The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7artisans 10mm f2.8 II E and the Sigma 14-24mm F2.8 DG DN Art 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 14-24mm F2.8 DG DN Art is the longer of the two lenses at 131mm. The 7artisans 10mm f2.8 II E with a length of 95mm, is 36mm shorter. Besides being longer, the Sigma 14-24mm F2.8 DG DN Art also has a larger diameter of 85mm compared to the 7artisans 10mm f2.8 II E's 75mm 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. 7artisans 10mm f2.8 II E weighs 602g, which means it is 193g (24%) lighter than the Sigma 14-24mm F2.8 DG DN Art which has a weight of 795g.
Lens Mounts
Both the 7artisans 10mm f2.8 II E and the Sigma 14-24mm F2.8 DG DN Art has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5, Sony A7R VI and Sony A7 V.
Sigma 14-24mm F2.8 DG DN Art is also available in Leica L mount.
Focal Range
7artisans 10mm f2.8 II E is a prime lens with fixed focal lenght of 10mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
15mm.
On the other hand, the Sigma 14-24mm F2.8 DG DN Art has a focal range of 14-24mm and 1.7X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 21 - 36mm.
