The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 15mm f1.4 DG DN Art and the Canon EF 50mm f/1.8 STM 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 15mm f1.4 DG DN Art is the longer of the two lenses at 158mm. The Canon EF 50mm f/1.8 STM with a length of 39mm, is 119mm shorter. Besides being longer, the Sigma 15mm f1.4 DG DN Art also has a larger diameter of 104mm compared to the Canon EF 50mm f/1.8 STM's 69mm diameter.
Below you can find a scaled side-by-side image of Sigma 15mm f1.4 DG DN Art and Canon EF 50mm f/1.8 STM to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 15mm f1.4 DG DN Art and the Canon EF 50mm f/1.8 STM 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 EF 50mm f/1.8 STM weighs 159g, 88% (1201g) lighter than the Sigma 15mm f1.4 DG DN Art's weight of 1360g.
Lens Mounts
The Sigma 15mm f1.4 DG DN Art has the Leica L lens mount whereas the Canon EF 50mm f/1.8 STM has the Canon EF lens mount . Some of the latest released cameras that are compatible with these mounts are Leica SL3-P , Panasonic S1 II and Panasonic S1 IIE for the Leica L 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 15mm f1.4 DG DN Art is also available in the Sony E mount.
Focal Range
Sigma 15mm f1.4 DG DN Art is a prime lens with fixed focal lenght of 15mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
22.5mm .
On the other hand, the Canon EF 50mm f/1.8 STM 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 .