The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 16-35mm F2.8 GM II and the Sigma 14-24mm F2.8 DG 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 14-24mm F2.8 DG HSM is the longer of the two lenses at 135mm. The Sony FE 16-35mm F2.8 GM II with a length of 112mm, is 23mm 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 II'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. Sony FE 16-35mm F2.8 GM II weighs 547g, which means it is 603g (52%) lighter than the Sigma 14-24mm F2.8 DG HSM which has a weight of 1150g.
Lens Mounts
The Sony FE 16-35mm F2.8 GM II has the Sony E lens mount whereas the Sigma 14-24mm F2.8 DG HSM has the Sigma SA lens mount. Some of the latest released cameras that are compatible with these mounts are Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount and Sigma SD1 Merrill, Sigma SD1 and for the Sigma SA Mount.
Sigma 14-24mm F2.8 DG HSM is also available in Canon EF and Nikon F (FX) mounts.
Focal Range
Sony FE 16-35mm F2.8 GM II 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.
On the other hand, the 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.
