The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang AF 85mm F1.4 FE II and the Sony FE 100mm F2.8 STF 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 100mm F2.8 STF GM is the longer of the two lenses at 118mm. The Samyang AF 85mm F1.4 FE II with a length of 100mm, is 18mm shorter. Besides being longer, the Sony FE 100mm F2.8 STF GM also has a larger diameter of 85mm compared to the Samyang AF 85mm F1.4 FE II's 84mm diameter.
Below you can find a scaled side-by-side image of Samyang AF 85mm F1.4 FE II and Sony FE 100mm F2.8 STF GM to get a better idea of how their sizes compare in real life.
Comparison image of the Samyang AF 85mm F1.4 FE II and the Sony FE 100mm F2.8 STF 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 AF 85mm F1.4 FE II weighs 509g, which means it is 191g (27%) lighter than the Sony FE 100mm F2.8 STF GM which has a weight of 700g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Sony E Mount for size comparison purposes.
Telephoto Sony E Mount
Filter Threads
Both the Samyang AF 85mm F1.4 FE II and the Sony FE 100mm F2.8 STF GM have the same Filter thread size of 72mm .
Below are links to the 72mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Samyang AF 85mm F1.4 FE II and the Sony FE 100mm F2.8 STF GM has the same Sony E lens mount . Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5 , Sony A7R VI and Sony A7 V .
Focal Range
Samyang AF 85mm F1.4 FE II is a prime lens with fixed focal lenght of 85mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
127.5mm .
On the other hand, the Sony FE 100mm F2.8 STF GM is a prime lens with fixed focal lenght of 100mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 150mm .
