The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 85mm F1.2L USM and the Rokinon 85mm F1.4 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 is the longer of the two lenses at 117mm. The Rokinon 85mm F1.4 with a length of 75mm, is 42mm shorter. Besides being longer, the Canon RF 85mm F1.2L USM also has a larger diameter of 103mm compared to the Rokinon 85mm F1.4'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. Rokinon 85mm F1.4 weighs 539g, 54% (656g) lighter than the Canon RF 85mm F1.2L USM's weight of 1195g.
Filter Threads
The Canon RF 85mm F1.2L USM has a filter size of 82mm whereas the Rokinon 85mm F1.4 has a 72mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 82mm filters that we recommend you to consider for the Canon RF 85mm F1.2L USM:
And these are the 72mm filters that we recommend for the Rokinon 85mm F1.4:
Lens Mounts
The Canon RF 85mm F1.2L USM has the Canon RF lens mount whereas the Rokinon 85mm F1.4 has the Canon EF lens mount. Some of the latest released cameras that are compatible with these mounts are Canon R6 V, Canon R6 III and Canon C50 for the Canon RF Mount and Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Rokinon 85mm F1.4 is also available in Four Thirds , Pentax KAF, Sony Alpha, Samsung NX and Nikon F (FX) mounts.
Focal Range
Both lenses have the same focal range of
85mm but while Canon RF 85mm F1.2L USM has the fastest aperture of
F1.2, the Rokinon 85mm F1.4's widest aperture value is
F1.4.
