The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 50mm F1.4 AS UMC and the Canon RF 50mm F1.2L 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 RF 50mm F1.2L USM is the longer of the two lenses at 108mm. The Samyang 50mm F1.4 AS UMC with a length of 75mm, is 33mm shorter. Besides being longer, the Canon RF 50mm F1.2L USM also has a larger diameter of 90mm compared to the Samyang 50mm F1.4 AS UMC's 82mm diameter.
Below you can find a scaled side-by-side image of Samyang 50mm F1.4 AS UMC and Canon RF 50mm F1.2L USM to get a better idea of how their sizes compare in real life.
Comparison image of the Samyang 50mm F1.4 AS UMC and the Canon RF 50mm F1.2L USM 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. Samyang 50mm F1.4 AS UMC weighs 535g, which means it is 415g (43%) lighter than the Canon RF 50mm F1.2L USM which has a weight of 950g.
Filter Threads
Both the Samyang 50mm F1.4 AS UMC and the Canon RF 50mm F1.2L 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 50mm F1.4 AS UMC has the Canon EF lens mount whereas the Canon RF 50mm F1.2L USM 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.
Nikon F (FX) , Pentax KAF , Sony Alpha and Sony E mounts.
Focal Range
Both lenses have the same focal range of
50mm but while Samyang 50mm F1.4 AS UMC has the fastest aperture of
F1.4 , the Canon RF 50mm F1.2L USM's widest aperture value is
F1.2 .
