The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 12-24mm F4 G 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 12-24mm F4 G is the longer of the two lenses at 117mm. The Sigma 12-24mm F4.5-5.6 EX DG HSM with a length of 103mm, is 14mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 87mm.
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 12-24mm F4 G weighs 565g, which means it is 35g (5%) lighter than the Sigma 12-24mm F4.5-5.6 EX DG HSM which has a weight of 600g.
Lens Mounts
The Sony FE 12-24mm F4 G 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
Both lenses have the same focal range of
12-24mm but while Sony FE 12-24mm F4 G has the fastest aperture of
F4, the Sigma 12-24mm F4.5-5.6 EX DG HSM's widest aperture value is
F4.5 - F5.6.