from ktiepark

Reading previous reviews about this lens, I was very timid to purchase this lens, but I needed a wide angle lens and this was in my price range. The auto-focus is a little slow in low light [but most lens are] and the crispness of an image at f2.8 takes a little more effort, but overall I think i...

from Lenoir

This was a great value for what i wanted. I started using it on my rebel XT, because it was 2.8 and a really wide angle. I don't really buy many EF-S lens because I knew I would eventually move to full frame. The images are really nice and sharp with good contrast. I didn't notice any Vignetting ...

from =CB=

I've had the EF 20mm/2.8 for about four years. Can't be happier with it, except maybe I'd like a smaller, lighter version. You just can't have it all. The performance is very good. Edge sharpness, on film or digital full frame, shows some softness wide open, but it crisps up very well by f/4.0. ...

from Cris

Short and simple. This lens is does exactly what I expected it to do - take great photos. One can get a balanced impression and make a judgment about this lens by reading all the reviews. It is made for the serious amateur, maybe not for the pro. I have owned my Canon 20mm for about three years, ...

from MakroMan

This is a very sharp lens. It quickly became my favorite for panoramic shoots and steadycam fly through. It allows for amazing flexibility because of its small size and fast aperture.