The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang Premium MF 85mm F1.2 and the Canon 70-200mm f4L IS 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 70-200mm f4L IS USM is the longer of the two lenses at 172mm. The Samyang Premium MF 85mm F1.2 with a length of 98mm, is 74mm shorter. On the other hand, the Samyang Premium MF 85mm F1.2 has a larger diameter of 93mm compared to the Canon 70-200mm f4L IS USM's 76mm 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. Canon 70-200mm f4L IS USM weighs 760g, 27% (290g) lighter than the Samyang Premium MF 85mm F1.2's weight of 1050g.
Lens Mounts
Both the Samyang Premium MF 85mm F1.2 and the Canon 70-200mm f4L IS USM has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K.
Focal Range
Samyang Premium MF 85mm F1.2 is a prime lens with fixed focal lenght of 85mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
136mm.
On the other hand, the Canon 70-200mm f4L IS 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.