The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang AF 135mm F1.8 FE 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. Samyang AF 135mm F1.8 FE is the longer of the two lenses at 130mm. The Sigma 135mm F1.8 DG HSM with a length of 115mm, is 15mm shorter. Besides being longer, the Samyang AF 135mm F1.8 FE also has a larger diameter of 93mm compared to the Sigma 135mm F1.8 DG HSM's 91mm diameter.
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Below you can find a scaled side-by-side image of Samyang AF 135mm F1.8 FE and Sigma 135mm F1.8 DG HSM to get a better idea of how their sizes compare in real life.
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. Samyang AF 135mm F1.8 FE weighs 772g, which means it is 358g (31%) lighter than the Sigma 135mm F1.8 DG HSM which has a weight of 1130g.
Filter Threads
Both the Samyang AF 135mm F1.8 FE 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 Samyang AF 135mm F1.8 FE has the Sony E lens mount whereas the Sigma 135mm F1.8 DG HSM has the Sigma SA lens mount. Some of the latest released cameras that are compatible with these mounts are Sony A9 III, Sony A7C Mark II and Sony A7CR for the Sony E Mount and Sigma Quattro, Sigma Quattro H and Sigma SD1 Merrill for the Sigma SA Mount.
Sigma 135mm F1.8 DG HSM is also available in Nikon F (FX) , Canon EF and Sony E mounts.
Focal Range
Both lenses have the same focal range of
135mm and the fastest aperture of
F1.8.