Focal Length : 10 - 22mm
Maximum Aperture : 3.5-4.5
Minimum aperture : 22-27 (22-29 for cameras featuring 1/3-stop increments)
Lens Construction : 13 elements in 10 groups
Diagonal Angle of View : 107o 30' - 63o 30'
Focus Adjustment : Inner focusing system, with focusing cam
Closest Focusing Distance : 0.24m / 0.79 ft.
Zoom System : Ring USM
Filter Size : 77mm
Dimensions (D x L) : 83.5 x 89.8mm (3.3" x 3.5")
Weight : 385g (13.6 oz)

Dust cup
Lens cap