Canon 400mm F/2.8 Specs

Performance
Focal Length400mm
ApertureMaximum: f/2.8
Minimum: f/32
Camera Mount TypeCanon EF
Format Compatibility35mm Film / Full-Frame Digital Sensor
Angle of View6° 10'
Minimum Focus Distance8.20' / 2.5 m
Magnification0.17x
Maximum Reproduction Ratio1:5.88
Optical Design17 Elements in 13 Groups
Diaphragm Blades9, Rounded
Features
Image StabilizationYes
AutofocusYes
Tripod CollarYes Removable - rotating
Physical
Filter ThreadDrop-In: 52 mm
Dimensions (DxL)Approx. 6.42 x 13.50" / 163 x 343 mm
Weight6.25 lb / 2840 g