Canon EF 400mm f/4 DO IS II USM Review
March 29, 2016
|
Jack Baker
|

Specifications
OPTICAL FEATURES/SPECIFICATIONS
Image size
-
35mm film equivalent focal length (mm)
-
Angle of view (horzntl, vertl, diagnl)
5°10', 3°30', 6°10'
Lens construction (elements/groups)
18/12
No. of diaphragm blades
9
Minimum aperture
32
Closest focussing distance (m)
3.3
Maximum magnification (x)
0.13
Distance Information
Yes
Image stabilizer
4 stops
AF actuator
Ring USM¹
PHYSICAL SPECIFICATIONS
Dust/moisture resistance*
Yes
Filter diameter (mm)
52 Drop in
Max. diameter x length (mm)
128 x 232.7
Weight (g)
2100
ACCESSORIES
Lens cap
E-145C
Lens hood
ET-120 (WII)
Lens case/pouch
Lens Case 400D
Rear cap
Lens Dust Cap E
Magnification w/ Extension Tube EF12 II
0.17-0.03
Magnification w/ Extension Tube EF25 II
0.22-0.07
Extender Compatiblity
Compatible
Other Accessories
Canon drop-in 52mm filters
SPECIFICATIONS WITH EF 1.4X III
Focal Length
560
Maximum Aperture
5.6-45
Maximum Magnification
0.18
AF Possible
Yes
IS
Yes
SPECIFICATIONS WITH EF 2X III
Focal Length
800
Maximum Aperture
8-64
Maximum Magnification
0.26
AF Possible
Yes¹
IS
Yes²