Sigma 40mm F1.4 DG HSM A is an Auto Focus (AF) Standard Prime
lens with 35mm FF max sensor coverage and it is designed to be used with Sigma SA mount cameras.
Sigma 40mm F1.4 DG HSM A is compatible with cameras that have Sigma SA lens mount.Some of the latest released cameras with Sigma SA lens mount are Sigma Quattro
, Sigma Quattro H
and Sigma SD1 Merrill
Max sensor coverage of Sigma 40mm F1.4 DG HSM A is 35mm FF.
Sigma 40mm F1.4 DG HSM A has a fixed focal lenght of 40mm. When mounted on a 35mm FF format camera, it provides an 35mm (FF) equivalent of 40mm.
Sigma 40mm F1.4 DG HSM A has a max aperture of F1.4 and a minimum aperture of F16.