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Canon EF 20mm f/2.8 USM Wide-Angle Fixed Lens
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
20mm focal length
f/2.8 maximum aperture
Ring-type UltraSonic Motor (USM)
Lens not Zoomable
Video Review Canon EF 20mm f/2.8 USM Wide-Angle Fixed Lens