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 135mm F1.8 DG HSM 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 70-200 F2.8 DG OS HSM S is the longer of the two lenses at 203mm. The Sigma 135mm F1.8 DG HSM with a length of 115mm, is 88mm shorter. Besides being longer, the Sigma 70-200 F2.8 DG OS HSM S also has a larger diameter of 94mm compared to the Sigma 135mm F1.8 DG HSM's 91mm 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 135mm F1.8 DG HSM weighs 1130g, 37% (675g) lighter than the Sigma 70-200 F2.8 DG OS HSM S's weight of 1805g.
Filter Threads
Both the Sigma 70-200 F2.8 DG OS HSM S and the Sigma 135mm F1.8 DG HSM have the same Filter thread size of 82mm.
Below are links to the 82mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 70-200 F2.8 DG OS HSM S and the Sigma 135mm F1.8 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 70-200 F2.8 DG OS HSM S is also available in the Canon EF and Nikon F (FX) mounts.
Sigma 135mm F1.8 DG HSM is also available in Nikon F (FX) , Canon EF and Sony E mounts.
Focal Range
Sigma 70-200 F2.8 DG OS HSM S has a focal range of 70-200mm and
2.9X zoom ratio .
On the other hand, the Sigma 135mm F1.8 DG HSM is a prime lens with fixed focal lenght of 135mm.
