The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 23mm F1.4 DC DN C and the Canon RF 24mm F1.8 IS 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 23mm F1.4 DC DN C is the longer of the two lenses at 79mm. The Canon RF 24mm F1.8 IS with a length of 63mm, is 16mm shorter. On the other hand, the Canon RF 24mm F1.8 IS has a larger diameter of 74mm compared to the Sigma 23mm F1.4 DC DN C's 66mm diameter.
Below you can find a scaled side-by-side image of Sigma 23mm F1.4 DC DN C and Canon RF 24mm F1.8 IS to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 23mm F1.4 DC DN C and the Canon RF 24mm F1.8 IS 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, 18% (60g) lighter than the Sigma 23mm F1.4 DC DN C's weight of 330g.
Filter Threads
Both the Sigma 23mm F1.4 DC DN C and the Canon RF 24mm F1.8 IS have the same Filter thread size of 52mm .
Below are links to the 52mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Sigma 23mm F1.4 DC DN C has the Sony E lens mount whereas the Canon RF 24mm F1.8 IS has the Canon RF lens mount . Some of the latest released cameras that are compatible with these mounts are Sony ZV-E10 II , Sony A6700 and Sony FX30 for the Sony E Mount and Canon R6 V , Canon R6 III and Canon C50 for the Canon RF Mount.
Sigma 23mm F1.4 DC DN C is also available in the Leica L and Fujifilm X mounts.
Focal Range
Sigma 23mm F1.4 DC DN C is a prime lens with fixed focal lenght of 23mm which has an effective (full-frame 35mm equivalent) focal range of
34.5mm when used on a APS-C / DX format camera.
On the other hand, the Canon RF 24mm F1.8 IS is a prime lens with fixed focal lenght of 24mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 38.4mm .