The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 28mm F1.4 DG HSM A and the Canon RF 24-105mm F4L IS 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 28mm F1.4 DG HSM A is the longer of the two lenses at 108mm. The Canon RF 24-105mm F4L IS with a length of 107mm, is 1mm shorter. On the other hand, the Canon RF 24-105mm F4L IS has a larger diameter of 84mm compared to the Sigma 28mm F1.4 DG HSM A's 83mm 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 24-105mm F4L IS weighs 700g, 19% (165g) lighter than the Sigma 28mm F1.4 DG HSM A's weight of 865g.
Filter Threads
Both the Sigma 28mm F1.4 DG HSM A and the Canon RF 24-105mm F4L IS have the same Filter thread size of 77mm.
Below are links to the 77mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Sigma 28mm F1.4 DG HSM A has the Canon EF lens mount whereas the Canon RF 24-105mm F4L IS has the Canon RF lens mount. Some of the latest released cameras that are compatible with these mounts are Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount and Canon R6 V, Canon R6 III and Canon C50 for the Canon RF Mount.
Sigma 28mm F1.4 DG HSM A is also available in the Nikon F (FX) , Sigma SA, Sony E and Leica L mounts.
Focal Range
Sigma 28mm F1.4 DG HSM A is a prime lens with fixed focal lenght of 28mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
44.8mm.
On the other hand, the Canon RF 24-105mm F4L IS has a focal range of 24-105mm and 4.4X 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 - 168mm.
