Focal length 135 mm
Aperture range f/2.0 – f/22
Camera Mount Canon EF-Mount (ZE) 
Format compatibility Full Frame
Focusing range 0,80 m (31.49") - ∞
Free working distance 0,62 m (24.40") - ∞
Angular field** (diag. horiz. vert.) 19° | 16° | 11°
Diameter of image field 43 mm (1.69")
Coverage at close range (MOD)** 145 x 96 mm (5.71 x 3.78")
Image ratio at minimum object distance 1 : 4
Lens elements | groups 11 | 8
Flange focal distance ZE: 44 mm (1.73")
Entrance pupil position (front of image plane) 35 mm (1.36")
Filter thread M77 x 0.75
Rotation angle of focusing ring 268°
Diameter max. ZE: 90 mm (3.53")
Diameter of focusing ring ZE: 85 mm (3.35")
Length (with lens caps) ZE: 132 mm (5.20")
Length (without lens caps) ZE: 115 mm (4.53")
Weight ZE: 1123 g (39.6 oz)