Canon EF 400mm f/2.8L IS USM

Telephoto prime lens | Canon EF
Principal specifications
Lens type Prime lens
Max Format size 35mm FF
Focal length 400 mm
Image stabilisation Yes
Lens mount Canon EF
Aperture
Maximum aperture F2.8
Minimum aperture F32.0
Aperture ring No
Number of diaphragm blades 8
Optics
Elements 17
Groups 13
Focus
Minimum focus 3.00 m (118.11)
Maximum magnification 0.15×
Autofocus Yes
Motor type Ring-type ultrasonic
Full time manual Yes
Focus method Internal
Distance scale Yes
DoF scale Yes
Physical
Weight 5370 g (11.84 lb)
Diameter 163 mm (6.42)
Length 349 mm (13.74)
Materials Magnesium alloy barrel, metal mount
Sealing Yes
Colour Grey and Black
Filter thread 52 mm
Hood product code ET-155
Tripod collar Yes
Optional accessories Lens Case 400
Other
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