The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 24-105mm F4 G OSS and the Sigma 12-24mm F4.5-5.6 EX 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. Sony FE 24-105mm F4 G OSS is the longer of the two lenses at 113mm. The Sigma 12-24mm F4.5-5.6 EX DG HSM with a length of 103mm, is 10mm shorter. On the other hand, the Sigma 12-24mm F4.5-5.6 EX DG HSM has a larger diameter of 87mm compared to the Sony FE 24-105mm F4 G OSS's 83mm 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 12-24mm F4.5-5.6 EX DG HSM weighs 600g, 9% (63g) lighter than the Sony FE 24-105mm F4 G OSS's weight of 663g.
Lens Mounts
The Sony FE 24-105mm F4 G OSS has the Sony E lens mount whereas the Sigma 12-24mm F4.5-5.6 EX DG HSM has the Sony Alpha 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 Sony A99 II, Sony A68 and Sony A77 II for the Sony Alpha Mount.
Sigma 12-24mm F4.5-5.6 EX DG HSM is also available in Canon EF , Pentax KAF, Sigma SA and Nikon F (FX) mounts.
Focal Range
Sony FE 24-105mm F4 G OSS has a focal range of 24-105mm and
4.4X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
36 - 157.5mm.
On the other hand, the Sigma 12-24mm F4.5-5.6 EX DG HSM has a focal range of 12-24mm and 2.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 18 - 36mm.
