Sigma 70mm F2.8 DG Macro is an Auto Focus (AF) Macro Prime lens with 35mm FF max sensor coverage and it is designed to be used with Sony E mount lenses.
Lens Mount
Sigma 70mm F2.8 DG Macro is compatible with cameras that have Sony E lens mount.
Sensor Coverage
Max sensor coverage of Sigma 70mm F2.8 DG Macro is 35mm FF.
Focal Range
Sigma 70mm F2.8 DG Macro has a fixed focal lenght of 70mm. When mounted on a 35mm FF format camera, it provides an 50mm equivalent of 70mm.
Aperture
Sigma 70mm F2.8 DG Macro has a max aperture of F2.8 and a minimum aperture of F22.