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 14-24mm F2.8 DG HSM 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 14-24mm F2.8 DG HSM is the longer of the two lenses at 135mm. The Canon RF 7-14mm F2.8-3.5 with a length of 109mm, is 26mm shorter. Besides being longer, the Sigma 14-24mm F2.8 DG HSM also has a larger diameter of 96mm compared to the Canon RF 7-14mm F2.8-3.5's 77mm 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 RF 7-14mm F2.8-3.5 weighs 476g, which means it is 674g (58%) lighter than the Sigma 14-24mm F2.8 DG HSM which has a weight of 1150g.
Lens Mounts
The Canon RF 7-14mm F2.8-3.5 has the Canon RF lens mount whereas the Sigma 14-24mm F2.8 DG HSM 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.
Sigma 14-24mm F2.8 DG HSM is also available in Nikon F (FX) and Sigma SA mounts.
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 14-24mm F2.8 DG HSM has a focal range of 14-24mm and 1.7X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 22.4 - 38.4mm.
