The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 70mm F2.8 DG Macro and the Sigma 85mm F1.4 DG HSM for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is an important deciding factor when comparing two lenses. Sigma 85mm F1.4 DG HSM is the longer of the two lenses at 126mm. The Sigma 70mm F2.8 DG Macro with a length of 106mm, is 20mm shorter. Besides being longer, the Sigma 85mm F1.4 DG HSM also has a larger diameter of 95mm compared to the Sigma 70mm F2.8 DG Macro's 71mm diameter.
Below you can find a scaled side-by-side image of Sigma 70mm F2.8 DG Macro and Sigma 85mm F1.4 DG HSM to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 70mm F2.8 DG Macro and the Sigma 85mm F1.4 DG HSM Size and Weight The weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Sigma 70mm F2.8 DG Macro weighs 515g, which means it is 615g (54%) lighter than the Sigma 85mm F1.4 DG HSM which has a weight of 1130g.
Lens Mounts
Both the Sigma 70mm F2.8 DG Macro and the Sigma 85mm F1.4 DG HSM has the same Sigma SA lens mount. Some of the latest released cameras that are compatible with the Sigma SA lenses are Sigma Quattro, Sigma Quattro H and Sigma SD1 Merrill.
Sigma 70mm F2.8 DG Macro is also available in Canon EF , Nikon F (FX) and Sony E mounts.
Sigma 85mm F1.4 DG HSM is also available in Nikon F (FX) and Canon EF mounts.
Focal Range
Sigma 70mm F2.8 DG Macro is a prime lens with fixed focal lenght of 70mm. Sigma 85mm F1.4 DG HSM is a prime lens with fixed focal lenght of 85mm.