Sigma 50mm F1.4 EX DG HSM is an Auto Focus (AF) Standard Prime
lens with 35mm FF max sensor coverage and it is designed to be used with Pentax KAF3 mount cameras.
Sigma 50mm F1.4 EX DG 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 50mm F1.4 EX DG HSM is 35mm FF.
Sigma 50mm F1.4 EX DG HSM has a fixed focal lenght of 50mm. When mounted on a 35mm FF format camera, it provides an 35mm (FF) equivalent of 50mm.
Sigma 50mm F1.4 EX DG HSM has a max aperture of F1.4 and a minimum aperture of F16.0.