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 HSM and the Sony FE 16-35mm F2.8 GM 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 HSM is the longer of the two lenses at 135mm. The Sony FE 16-35mm F2.8 GM with a length of 122mm, is 13mm shorter. Besides being longer, the Sigma 14-24mm F2.8 DG HSM also has a larger diameter of 96mm compared to the Sony FE 16-35mm F2.8 GM's 89mm 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. Sony FE 16-35mm F2.8 GM weighs 680g, 40% (470g) lighter than the Sigma 14-24mm F2.8 DG HSM's weight of 1150g.
Lens Mounts
The Sigma 14-24mm F2.8 DG HSM has the Sigma SA lens mount whereas the Sony FE 16-35mm F2.8 GM has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are Sigma SD1 Merrill, Sigma SD1 and for the Sigma SA Mount and Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount.
Sigma 14-24mm F2.8 DG HSM is also available in the Canon EF and Nikon F (FX) mounts.
Focal Range
Sigma 14-24mm F2.8 DG HSM has a focal range of 14-24mm and
1.7X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
21-36mm when used on a 35mm FF format camera.
On the other hand, the 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 a 35mm (FF) equivalent of 24 - 52.5mm.
