it helped bring out more color and cut down the orange glow (only a single sub before the clouds came). For visual use I didn't notice much difference but to be fair when I tested it visually I was in bortle 4 to 5. I imagine it helps more, the more light polluted your skies are.
Michael M.
2025-08-30 12:37:24
This broadband (50nm) UHC works well and has allowed me to view nebula (other than M42 / Orion Nebula) for the very first time from my light polluted backyard. I never thought I would be able to detect nebula from my backyard, where I do most of my visual observing using 8" and 10" F5 dobs. I'm in a red/white light pollution zone which is considered "Bortle 8" aka "can't see ****, captain". This filter hits well above its weight and is comparable to a more expensive Optolong UHC filter.Even with most of my city using LED street lights, whose light pollution is harder to filter out, this filter performed exceptionally and allowed me to detect nebulosity in Scorpius last night. The nebulosity was faint, but it was absolutely there. I didn't need to use averted vision or any other aids to detect it. With visual observing, you can't expect bright Hubble views albeit I suspect this filter would work exceptionally well for astrophotographers, who will be able to achieve great results with this filter + long exposures. The fact that I could visually detect any nebula at all that wasn't M42 in Orion makes this worth the measly $20 paid.Members of a popular astronomy forum have sent the SVbony UHC filters out to Lumicon- one of the top optics and filter labs- and it revealed that this filter is virtually identical in performance to Optolong UHC filter and may even be the same thing. The Optolong is well regarded and sells for $80; a $20 SVbony performing the same as a filter that is 4X as expensive is a great deal.The price and the performance of this makes it a must have filter if you don't have one. I'm not a fan of filters as I find the price:performance underwhelming for visual observing, but this filter hits all the right notes. I will likely buy SVbony's 2" version of this filter, I like its performance enough that I want it available for my 2" wide field EPs. I wish SVbony made an OIII; I'd buy it in a heartbeat if it performed as well as this UHC.
Jason Daniel
2025-08-29 18:55:02
ease of use, Hobt pops straight into my camera and the performance was pretty great in my opinion and it’s not that expensive
John R Slivon
2025-08-10 21:38:28
Excellent filter for the moon.
Customer
2025-08-09 11:13:52
Orion nebula looks stunning compared to not using a filter. Highly recommend!
Azphxguy
2025-07-08 12:09:23
Does a great job of making dso objects pop a bit more. I'm happy with it.
BaloSurf
2025-04-18 15:52:54
This SVBONY Telescope Filter 2 inches UHC Filter is not bad, but not great, but not bad. It is certainly worth the price you pay for it. If you are getting into using 2" filters for astrophotography, this is a decent starting point. Results have been decent. I live in a Bortel 3-4 sky area and it indeed does cut through some of the light polluted skies. I also have the SVBONY CLS and UV/IR Cut filters, which are both decent for different deep sky objects. Don't know if it would work well in anything above a Bortel 4, but is worth the dough if you don't want to spend a couple hundred dollars (or more) for a higher end filter such as the Optolong L-eNhance, which is superb.
Robert N peifer
2025-04-03 09:50:18
This was part of a bundle deal while I haven't been able to fully test it is of good quality and does help with light pollution in my area
أبو الأتراك
2025-04-01 16:59:04
منتجات هذه الشركة جيدة عادة
Moisés
2025-03-17 10:07:19
Un producto de muy buena calidad.
Željko
2025-03-16 16:39:55
The media could not be loaded.
Lindsay S
2025-03-04 11:23:12
Just what I needed for my deep space captures
Alex Beemer
2025-02-16 16:46:16
This filter is excellent for the price. The picture that I've attached was taken under bortle class 4 skies with an unmodified t5i. The filter helped me gather detail in the very faint nebulae details, and it did a decent job.
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