Sigma 50-200mm F4-5.6 DC OS HSM is an Auto Focus (AF) Telephoto Zoom
lens with APS-C / DX max sensor coverage and it is designed to be used with Pentax KAF3 mount cameras.
Sigma 50-200mm F4-5.6 DC OS HSM is compatible with cameras that have Pentax KAF3 lens mount.Some of the latest released cameras with Pentax KAF3 lens mount are
Max sensor coverage of Sigma 50-200mm F4-5.6 DC OS HSM is APS-C / DX.
Sigma 50-200mm F4-5.6 DC OS HSM has a focal range of 50-200mm and 4.0X zoom ratio. When mounted on a APS-C / DX format camera, it provides an 35mm (FF) equivalent of 75 - 300mm.
Optical Image Stabilization
Sigma 50-200mm F4-5.6 DC OS HSM features an optical image stabilization system which helps to reduce the blur that occurs due to shaking during hand-held shooting.
Sigma 50-200mm F4-5.6 DC OS HSM has a max aperture of f4 at 50mm and max aperture of f5.6 at 200mm .