Sigma APO 180mm F2.8 EX DG OS HSM 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.
Lens Mount
Sigma APO 180mm F2.8 EX DG OS HSM 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 APO 180mm F2.8 EX DG OS HSM is 35mm FF.
Focal Range
Sigma APO 180mm F2.8 EX DG OS HSM has a fixed focal lenght of 180mm. When mounted on a 35mm FF format camera, it provides an 35mm (FF) equivalent of 180mm.
Optical Image Stabilization
Sigma APO 180mm F2.8 EX DG OS HSM features an optical image stabilization system which helps to reduce the blur that occurs due to shaking during hand-held shooting.
Aperture
Sigma APO 180mm F2.8 EX DG OS HSM has a max aperture of F2.8 and a minimum aperture of F22.0.