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Extended holiday returns
FREE refund/replacement until Jan 31, 2027 Learn more
FREE refund/replacement until Jan 31, 2027 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2027
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Tuesday, Nov 17
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At a glance
- Condition
- New
- Size
- 2 in
- Model
- FF9131B
- Dimensions
- 2"L x 2"W
- Material
- Aluminum
- Coating Description
- No Coating
- Water Resistance Level
- Not Water Resistant
- Works with
- 2-inch telescope eyepieces
Features 5
- UHC telescope filter was designed to improve the image contrast of observed objects. 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 light pollution filter only passes the light around the 400nm line. It does not transmit the Ha and higher. Filter works great
- Optical glass lens; aluminum frame; significantly reduces light pollution; great for city and suburban observation
- Sharp and clear images;this UHC filter is considered one of the most popular astronomy accessories;it can be used not only for celestial observations but also for astrophotography
- Specifications; For any 2" telescope eyepiece&telescope accessories; Threaded interface: M480.75; Comes with a plastic box; Net weight: 41g
Description
UHC filter is perfect for observation of faint and low-contrast deep-sky objects, significantly reduces light pollution and increase contrast. This filter could cause a halo, if you turn down the exposure it does go away or weakens up enough not to notice. Gain new enlightenment into the night sky by making your darks darker and your blacks blacker. This filter is a necessary component of any well stocked filter collection. With it, one can find both wonder and splendor in the darkness amid the paradox of the night and the logic of the light. Standard M48*0.75mm thread, compatible for eyepieces of many telescopes. Made of quality materials, lightweight, durable for years of use. SV405CC Telescope Camera SV105 Telescope Camera SV705C Telescope Camera SV48P Telescope SV225 Alt-Azimuth Mount Telescope Eyepiece 40mm Telescope Filter Drawer
Specs 23
| Brand | SVBONY |
|---|---|
| Material | Aluminum |
| Photo Filter Thread Size | 48 millimeters |
| Coating Description | No Coating |
| Photo Filter Effect Type | Enhancing |
| Water Resistance Level | Not Water Resistant |
| Photo Filter Factor | 4 x |
| Product Dimensions | 2"L x 2"W |
| Photo Filter Size | 5.1 centimeters |
| Item Highlight | Improve Image Contrast, Reduce Light Pollution, Telescope Accessories for Deep Sky Objects Astrophotography & Observation |
| Manufacturer Part Number | FF9131B |
| Number of Packs | 1 |
| Number of Items | 1 |
| Unit Count | 1 Count |
| Manufacturer | SVBONY |
| Model Number | FF9131B |
| Thread Size | 48 millimeters |
| Special Effect | Enhancing |
| Enclosure Material | Aluminum |
| Screen Size | 2 inches |
| Exposure Control Type | Automatic |
| Viewfinder Type | optical viewfinder |
| Item Dimensions L x W | 2"L x 2"W |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Nov 17
Yes, absolutely! This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2027.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
does its job.
Size: 2 inch
Good value and good quality product.
Reviewed in the United States on August 27, 2026 by erik lynum
INCREDIBLE performance, you won't regret at all
Size: 2 inch
The virtue of high contrast filter (or city light filter) is to coat some relevant materials on very flat glass, selectively transmitting wavelength that suits the filter's purpose. So ideally speaking if you live in Bortle class 1 area, you don't need it. But there are only a few places you will find near your city even in the western side of the US. Therefore this filter can do the right job for you, for most cases. Indeed, non-flat glass and uneven coating will mar your filter and in the end, it mars the quality of an optical image projected on your eyepiece or the camera sensor. For that, perhaps very high-end quality astrophotography might want something more expensive filters. As an amateur, this filter is just perfect. You may lose some lights as filters wouldn't have 100% transmittance for necessary wavelengths. Despite such light loss, transmitting only the necessary wavelengths is important as your camera sensor doesn't want to be saturated by unnecessary wavelengths hitting your sensor. One of the best representative unnecessary wavelength shall be city light. Longer you expose through one shot of the picture, more importance of the filter you fill find. Attached is Trifid nebula,stacked many images taken 30 seconds for each.
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Reviewed in the United States on June 24, 2020 by Joohyung Park
Great buy
Size: 2 inch
I’ve only had a couple of sessions worth of imaging with this filter, but the results so far are great. I’m close to downtown in a major city and to a street light and I definitely notice a difference in picture quality with this filter. It’s great for nebulae and really brings out the reds. It’s not so good for galaxies and star clusters as far as I can tell. Just starting to really dabble in filters and this one was worth the buy.
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Reviewed in the United States on January 1, 2024 by Jessie
Best filter for the $$ !
Size: 2 inch
Orion nebula looks stunning compared to not using a filter. Highly recommend!
Reviewed in the United States on January 25, 2025 by Amazon Customer
Pretty Good For The Price
Size: 2 inch
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.
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Reviewed in the United States on June 14, 2021 by BaloSurf
Good Value
Size: 2 inch
Use to reduce overexposed stars on long exposure photos. Works well on weak color nebulas, especially red ones. Minimizes the blue halos around bright stars typical with achromatic lenses. Drops out a bit of the dark blues though, so caution on targets containing blues. However it worked well on the Trifed nebula as the attached photo shows.
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Reviewed in the United States on August 27, 2023 by Dave
Get a better one or nothing at all.
Size: 2 inch
Very disappointed, just another trash filter.
Reviewed in the United States on August 28, 2026 by mike d.
Amazing value.
Size: 2 inch
So far it's been an amazing little filter. For the price I think it would be hard to beat. I'm working in a bortle 5 with a lot of neighborhood lights and got a beautiful quick 3 min sub of the Orion nebula. I'm looking forward to trying it out on some more difficult targets soon. Picture was taken with a zwo asi533mc pro at f5.
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Reviewed in the United States on February 3, 2020 by John P.