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 135mm F1.8 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. Canon RF 24-70mm F2.8L is the longer of the two lenses at 126mm. The Sigma 135mm F1.8 DG HSM with a length of 115mm, is 11mm shorter. On the other hand, the Sigma 135mm F1.8 DG HSM has a larger diameter of 91mm compared to the Canon RF 24-70mm F2.8L's 89mm diameter.
Below you can find a scaled side-by-side image of Canon RF 24-70mm F2.8L and Sigma 135mm F1.8 DG HSM to get a better idea of how their sizes compare in real life.
Comparison image of the Canon RF 24-70mm F2.8L and the Sigma 135mm F1.8 DG HSM 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 24-70mm F2.8L weighs 900g, which means it is 230g (20%) lighter than the Sigma 135mm F1.8 DG HSM which has a weight of 1130g.
Filter Threads
Both the Canon RF 24-70mm F2.8L and the Sigma 135mm F1.8 DG 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 135mm F1.8 DG HSM has the Sigma SA 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 Sigma Quattro , Sigma Quattro H and Sigma SD1 Merrill for the Sigma SA Mount.
Nikon F (FX) , Canon EF and Sony E mounts.
Focal Range
Canon RF 24-70mm F2.8L has a focal range of 24-70mm and
2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
38.4 - 112mm .
On the other hand, the Sigma 135mm F1.8 DG HSM is a prime lens with fixed focal lenght of 135mm.
