The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 70-200 F2.8 DG OS HSM S and the Sigma 70-200mm F2.8 EX DG OS HSM for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Sigma 70-200 F2.8 DG OS HSM S is the longer of the two lenses at 203mm. The Sigma 70-200mm F2.8 EX DG OS HSM with a length of 197mm is 6mm shorter. Besides being longer, the Sigma 70-200 F2.8 DG OS HSM S also has a larger diameter of 94mm compared to Sigma 70-200mm F2.8 EX DG OS HSM's 86mm diameter.
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.
Below you can find the dimension and weight table of the 'Telephoto Zoom Lenses in Sigma SA Mount for size comparison purposes.
Telephoto Zoom Lenses in Sigma SA Mount for Size Comparison
Lens Mounts
Both Sigma 70-200 F2.8 DG OS HSM S and Sigma 70-200mm F2.8 EX DG OS 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 70-200 F2.8 DG OS HSM S is also available in Canon EF and Nikon F (FX) mounts.
Sigma 70-200mm F2.8 EX DG OS HSM is also available in Canon EF , Nikon F (FX), Pentax KAF3 and Sony Alpha mounts.
Focal Range
Both lenses have the same focal range of 70-200mm and the fastest aperture of F2.8.