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 Canon EF 70-200 f2.8L IS II USM 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. Canon EF 70-200 f2.8L IS II USM is the longer of the two lenses at 199mm. The Samyang 135mm F2.0 ED UMC with a length of 122mm, is 77mm shorter. Besides being longer, the Canon EF 70-200 f2.8L IS II USM also has a larger diameter of 89mm compared to the Samyang 135mm F2.0 ED UMC's 82mm diameter.
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 660g (44%) lighter than the Canon EF 70-200 f2.8L IS II USM which has a weight of 1490g.
Filter Threads
Both the Samyang 135mm F2.0 ED UMC and the Canon EF 70-200 f2.8L IS II USM have the same Filter thread size of 77mm.
Below are links to the 77mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Samyang 135mm F2.0 ED UMC has the Micro Four Thirds lens mount whereas the Canon EF 70-200 f2.8L IS II USM has the Canon EF lens mount. Some of the latest released cameras that are compatible with these mounts are OM System OM-3 Astro, OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount and Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Samyang 135mm F2.0 ED UMC is also available in the Canon EF , Canon EF-M, Four Thirds, Fujifilm X, Nikon F (FX), Pentax KAF, Samsung NX, 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 2.0x crop, it provides a 35mm (FF) equivalent of
270mm.
On the other hand, the Canon EF 70-200 f2.8L IS II USM has a focal range of 70-200mm and 2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 112 - 320mm.
