Canon
Canon EF 400mm F/2.8L IS II USM
Camera Lens
0100
81
✦
▋
General Info
Lens type
prime, telephoto
Lens mount
canon ef
Is weather-sealed (splashproof)
✔ Yes
Has a metal mount
✔ Yes
Weight
3850 g
Front element doesn't rotate
✖ No
Optics
Maximum focal length
400 mm
Minimum focal length
400 mm
Has built-in optical image stabilization
✔ Yes
Maximum angle of view
6 °
Minimum angle of view
6 °
Magnification
0.17 x
Aperture
Wide aperture (main camera)
2.8 f
Widest aperture at maximum focal length
2.8 f
Aperture blades
9
Has rounded aperture blades
✔ Yes
Smallest aperture at maximum focal length
32 f
Smallest aperture at minimum focal length
32 f
Focus
Can focus to infinity
✔ Yes
Has focus motor
✔ Yes
Has full-time manual focus
✔ Yes
Has a silent focus motor built into the lens
✔ Yes
Minimum focus distance
2.7 m
Benchmarks
Sharpness result
12 P-MPix
Chromatic aberration
8 µm
DxOMark score
19
Distortion
0%
Transmission
3.1 TStop
Vignetting
-0.5