Sigma 105mm 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 Sony Alpha mount cameras.
Sigma 105mm F2.8 EX DG Macro is compatible with cameras that have Sony Alpha
lens mount. Some of the latest released cameras with Sony Alpha lens mount are Sony A99 II
, Sony A68
and Sony A77 II
Max sensor coverage of Sigma 105mm F2.8 EX DG Macro is 35mm FF
Sigma 105mm F2.8 EX DG Macro has a fixed focal lenght of 105mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 157.5mm.
Optical Image Stabilization
Sigma 105mm F2.8 EX DG Macro doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Sigma 105mm F2.8 EX DG Macro has a max aperture of F2.8.
Sigma 105mm F2.8 EX DG Macro's optical formula consists of 11 elements in 10 groups.