Canon  EF
100-400mm f/4.5-5.6 L IS USM


Image size Full frame
35mm film equivalent focal length for APS-C sensor size (mm) 160-640
Angle of view (horzntl, vertl, diagnl) 20° - 5° 10’,14° - 3° 30’, 24° - 6° 10’
Lens construction (elements/groups) 17/14
Special elements / coatings fluorite and Super UD-glass elements largely eliminate secondary spectrum
No. of diaphragm blades 5
Minimum aperture 32-38
Closest focusing distance (m) 1.8 to infinity
Maximum magnification (x) 0.20 (at 400mm)
Image stabilizer Yes
AF actuator USM
(Mechanical full-time manual focusing built-in.)
Filter diameter (mm) 77
Max. diameter x length (mm) 92 x 189
Weight (g) 1380
Magnification - Extension Tube EF12 II 0.25 - 0.03
Magnification - Extension Tube EF25 II 0.35 - 0.07
Lens hood ET-83C
Soft case LZ1324
G.F.Holder III (hood III*) 4
G.F.Holder IV (hood IV*) 5
Extenders EF1.4x II and EF2x II Compatible
* Maximum number of Hood III/IV attachable. In case of zoom lenses, the maximum number applies to the short focal length