Sigma 500mm F4.5 EX DG HSM is an Auto Focus (AF) Telephoto Prime
lens with 35mm FF max sensor coverage and it is designed to be used with Pentax KAF mount cameras.
Sigma 500mm F4.5 EX DG HSM is compatible with cameras that have Pentax KAF lens mount.Some of the latest released cameras with Pentax KAF lens mount are Pentax K-3 III
, Pentax K-1 II
and Pentax KP
Max sensor coverage of Sigma 500mm F4.5 EX DG HSM is 35mm FF.
Sigma 500mm F4.5 EX DG HSM has a fixed focal lenght of 500mm. When mounted on a 35mm FF format camera, it provides an 35mm (FF) equivalent of 500mm.
Sigma 500mm F4.5 EX DG HSM has a max aperture of F4.5 and a minimum aperture of F32.0.