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 Sigma 24-70mm F2.8 DG OS 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. Sigma 15mm f1.4 DG DN Art is the longer of the two lenses at 158mm. The Sigma 24-70mm F2.8 DG OS HSM with a length of 108mm, is 50mm shorter. Besides being longer, the Sigma 15mm f1.4 DG DN Art also has a larger diameter of 104mm compared to the Sigma 24-70mm F2.8 DG OS HSM's 88mm 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 24-70mm F2.8 DG OS HSM weighs 1020g, 25% (340g) 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 Sigma 24-70mm F2.8 DG OS HSM 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.
Sigma 24-70mm F2.8 DG OS HSM is also available in Sigma SA and Nikon F (FX) mounts.
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 Sigma 24-70mm F2.8 DG OS HSM 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.
