The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 50mm F1.2L USM and the Canon 50mm f1.4 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 Canon 50mm f1.4 USM with a length of 51mm, is 57mm shorter. Besides being longer, the Canon RF 50mm F1.2L USM also has a larger diameter of 90mm compared to the Canon 50mm f1.4 USM's 74mm 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 50mm f1.4 USM weighs 290g, 69% (660g) lighter than the Canon RF 50mm F1.2L USM's weight of 950g.
Filter Threads
The Canon RF 50mm F1.2L USM has a filter size of 77mm whereas the Canon 50mm f1.4 USM has a 58mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Canon RF 50mm F1.2L USM:
And these are the 58mm filters that we recommend for the Canon 50mm f1.4 USM:
Lens Mounts
The Canon RF 50mm F1.2L USM has the Canon RF lens mount whereas the Canon 50mm f1.4 USM 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.
Focal Range
Both lenses have the same focal range of
50mm but while Canon RF 50mm F1.2L USM has the fastest aperture of
F1.2, the Canon 50mm f1.4 USM's widest aperture value is
F1.4.
