The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 24mm F1.8 IS and the Sigma 24mm F1.4 DG HSM A 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 24mm F1.4 DG HSM A is the longer of the two lenses at 90mm. The Canon RF 24mm F1.8 IS with a length of 63mm, is 27mm shorter. Besides being longer, the Sigma 24mm F1.4 DG HSM A also has a larger diameter of 85mm compared to the Canon RF 24mm F1.8 IS's 74mm diameter.
Below you can find a scaled side-by-side image of Canon RF 24mm F1.8 IS and Sigma 24mm F1.4 DG HSM A to get a better idea of how their sizes compare in real life.
Comparison image of the Canon RF 24mm F1.8 IS and the Sigma 24mm F1.4 DG HSM A 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. Canon RF 24mm F1.8 IS weighs 270g, which means it is 395g (59%) lighter than the Sigma 24mm F1.4 DG HSM A which has a weight of 665g.
Filter Threads
The Canon RF 24mm F1.8 IS has a filter size of 52mm whereas the Sigma 24mm F1.4 DG HSM A has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the Canon RF 24mm F1.8 IS:
And these are the 77mm filters that we recommend for the Sigma 24mm F1.4 DG HSM A:
Lens Mounts
The Canon RF 24mm F1.8 IS has the Canon RF lens mount whereas the Sigma 24mm F1.4 DG HSM A 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.
Nikon F (FX) , Sigma SA and Leica L mounts.
Focal Range
Both lenses have the same focal range of
24mm but while Canon RF 24mm F1.8 IS has the fastest aperture of
F1.8 , the Sigma 24mm F1.4 DG HSM A's widest aperture value is
F1.4 .
