The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 50mm F1.4 DG HSM A and the Canon 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. Sigma 50mm F1.4 DG HSM A is the longer of the two lenses at 100mm. The Canon 50mm f1.2L USM with a length of 66mm, is 34mm shorter. On the other hand, the Canon 50mm f1.2L USM has a larger diameter of 86mm compared to the Sigma 50mm F1.4 DG HSM A's 85mm 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 f1.2L USM weighs 580g, 28% (235g) lighter than the Sigma 50mm F1.4 DG HSM A's weight of 815g.
Filter Threads
The Sigma 50mm F1.4 DG HSM A has a filter size of 77mm whereas the Canon 50mm f1.2L USM 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 77mm filters that we recommend you to consider for the Sigma 50mm F1.4 DG HSM A:
And these are the 72mm filters that we recommend for the Canon 50mm f1.2L USM:
Lens Mounts
The Sigma 50mm F1.4 DG HSM A has the Leica L lens mount whereas the Canon 50mm f1.2L USM has the Canon EF lens mount. Some of the latest released cameras that are compatible with these mounts are Leica SL3-P, Panasonic S1 II and Panasonic S1 IIE for the Leica L Mount and Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Sigma 50mm F1.4 DG HSM A is also available in the Canon EF , Sony Alpha, Sigma SA and Nikon F (FX) mounts.
Focal Range
Both lenses have the same focal range of
50mm but while Sigma 50mm F1.4 DG HSM A has the fastest aperture of
F1.4, the Canon 50mm f1.2L USM's widest aperture value is
F1.2.
