The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 14-24mm F2.8 DG DN Art and the Sony FE 16-35mm F2.8 GM for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Sigma 14-24mm F2.8 DG DN Art is the longer of the two lenses at 131mm. The Sony FE 16-35mm F2.8 GM with a length of 122mm is 9mm shorter. On the other hand, the Sony FE 16-35mm F2.8 GM has a larger diameter of 89mm compared to Sigma 14-24mm F2.8 DG DN Art's 85mm diameter.
Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Sony FE 16-35mm F2.8 GM weighs 680g, 14% (115g) lighter than the Sigma 14-24mm F2.8 DG DN Art's weight of 795g.
Below you can find the dimension and weight table of the 'Wideangle Zoom Lenses in Sony E Mount for size comparison purposes.
Wideangle Zoom Lenses in Sony E Mount for Size Comparison
Lens Mounts
Both Sigma 14-24mm F2.8 DG DN Art and Sony FE 16-35mm F2.8 GM has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A7R V, Sony FX30 and Sony A7 IV.
Sigma 14-24mm F2.8 DG DN Art is also available in Leica L mount.
Focal Range
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 an 35mm (FF) equivalent of 21 - 36mm.
Sony FE 16-35mm F2.8 GM has a focal range of 16-35mm and 2.2X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 24 - 52.5mm.