Lens
Clens
EF 20-35mm f/2.8L
Full-frame zoom · 72mm filter · 570g
Max Aperture
f/2.8
Weight
570g
Filter Thread
72mm
Min Focus Distance
50cm
Mount: Canon EF — compatible with all Canon EF-mount bodies.
Zoom
Yes
Focus
Autofocus
Mount
Canon EF
Format
35mm full frame
Groups
12
Elements
15
Weight
570g
Filter Thread
72mm
Length mm
79.2
Spec Notes
Canon Camera Museum, marketed Oct 1989. Constant f/2.8.
Stabilized
No
Diameter mm
89
Max Aperture
f/2.8
Min Focus Distance
50cm
Aperture Blades
6
Min Focus Basis
Canon: from focal plane
Introduced
1989