Angle of view (H, V, D): 84 to 34 degrees, 53 to 19 degrees, 74 to 29 degrees
Lens construction: 16 elements in 13 groups
Number of diaphragm blades: 8
Minimum aperture: 22
Closest focusing distance: 1.25 feet
Maximum magnification: 0.29x (at 70mm)
AF actuator: USM
Filter diameter: 77 millimeters
Maximum diameter: 83.2 mm
Maximum length: 123.5 mm
Maximum diameter by length: 83.2 by 123.5 inches
Weight: 950 g
Magnification with Extension Tube EF 12 II: 0.63 to 0.18
Magnification with Extension Tube EF 25 II: 1.25 to 0.40
Lens hood: EW-83F
Soft case: LP1219