The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma APO 180mm F2.8 EX DG OS HSM and the Sigma 70mm F2.8 EX DG Macro for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Sigma APO 180mm F2.8 EX DG OS HSM is the longer of the two lenses at 204mm. The Sigma 70mm F2.8 EX DG Macro with a length of 95mm, is 109mm shorter. Besides being longer, the Sigma APO 180mm F2.8 EX DG OS HSM also has a larger diameter of 95mm compared to the Sigma 70mm F2.8 EX DG Macro's 76mm diameter.
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Sigma 70mm F2.8 EX DG Macro weighs 527g, 67% (1113g) lighter than the Sigma APO 180mm F2.8 EX DG OS HSM's weight of 1640g.
Below you can find the dimension and weight table of the Macro Prime Lenses in Sigma SA Mount for size comparison purposes.
Macro Lenses in Sigma SA Mount for Size Comparison
Lens Mounts
Both the Sigma APO 180mm F2.8 EX DG OS HSM and the Sigma 70mm F2.8 EX DG Macro 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 APO 180mm F2.8 EX DG OS HSM is also available in the Canon EF , Nikon F (FX) and Sony Alpha mounts.
Sigma 70mm F2.8 EX DG Macro is also available in Canon EF , Nikon F (FX), Pentax KAF and Sony Alpha mounts.
Focal Range
Sigma APO 180mm F2.8 EX DG OS HSM is a prime lens with fixed focal lenght of 180mm.
On the other hand, the Sigma 70mm F2.8 EX DG Macro is a prime lens with fixed focal lenght of 70mm.
