Canon EF 400mm F2.8L IS III USM Specs

Announced Sep 5, 2018 •
Telephoto prime lens | Canon EF
Principal specifications
Lens type Prime lens
Max Format size 35mm FF
Focal length 400 mm
Image stabilization Yes
CIPA Image stabilization rating 5 stop(s)
Lens mount Canon EF
Maximum aperture F2.8
Minimum aperture F32
Aperture ring No
Number of diaphragm blades 9
Elements 17
Groups 13
Special elements / coatings Super UD + fluorite elements + Air Sphere + Super Spectra + fluorine coatings
Minimum focus 2.50 m (98.43)
Maximum magnification 0.17×
Autofocus Yes
Motor type Ring-type ultrasonic
Full time manual Yes
Focus method Rear
Distance scale Yes
DoF scale No
Focus distance limiter Yes
Weight 2840 g (6.26 lb)
Diameter 163 mm (6.42)
Length 343 mm (13.5)
Materials Magnesium alloy
Sealing Yes
Filter thread 52 mm
Hood supplied Yes
Tripod collar Yes
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