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20mm wide angle lens for Canon cameras
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Technical Details
- EF mount; wide-angle lens- Floating system; inner focusing; full-time manual focus
- 20mm focal length
- f/2.8 maximum aperture
- Ring-type UltraSonic Motor (USM)
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By Risch (Orlando FL)
I use this on my 40D, was not impressed with the previous reviews but needed a 20mm so went ahead and pushed the button. Picture quality was stunning at the amazingly low lights and the lens was super fast. excellent built quality. A great buy for an ultra wide angle.
By Otto Haring (Miami)
I used it to shoot from an elevated angle. The result were disappointing.....I paid $[...] but I don't think it is even worth more than $[...] to tell you the truth.
The colors are lifeless, "burnt-out". There are no details on the images. You can see the samples on my site: [...] Look for the huge house with the red roof. You will see what I am talking about. Normally, I use the 17-40 L on my elevated system. I thoguht the 20mm would be a good replacement even if it not as good as the 17 40. I think even the 18-55 Canon kit lens produces better images. Add a few hundred bucks and buy a decent lens.
By Alice Herden (Florida)
Always happy with Canon Lenses.. I am more a detailed photographer, I purchased this mainly for my husband. He enjoys taking more landscape photography. Overall, very happy!
By John Koehn (Arlington, VA)
I was a bit concerned at first with the fixed focal length, but it has proven to be very versatile. It takes very sharp pictures, even when fully opened in low light. I have not noticed any of the vignetting that other users have mentioned.
Bottom line: great wide angle lens for the price. Useful for landscapes and tight space, low light situations.
By Neurasthenic (New York City, New York)
This is one of the first two lenses I bought when I switched to a Canon SLR about five years ago. I've had plenty of opportunity to use it since then, both with film and (full frame) digital.
The idea behind this lens is a good one -- 20mm is wide enough to allow for landscape and architectural photos, and it focuses close enough for entertaining photos of people's faces, taken about a foot away from their noses (note that you'll need either a ring light or lucky ambient light to pull off the latter). There is some pincushion distortion, but nobody would accuse the results of looking like a funhouse mirror, as would be the case with a fisheye lens, for example.
f2.8 is fast enough; I've no complaints there. Unfortunately, this camera consistently vignettes -- the corners of every image are dim. This is true even with a bare lens, and filters make it worse. You can correct the problem in image editing software, or just crop the image, but what's the point of buying a 20mm lens if you're going to have to crop every photo you take with it?
If this had been a cheap zoom lens, I'd have expected the problem and not been bothered by it. With a fixed lens, however, I think there isn't much excuse.
Canon still charges about the same ($400) that I paid for this lens years ago. By now, they ought to have upgraded this thing, or dropped the price. It is the worst EF lens I own.
-- addendum: I've recently been using a Canon EOS IX, which takes APS film. This lens is much more useful with that camera, though using even APS-H, you get something akin to the image you would get from a 35mm lens on a 35mm negative.
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Buy Canon EF 20mm f/2.8 USM Wide Angle Lens for Canon SLR Cameras Now
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