The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 28-70mm F2.0 GM and the Sigma 24-70 F2.8 DG DN Art 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 28-70mm F2.0 GM is the longer of the two lenses at 140mm. The Sigma 24-70 F2.8 DG DN Art with a length of 123mm, is 17mm shorter. Besides being longer, the Sony FE 28-70mm F2.0 GM also has a larger diameter of 93mm compared to the Sigma 24-70 F2.8 DG DN Art's 88mm diameter.
Below you can find a scaled side-by-side image of Sony FE 28-70mm F2.0 GM and Sigma 24-70 F2.8 DG DN Art to get a better idea of how their sizes compare in real life.
Comparison image of the Sony FE 28-70mm F2.0 GM and the Sigma 24-70 F2.8 DG DN Art Size and Weight 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 24-70 F2.8 DG DN Art weighs 835g, 9% (83g) lighter than the Sony FE 28-70mm F2.0 GM's weight of 918g.
Below you can find the dimension and weight table of the Standard Zoom Lenses in Sony E Mount for size comparison purposes.
Standard Sony E Mount
Filter Threads
The Sony FE 28-70mm F2.0 GM has a filter size of 86mm whereas the Sigma 24-70 F2.8 DG DN Art has a 82mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 86mm filters that we recommend you to consider for the Sony FE 28-70mm F2.0 GM:
And these are the 82mm filters that we recommend for the Sigma 24-70 F2.8 DG DN Art:
Lens Mounts
Both the Sony FE 28-70mm F2.0 GM and the Sigma 24-70 F2.8 DG DN Art has the same Sony E lens mount . Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5 , Sony A7R VI and Sony A7 V .
Leica L mount.
Focal Range
Sony FE 28-70mm F2.0 GM has a focal range of 28-70mm and
2.5X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
42 - 105mm .
On the other hand, the Sigma 24-70 F2.8 DG DN Art has a focal range of 24-70mm and 2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 36 - 105mm .
