Sigma 70mm F2.8 EX DG Macro is an Auto Focus (AF)
Macro Prime lens with 35mm FF max sensor coverage and it is designed to be used with Sigma SA mount cameras.
Lenses in Sigma SA Mount with Same Focal and Aperture Range
Lens Mount
Sigma 70mm F2.8 EX DG Macro 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.
Sensor Coverage
Max sensor coverage of Sigma 70mm F2.8 EX DG Macro is 35mm FF.
Focal Range
Sigma 70mm F2.8 EX DG Macro has a fixed focal lenght of 70mm. When mounted on a 35mm FF format camera, it provides an 35mm (FF) equivalent of 70mm.
Aperture
Sigma 70mm F2.8 EX DG Macro has a max aperture of F2.8 and a minimum aperture of F22.0.