Canon EF 400mm f/4.0 DO IS USM Specs

Announced Sep 6, 2000 •
Telephoto prime lens | Canon EF | 7034A002
Principal specifications
Lens type Prime lens
Max Format size 35mm FF
Focal length 400 mm
Image stabilization Yes
Lens mount Canon EF
Maximum aperture F4
Minimum aperture F32
Aperture ring No
Number of diaphragm blades 8
Elements 17
Groups 13
Special elements / coatings Multi-Layer Diffractive Optical (DO) Element
Minimum focus 3.50 m (137.8)
Maximum magnification 0.12×
Autofocus Yes
Motor type Ultrasonic
Full time manual Yes
Focus method Internal
Distance scale Yes
DoF scale Yes
Weight 1940 g (4.28 lb)
Diameter 128 mm (5.04)
Length 233 mm (9.16)
Materials Metal barrel, metal mount
Sealing Yes
Colour Grey and Black
Filter thread 52 mm
Hood product code ET-120
Tripod collar Yes
Optional accessories Lens Case 400
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