The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 24-70mm F4 OSS 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. Sigma 24-70 F2.8 DG DN Art is the longer of the two lenses at 123mm. The Sony FE 24-70mm F4 OSS with a length of 95mm, is 28mm shorter. Besides being longer, the Sigma 24-70 F2.8 DG DN Art also has a larger diameter of 88mm compared to the Sony FE 24-70mm F4 OSS's 73mm diameter.
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Below you can find a scaled side-by-side image of Sony FE 24-70mm F4 OSS and Sigma 24-70 F2.8 DG DN Art to get a better idea of how their sizes compare in real life.
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, which means it is 409g (48%) lighter than the Sigma 24-70 F2.8 DG DN Art which has a weight of 835g.
Below you can find the dimension and weight table of the Standard Zoom Lenses in Sony E Mount for size comparison purposes.
Standard Lenses in Sony E Mount for Size Comparison
Filter Threads
The Sony FE 24-70mm F4 OSS has a filter size of 67mm 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 67mm filters that we recommend you to consider for the Sony FE 24-70mm F4 OSS:
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 24-70mm F4 OSS 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 A9 III, Sony A7C Mark II and Sony A7CR.
Sigma 24-70 F2.8 DG DN Art is also available in Leica L mount.
Focal Range
Both lenses have the same focal range of
24-70mm but while Sony FE 24-70mm F4 OSS has the fastest aperture of
F4.0, the Sigma 24-70 F2.8 DG DN Art's widest aperture value is
F2.8.