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 Tokina Firin 100mm F2.8 FE Macro 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. Tokina Firin 100mm F2.8 FE Macro is the longer of the two lenses at 123mm. The Samyang 135mm F2.0 ED UMC with a length of 122mm, is 1mm shorter. On the other hand, the Samyang 135mm F2.0 ED UMC has a larger diameter of 82mm compared to the Tokina Firin 100mm F2.8 FE Macro's 74mm diameter.
Below you can find a scaled side-by-side image of Samyang 135mm F2.0 ED UMC and Tokina Firin 100mm F2.8 FE Macro 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 Tokina Firin 100mm F2.8 FE Macro 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. Tokina Firin 100mm F2.8 FE Macro weighs 570g, 31% (260g) lighter than the Samyang 135mm F2.0 ED UMC's weight of 830g.
Filter Threads
The Samyang 135mm F2.0 ED UMC has a filter size of 77mm whereas the Tokina Firin 100mm F2.8 FE Macro has a 55mm 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 55mm filters that we recommend for the Tokina Firin 100mm F2.8 FE Macro:
Lens Mounts
The Samyang 135mm F2.0 ED UMC has the Samsung NX lens mount whereas the Tokina Firin 100mm F2.8 FE Macro has the Sony E lens mount . Some of the latest released cameras that are compatible with these mounts are Samsung NX500 , Samsung NX1 and Samsung NX3000 for the Samsung NX Mount and Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount.
Samyang 135mm F2.0 ED UMC is also available in the Canon EF , Canon EF-M , Four Thirds , Fujifilm X , Micro Four Thirds , Nikon F (FX) , Pentax KAF , Sony Alpha and Sony E mounts.
Focal Range
Samyang 135mm F2.0 ED UMC is a prime lens with fixed focal lenght of 135mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
202.5mm .
On the other hand, the Tokina Firin 100mm F2.8 FE 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 .