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 HD Pentax-D FA 50mm F1.4 SDM AW 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 HD Pentax-D FA 50mm F1.4 SDM AW with a length of 106mm, is 2mm shorter. Besides being longer, the Canon RF 50mm F1.2L USM also has a larger diameter of 90mm compared to the HD Pentax-D FA 50mm F1.4 SDM AW's 80mm diameter.
Below you can find a scaled side-by-side image of Canon RF 50mm F1.2L USM and HD Pentax-D FA 50mm F1.4 SDM AW to get a better idea of how their sizes compare in real life.
Comparison image of the Canon RF 50mm F1.2L USM and the HD Pentax-D FA 50mm F1.4 SDM AW 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. HD Pentax-D FA 50mm F1.4 SDM AW weighs 910g, 4% (40g) lighter than the Canon RF 50mm F1.2L USM's weight of 950g.
Lens Mounts
The Canon RF 50mm F1.2L USM has the Canon RF lens mount whereas the HD Pentax-D FA 50mm F1.4 SDM AW has the Pentax KAF3 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 Pentax K-3 III Mono , Pentax KF and Pentax K-3 III for the Pentax KAF3 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 HD Pentax-D FA 50mm F1.4 SDM AW's widest aperture value is
F1.4 .