The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 50mm F1.4 DG HSM A and the Canon 24-70mm f2.8L USM 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 24-70mm f2.8L USM is the longer of the two lenses at 124mm. The Sigma 50mm F1.4 DG HSM A with a length of 100mm, is 24mm shorter. On the other hand, the Sigma 50mm F1.4 DG HSM A has a larger diameter of 85mm compared to the Canon 24-70mm f2.8L USM'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. Sigma 50mm F1.4 DG HSM A weighs 815g, which means it is 135g (14%) lighter than the Canon 24-70mm f2.8L USM which has a weight of 950g.
Filter Threads
Both the Sigma 50mm F1.4 DG HSM A and the Canon 24-70mm f2.8L USM 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
Both the Sigma 50mm F1.4 DG HSM A and the Canon 24-70mm f2.8L USM has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K.
Sigma 50mm F1.4 DG HSM A is also available in the Sony Alpha , Sigma SA, Nikon F (FX) and Leica L mounts.
Focal Range
Sigma 50mm F1.4 DG HSM A is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
80mm.
On the other hand, the Canon 24-70mm f2.8L USM 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.
