The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 28-70mm F2.8 and the Sigma 28-70mm F2.8 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 28-70mm F2.8 DG DN is the longer of the two lenses at 102mm. The Canon RF 28-70mm F2.8 with a length of 92mm, is 10mm shorter. On the other hand, the Canon RF 28-70mm F2.8 has a larger diameter of 77mm compared to the Sigma 28-70mm F2.8 DG DN's 72mm diameter.
Below you can find a scaled side-by-side image of Canon RF 28-70mm F2.8 and Sigma 28-70mm F2.8 DG DN to get a better idea of how their sizes compare in real life.
Comparison image of the Canon RF 28-70mm F2.8 and the Sigma 28-70mm F2.8 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. Sigma 28-70mm F2.8 DG DN weighs 470g, 4% (24g) lighter than the Canon RF 28-70mm F2.8's weight of 494g.
Filter Threads
Both the Canon RF 28-70mm F2.8 and the Sigma 28-70mm F2.8 DG DN have the same Filter thread size of 67mm .
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Canon RF 28-70mm F2.8 has the Canon RF lens mount whereas the Sigma 28-70mm F2.8 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.
Focal Range
Both lenses have the same focal range of
28-70mm and the fastest aperture of
F2.8 .