Lens
Clens
EF 400mm f/4 DO IS II USM
Full-frame zoom · 2100g
Focal length
400mm
Max Aperture
f/4
Weight
2100g
Min Focus Distance
330cm
Weather Sealed
Yes
Mount: Canon Ef — compatible with all Canon Ef-mount bodies.
Groups
12
AF Motor
Ring Usm
Elements
18
Weight
2100g
Length mm
232.7
IBIS Stops
4
Model Code
EF400MM-F4-DO-IS-II-USM
Stabilized
Yes
Diameter mm
128
Max Aperture
f/4
Min Aperture
f/32
Discontinued
Yes
Min Focus Distance
330cm
Weather Sealed
Yes
Aperture Blades
9
Introduced
2014
Focal Length (Max)
400mm
Focal Length (Min)
400mm
Filter Drop In mm
52
Max Magnification
0.13
Diffractive Optics
Yes