SeekerCanon EF 20mm f/2.8 USM
The Canon EF 20mm f/2.8 USM lens delivers an ultra-wide field of view on full-frame cameras, and is quite sharp once you stop down to f/4.
-- As reviewed by PCMag
Product details
- Focal length and maximum aperture: 20mm 1:2.8
- Lens construction: 11 elements in 9 groups
- Diagonal angle of view: 94 Degree
- Rear focusing system with USM focus adjustment
- Closest focusing distance: 0.20m/0.66 ft.
- EF mount; wide-angle lens
- Floating system; inner focusing; full-time manual focus
PROS
+ Ultra-wide field of view.
+ Sharp when stopped down.
+ Minimal distortion.
CONS
- Slightly soft at f/2.8.
- Prone to color fringing.
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Expert reviews and ratings
By PCMag on January 28, 2013
The Canon EF 20mm f/2.8 USM lens delivers an ultra-wide field of view on full-frame cameras, and is quite sharp once you stop down to f/4.
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