Canon 17-85mm f4-5.6 IS USM is an Auto Focus (AF) Standard Zoom lens with APS-C / DX max sensor coverage and it is designed to be used with Canon EF-S mount lenses.
Canon 17-85mm f4-5.6 IS USM is compatible with cameras that have Canon EF-S lens mount.
Max sensor coverage of Canon 17-85mm f4-5.6 IS USM is APS-C / DX.
Canon 17-85mm f4-5.6 IS USM has a focal range of 17-85mm and 5.0X zoom ratio. When mounted on a APS-C / DX format camera, it provides an 35mm (FF) equivalent of 25.5 - 127.5mm.
Optical Image Stabilization
Canon 17-85mm f4-5.6 IS USM features an optical image stabilization system which helps to reduce the blur that occurs due to shaking during hand-held shooting.
Canon 17-85mm f4-5.6 IS USM has a max aperture of f4 at 17mm and max aperture of f5.6 at 85mm .