Canon EF 20mm f/2.8 USM Review

The Canon EF 20mm f/2.8 USM lens delivers an ultra-wide field of view on full-frame cameras, and is incredibly sharp while you stop all the way down to f/4. (4 out of five) Pros Ultra-wide field of view Sharp when stopped down Minimal distortion Cons Slightly soft at f/2.8 Liable to color fringing The Canon EF 20mm f/2.8 […]