Design Specifications

Lens construction	18 elements in 12 groups, including diffractive optical elements
Coating	Super Spectra Coating
Diagonal angle of view	34° - 8° 15’
Vertical angle of view	19° 30’ - 4° 35’
Horizontal angle of view	29° - 6° 50’
AF Drive system	Ring USM
Manual focusing	Enabled with focus mode switch and focusing ring (full-time manual focusing)
Focusing range	1.4m to infinity (at all zoom focal lengths)
Maximum magnification (x)	0.06 (Wide); 0.19 (Tele)
Mount type	Canon EF mount
Minimum aperture	f/32-38 (f/32-40) for cameras featuring 1/3-stop increments)
Aperture blades	6 (circular type)
Filter diameter	58mm
Diameter x Length (mm)	82.4 x 99.9
Weight (g)	720
Lens Hood	ET-65B
Lens Cap	E-58U
Lens Case	LP1116
Extension Tube EF12 II	Compatible
Extension Tube EF25 II	Compatible
EF 1.4x II or EF 2x II	Not compatible
Image Stabilizer (IS)	Included; activated by pressing the shutter button halfway
IS modes	Mode 1: normal image stabilization Mode 2: unidirectional image stabilization
IS max. deviation	Approx. 0.9mm
IS max. correction angle	Approx. 0.43° (at telephoto, infinity)