The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 135mm F2.0 ED UMC and the Sony FE 135mm F1.8 GM 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 Samyang 135mm F2.0 ED UMC with a length of 122mm, is 5mm shorter. Besides being longer, the Sony FE 135mm F1.8 GM also has a larger diameter of 90mm compared to the Samyang 135mm F2.0 ED UMC's 82mm diameter.
Below you can find a scaled side-by-side image of Samyang 135mm F2.0 ED UMC and Sony FE 135mm F1.8 GM to get a better idea of how their sizes compare in real life.
Comparison image of the Samyang 135mm F2.0 ED UMC and the Sony FE 135mm F1.8 GM 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. Samyang 135mm F2.0 ED UMC weighs 830g, which means it is 120g (12%) lighter than the Sony FE 135mm F1.8 GM which has a weight of 950g.
Filter Threads
The Samyang 135mm F2.0 ED UMC has a filter size of 77mm whereas the Sony FE 135mm F1.8 GM has a 82mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Samyang 135mm F2.0 ED UMC:
And these are the 82mm filters that we recommend for the Sony FE 135mm F1.8 GM:
Lens Mounts
The Samyang 135mm F2.0 ED UMC has the Fujifilm X lens mount whereas the Sony FE 135mm F1.8 GM has the Sony E lens mount . Some of the latest released cameras that are compatible with these mounts are Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount and Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount.
Canon EF , Canon EF-M , Four Thirds , Micro Four Thirds , Nikon F (FX) , Pentax KAF , Samsung NX , Sony Alpha and Sony E mounts.
Focal Range
Both lenses have the same focal range of
135mm but while Samyang 135mm F2.0 ED UMC has the fastest aperture of
F2 , the Sony FE 135mm F1.8 GM's widest aperture value is
F1.8 .
