Fixed focal length of 135mm
Lens elements contain two UD (Ultra-low Dispersion) glass elements
10 lens elements arranged in 8 groups
Rear focusing mechanism with USM (Ultra-sonic motor)
Filter thread specification of 72mm
EF 135mm f/2L USM
Fast max aperture of f/2 and a medium tele-photo focal length of 135mm makes the lens suitable for fast action and even portrait photography. The f/2 fast aperture creates an excellent background blur (bokeh). The lens is compatible with Canons Extender EF 1.4x II and the 2x II further extending its focal length range.
The fastest 135mm telephoto lens in its class. Ideal for indoor sports and portraits with background blur. Two UD-glass elements correct secondary spectrum for outstanding sharpness and color. Compatible with Extender EF 1.4x II and 2x II.
Focal Length & Maximum Aperture
10 elements in 8 groups
Diagonal Angle of View
Rear focusing system with USM
Closest Focusing Distance
0.9m / 3 ft.
Max. Diameter x Length, Weight
3.2" x 4.4", 1.7 lbs. / 82.5 x 112.0mm, 750g