The professional Canon lens. 34-70 mm f/2.8 II Very light use Focal length 24-70 mm, equivalent focal length 38.4-112 mm on Canon APS C cameras Constant maximum aperture F2.8; Minimum F22, Ring-type ultrasonic autofocus motor with full manual focus 82 mm filters, Closest focusing distance: 0.38 m/1.25 ft Image stabilization: No. Focusing adjustment: Inner focusing with USM. Diagonal viewing angle: 84° - 34°. Weight 1.8 lbs