The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 24-70mm F2.8 GM and the Sigma 24-70mm F2.8 EX DG 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 24-70mm F2.8 GM is the longer of the two lenses at 136mm. The Sigma 24-70mm F2.8 EX DG with a length of 116mm, is 20mm shorter. On the other hand, the Sigma 24-70mm F2.8 EX DG has a larger diameter of 89mm compared to the Sony FE 24-70mm F2.8 GM'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. Sigma 24-70mm F2.8 EX DG weighs 715g, 19% (171g) lighter than the Sony FE 24-70mm F2.8 GM's weight of 886g.
Filter Threads
Both the Sony FE 24-70mm F2.8 GM and the Sigma 24-70mm F2.8 EX DG have the same Filter thread size of 82mm.
Below are links to the 82mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Sony FE 24-70mm F2.8 GM has the Sony E lens mount whereas the Sigma 24-70mm F2.8 EX DG 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 24-70mm F2.8 EX DG 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
24-70mm and the fastest aperture of
F2.8.
