The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 7-14mm F2.8-3.5 and the Sigma 14mm F1.4 DG DN 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 14mm F1.4 DG DN is the longer of the two lenses at 150mm. The Canon RF 7-14mm F2.8-3.5 with a length of 109mm, is 41mm shorter. Besides being longer, the Sigma 14mm F1.4 DG DN also has a larger diameter of 101mm compared to the Canon RF 7-14mm F2.8-3.5's 77mm diameter.
Below you can find a scaled side-by-side image of Canon RF 7-14mm F2.8-3.5 and Sigma 14mm F1.4 DG DN to get a better idea of how their sizes compare in real life.
Comparison image of the Canon RF 7-14mm F2.8-3.5 and the Sigma 14mm F1.4 DG DN 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 7-14mm F2.8-3.5 weighs 476g, which means it is 694g (59%) lighter than the Sigma 14mm F1.4 DG DN which has a weight of 1170g.
Lens Mounts
The Canon RF 7-14mm F2.8-3.5 has the Canon RF lens mount whereas the Sigma 14mm F1.4 DG DN has the Sony E 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 Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount.
Leica L mount.
Focal Range
Canon RF 7-14mm F2.8-3.5 has a focal range of 7-14mm and
2.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
11.2 - 22.4mm .
On the other hand, the Sigma 14mm F1.4 DG DN is a prime lens with fixed focal lenght of 14mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 21mm .
