The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 24-70mm F2.8L and the Sigma 24-70mm F2.8 DG OS 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. Canon RF 24-70mm F2.8L is the longer of the two lenses at 126mm. The Sigma 24-70mm F2.8 DG OS HSM with a length of 108mm, is 18mm shorter. Besides being longer, the Canon RF 24-70mm F2.8L also has a larger diameter of 89mm compared to the Sigma 24-70mm F2.8 DG OS HSM's 88mm 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 24-70mm F2.8L weighs 900g, which means it is 120g (11%) lighter than the Sigma 24-70mm F2.8 DG OS HSM which has a weight of 1020g.
Filter Threads
Both the Canon RF 24-70mm F2.8L and the Sigma 24-70mm F2.8 DG OS HSM have the same Filter thread size of 82mm.
Below are links to the 82mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Canon RF 24-70mm F2.8L has the Canon RF lens mount whereas the Sigma 24-70mm F2.8 DG OS 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 24-70mm F2.8 DG OS HSM is also available in Sigma SA and Nikon F (FX) mounts.
Focal Range
Both lenses have the same focal range of
24-70mm and the fastest aperture of
F2.8.
