The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 28-70mm F2.8 DG DN and the Sony FE 24-70mm F4 OSS 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 28-70mm F2.8 DG DN is the longer of the two lenses at 102mm. The Sony FE 24-70mm F4 OSS with a length of 95mm, is 7mm shorter. On the other hand, the Sony FE 24-70mm F4 OSS has a larger diameter of 73mm compared to the Sigma 28-70mm F2.8 DG DN's 72mm diameter.
Below you can find a scaled side-by-side image of Sigma 28-70mm F2.8 DG DN and Sony FE 24-70mm F4 OSS to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 28-70mm F2.8 DG DN and the Sony FE 24-70mm F4 OSS 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. Sony FE 24-70mm F4 OSS weighs 426g, 9% (44g) lighter than the Sigma 28-70mm F2.8 DG DN's weight of 470g.
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
Both the Sigma 28-70mm F2.8 DG DN and the Sony FE 24-70mm F4 OSS have the same Filter thread size of 67mm .
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 28-70mm F2.8 DG DN and the Sony FE 24-70mm F4 OSS 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 .
Focal Range
Sigma 28-70mm F2.8 DG DN 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 Sony FE 24-70mm F4 OSS 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 .
