Groups
9
AF Motor
usm
Elements
11
Weight
405g
Filter Thread
72mm
Length mm
70.6
Model Code
EF20MM-F2.8-USM
Stabilized
No
Diameter mm
77.5
Max Aperture
f/2.8
Min Aperture
f/22
Discontinued
Yes
Min Focus Distance
25cm
Introduced
1992
Focal Length (Max)
20mm
Focal Length (Min)
20mm
Max Magnification
0.14