Angle of view (horzntl, vertl, diagnl): 40°, 27°, 46°
Lens construction (elements/groups) : 9/8
No. of diaphragm blades : 6
Minimum aperture : 32
Closest focusing distance (m): 0.23
Maximum magnification (x) : 0.50
AF actuator : AFD
Filter diameter (mm): 52
Max. diameter x length (mm) : 67.6 x 63
Weight (g) : 280
Magnification - Extension Tube EF12 II : 0.74 x 0.24
Magnification - Extension Tube EF25 II : 1.04 - 0.54
Lens Cap : E-52 / E-52II