Super-telephoto focal length range of 100-400mm
17 lens elements arranged in 14 groups
Filter thread specification of 77mm
Fluorite and Super UD (Ultra-Low Dispersion) glass elements
Floating focusing mechanism for sharp images at any focusing distance
EF 100-400mm f/4.5-5.6L IS USM
The EF 100-400mm f/4.5-5.6L IS USM is a fantastic lens with a range of features that makes it ideal for sports, wildlife and other tele requirements. Not only does it come with an excellent 100-400mm focal length range but additionally it is compatible with Canons Extender EF 1.4x II and 2x II giving it a fantastic range of up to 560mm (1.4x II) and 800mm (2x II). The presence of fluorite and Super-UD (Ultra-Low Dispersion) glass elements suppress chromatic aberrations common at such long focal ranges.
L-series super telephoto zoom lens equipped with an Image Stabilizer. The fluorite and Super UD-glass elements largely eliminate secondary spectrum. The floating system also ensures high picture quality at all focal lengths. The Image Stabilizer has two modes and it is compatible with Extenders 1.4x II and 2x II.
Focal Length & Maximum Aperture
17 elements in 14 groups
Diagonal Angle of View
24° - 6° 10'
Rear focusing system with USM
Closest Focusing Distance
1.8m/ 5.9 ft.
Linear extension Type
Max. Diameter x Length, Weight
3.6" x 7.4", 3.1 lbs. / 92mm x 189mm, 1,380g