Angle of view (horzntl, vertl, diagnl) : 10, 7, 12 degree
Lens construction (elements/groups) : 9/7
No. of diaphragm blades : 8
Minimum aperture : 32
Closest focusing distance (m) : 1.5
Maximum magnification (x) : 0.16
AF actuator : USM (1)
Filter diameter (mm) : 72
Max. diameter x length (mm) : 83.2 x 136.2
Weight (g) : 765
Magnification - Extension Tube EF12 II : 0.23 - 0.06
Magnification - Extension Tube EF25 II : 0.32 - 0.14
Lens hood : ET-83BII
Zoom Type : Fixed Lens