Sigma 28mm F1.4 DG HSM A is an Auto Focus (AF) Wideangle Prime lens with 35mm FF max sensor coverage and it is designed to be used with Leica L mount lenses.
Sigma 28mm F1.4 DG HSM A is compatible with cameras that have Leica L lens mount.
Max sensor coverage of Sigma 28mm F1.4 DG HSM A is 35mm FF.
Sigma 28mm F1.4 DG HSM A has a fixed focal lenght of 28mm. When mounted on a 35mm FF format camera, it provides an 35mm (FF) equivalent of 28mm.
Sigma 28mm F1.4 DG HSM A has a max aperture of F1.4 and a minimum aperture of F16.