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 Canon EF mount lenses.
Lens Mount
Sigma 70mm F2.8 EX DG Macro is compatible with cameras that have Canon EF lens mount.
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.