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