The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 135mm F1.8 GM 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. Sony FE 135mm F1.8 GM is the longer of the two lenses at 127mm. The Sigma 135mm F1.8 DG HSM with a length of 115mm, is 12mm shorter. On the other hand, the Sigma 135mm F1.8 DG HSM has a larger diameter of 91mm compared to the Sony FE 135mm F1.8 GM's 90mm diameter.
Below you can find a scaled side-by-side image of Sony FE 135mm F1.8 GM and Sigma 135mm F1.8 DG HSM to get a better idea of how their sizes compare in real life.
Comparison image of the Sony FE 135mm F1.8 GM and the Sigma 135mm F1.8 DG HSM Size and Weight 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. Sony FE 135mm F1.8 GM weighs 950g, which means it is 180g (15%) lighter than the Sigma 135mm F1.8 DG HSM which has a weight of 1130g.
Filter Threads
Both the Sony FE 135mm F1.8 GM 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
The Sony FE 135mm F1.8 GM has the Sony E lens mount whereas the Sigma 135mm F1.8 DG HSM has the Canon EF lens mount . Some of the latest released cameras that are compatible with these mounts are Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount and Blackmagic URSA 12K LF , Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Sigma 135mm F1.8 DG HSM is also available in Sigma SA , Nikon F (FX) and Sony E mounts.
Focal Range
Both lenses have the same focal range of
135mm and the fastest aperture of
F1.8 .