Canon Objective EF-S 10-22mm f/3.5-4.5 USM, 13/10, 16 - 35 mm
Canon Objective EF-S 10-22mm f/3.5-4.5 USM. Lens structure (elements/groups): 13/10, Closest focusing distance: 0.24 m, Focal length range: 16 - 35 mm. Diameter: 8.35 cm, Filter size: 77 mm, Length: 89.8 mm. Magnification: 0.17@22mm