The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 100mm F2.8 Macro and the Samyang 85mm F1.8 ED UMC CS 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 Macro is the longer of the two lenses at 148mm. The Samyang 85mm F1.8 ED UMC CS with a length of 81mm, is 67mm shorter. Besides being longer, the Sony FE 100mm F2.8 Macro also has a larger diameter of 81mm compared to the Samyang 85mm F1.8 ED UMC CS's 68mm diameter.
Below you can find a scaled side-by-side image of Sony FE 100mm F2.8 Macro and Samyang 85mm F1.8 ED UMC CS to get a better idea of how their sizes compare in real life.
Comparison image of the Sony FE 100mm F2.8 Macro and the Samyang 85mm F1.8 ED UMC CS 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 85mm F1.8 ED UMC CS weighs 344g, 46% (302g) lighter than the Sony FE 100mm F2.8 Macro's weight of 646g.
Filter Threads
The Sony FE 100mm F2.8 Macro has a filter size of 67mm whereas the Samyang 85mm F1.8 ED UMC CS has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Sony FE 100mm F2.8 Macro:
And these are the 62mm filters that we recommend for the Samyang 85mm F1.8 ED UMC CS:
Lens Mounts
Both the Sony FE 100mm F2.8 Macro and the Samyang 85mm F1.8 ED UMC CS 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 .
Canon EF-M and Fujifilm X mounts.
Focal Range
Sony FE 100mm F2.8 Macro 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 .
On the other hand, the Samyang 85mm F1.8 ED UMC CS is a prime lens with fixed focal lenght of 85mm which has an effective (full-frame 35mm equivalent) focal range of 127.5mm when used on a APS-C / DX format camera.
