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Universal Astro Canon EOS Clip-In Light Pollution Filter (APS-C)

Brand: Universal Astro


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  • Massively improve your DSLR astrophotography experience with this Light Pollution Filter!
  • Simply clip in and remove as needed.
  • Designed for Canon EOS APS-C Cameras
  • An excellent transmission rate of over 95%!
  • See more attributes and example images of the filter below.

Product Details

  • Fighting against light pollution is always a struggle for astronomers, but the Universal Astro Canon EOS Clip-In UHC Light Pollution Filter is for those employing the simple efficiency of a Canon EOS camera.

    The most affordable and performance proven Canon EOS APS-C light pollution filter on the market!

    Made as a UHC (Ultra High Contrast) filter, this Clip-in filter really brings out the dark backdrop of the sky while keeping color variation in stars intact. Particularly in a city-scape setting, you'll always have light pollution to deal with, but these images below give an idea of the drastic improvement this filter will provide.

    Without the filter:

    With the filter:

    Grab one for yourself and experience the newfound ease afforded to your astrophotography experience!

    Filter Specifications:

    • Fitted for Canon EOS APS-C Cameras
    • Lens Thickness: 1.1mm
    • Angle of Incidence: 0-8 degrees
    • Full Width at Half Maximum: 480nm-510nm & 650nm-700nm
    • Central Wavelength (480-510): 490nm
    • Central Wavelength (650-700): 660nm
    • Transmission: >95%
    • Optical Density: OD3
    • Blocking Range: 200nm-470nm & 530nm-635nm
  • specifications

    Filter ShapeCanon APS C
    Filter Thickness1.1mm
    Filter TypeLight Pollution/City Light Suppression
    ShapeCanon APS C
    Warranty1 Year Warranty
  • included items

    • Universal Astro Canon EOS Clip-In Light Pollution Filter (APS-C)

Product Reviews

Customer Reviews
4.7 Based on 91 Reviews
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Filter Reviews:
  • extension lengths
  • ASI178MC
  • goto mount
  • deal breaker
  • tube length
  • filter drawer
  • trouble
  • pros
  • cons
  • stock
Jeramie S.
United States United States

So Good!

This is my first AP rig and was a little anxious about the setup and how everything would work. I’ve been completely amazed at how good this kit is for the price. Pros: Easy setup. Polar alignment wasn’t all that hard. Everything seems to be of good quality. The 2i tracks really well. Cons: I’d have paid a bit more for a goto mount, but it’s not a deal breaker. I also had a bit of trouble getting the focus right with my camera (ASI178MC). Had to play quite a bit with different combinations of extension lengths to get it right. With this in mind, if you’re using a dedicated AP camera you’ll need to figure out your correct tube length and make sure you have the right size inline filter drawer for LiPo or other filters. I’m currently having to just let a 1.25 filter rest on the sensor window until the correct inline filters are back in stock.

Leonardo R.
Mexico Mexico

A great little mount

It is an excellent mount. I use it with the Radian 61 and Asi 2600 MC, total 3.5 kg with accessories. The key to success with this mount is the tripod. With a carbon fiber tripod it is very unstable, with the tripod of my old EQ6 pro goto (8 kG) it is totally stable, getting great results. You should sell some 4 kg tripod. This mount is perfect for small focal lengths, respecting the weight, which does not exceed 4kg and t the equipment to be placed on the mount must be perfectly balanced. I had to improve it with some accessories to gain stability and reduce weight and now it is perfect for me. An excellent purchase that allows me to travel to the skies without contamination (bortle 2-3). With my old EQ6, with 20 kg +8 of the tripod plus the rest of the equipment, it is very heavy to make long trips, with the star adventurer, I lose focal but I gain portability.

OPT Telescopes OPT Widefield Astrophotography Bundle Review
United States United States

Excellent Customer Service!

I have dealt with many AP companies. You guys are by far the most patient and the most knowledgeable. I needed a Canon clip in light pollution filter for my Canon T6, stock DSLR and you were able to find the one that fit the bill perfectly! Thank you! Tony

OPT Telescopes OPT Widefield Astrophotography Bundle ReviewOPT Telescopes OPT Widefield Astrophotography Bundle Review
Chase N.
United States United States

This is a great little scope

While still new to the hobby of Astrophotography, I was looking for a lower focal length lens to use, while I traveled up to the Boundary Waters Canoe Area MN, a bortle 1 area. Due to size needed for the trip, I was looking at maybe getting a 135mm lens, but then this little guy came back in stock, so I decided to go for this instead. I am glad I did! This scope is small, fits perfectly in my little Pelican Case used to transport my camera and Skyguider. The scope is very well made, feels extremely sturdy and the focuser is solid, maybe a tad tough to move, but nothing to write off about. Along with the scope came some extension tubes and nice blue mounting rings that mount nicely to the arca-swiss dovetail. If you are in need of an ultrawide, I highly recommend this scope. The attached image is only 37.5 minutes at ISO 3200 of the Pleiades.

OPT Telescopes OPT Widefield Astrophotography Bundle Review
Allen G.
United States United States

TPO 180 Lens

Its fantastic! I mounted it on top of my Explore Scientific Ed102 because the dovetail supplied is marginal at best. not wide enough to fit the plate on my mount. , but the optics are sharp and the field of view is breath taking! A very good purchase, especially when combined with my Asi 294 mc pro.

Francis K.
United States United States

Thoughts on Sky Watcher Star Adventurer 2i Pro

Due to poor weather and smoky skies opportunities for sky watching have not existed since I purchased the tracker. However, I did assemble it to familiarize myself. I remember Trevor Jones of Astrobackyard saying that the battery cover was weak on the prior model. On my 2I Pro it is the same, almost useless, prone to falling off where it can easily get stepped on.