Lens
Clens
EF 200-400mm f/4L IS USM Extender 1.4x
Full-frame zoom · 3620g
Max Aperture
f/4
Weight
3620g
Min Focus Distance
200cm
Mount: Canon EF — compatible with all Canon EF-mount bodies.
Zoom
Yes
Focus
Autofocus
Mount
Canon EF
Format
35mm full frame
Groups
20
Elements
25
Weight
3620g
Length mm
366
Spec Notes
Canon Camera Museum, marketed May 2013. BUILT-IN 1.4x extender: engaged, becomes 33 elements/24 groups, f/5.6, 560mm. Bare figures recorded (25/20). Rear 52mm drop-in filter → filter Mm omitted.
Stabilized
Yes
Diameter mm
128
Max Aperture
f/4
Min Focus Distance
200cm
Aperture Blades
9
Min Focus Basis
Canon: from focal plane
Introduced
2013