The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang MF 85mm F1.4 Mk2 and the Canon RF 85mm F1.2L USM DS 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 RF 85mm F1.2L USM DS is the longer of the two lenses at 117mm. The Samyang MF 85mm F1.4 Mk2 with a length of 75mm, is 42mm shorter. Besides being longer, the Canon RF 85mm F1.2L USM DS also has a larger diameter of 103mm compared to the Samyang MF 85mm F1.4 Mk2's 78mm 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 MF 85mm F1.4 Mk2 weighs 548g, which means it is 647g (54%) lighter than the Canon RF 85mm F1.2L USM DS which has a weight of 1195g.
Filter Threads
The Samyang MF 85mm F1.4 Mk2 has a filter size of 72mm whereas the Canon RF 85mm F1.2L USM DS has a 82mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 72mm filters that we recommend you to consider for the Samyang MF 85mm F1.4 Mk2:
And these are the 82mm filters that we recommend for the Canon RF 85mm F1.2L USM DS:
Lens Mounts
The Samyang MF 85mm F1.4 Mk2 has the Canon EF lens mount whereas the Canon RF 85mm F1.2L USM DS has the Canon RF lens mount. Some of the latest released cameras that are compatible with these mounts are Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount and Canon R6 V, Canon R6 III and Canon C50 for the Canon RF Mount.
Samyang MF 85mm F1.4 Mk2 is also available in the Canon EF-M , Fujifilm X, Micro Four Thirds, Nikon F (FX) and Sony E mounts.
Focal Range
Both lenses have the same focal range of
85mm but while Samyang MF 85mm F1.4 Mk2 has the fastest aperture of
F1.4, the Canon RF 85mm F1.2L USM DS's widest aperture value is
F1.2.