The lens uses a rear focusing system, high-speed CPU, and a powerful ring-type USM with revised electronics for faster, more responsive AF. This lens continues the proud tradition of superior clarity optics found in L-series Canon lenses.
AF actuator:
USM
Auto focus:
Y
Closest focusing distance:
0.2m
Compatible products:
Canon DSLR
Diagonal angle of view (max):
114°
Fixed focal length:
1.4 cm
Lens structure (elements/groups):
14/11
Manual focus:
Y
Maximum aperture number:
22
Number of diaphragm blades:
6
Weight & dimensions
Diameter:
8 cm
Length:
9.4 cm
Weight:
645g
