The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 28mm F2 and the Sigma 24mm F3.5 DG DN C 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 28mm F2 is the longer of the two lenses at 60mm. The Sigma 24mm F3.5 DG DN C with a length of 49mm, is 11mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 64mm.
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Below you can find a scaled side-by-side image of Sony FE 28mm F2 and Sigma 24mm F3.5 DG DN C 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 28mm F2 weighs 200g, which means it is 25g (11%) lighter than the Sigma 24mm F3.5 DG DN C which has a weight of 225g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Sony E Mount for size comparison purposes.
Wideangle Lenses in Sony E Mount for Size Comparison
Filter Threads
The Sony FE 28mm F2 has a filter size of 49mm whereas the Sigma 24mm F3.5 DG DN C has a 55mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 49mm filters that we recommend you to consider for the Sony FE 28mm F2:
And these are the 55mm filters that we recommend for the Sigma 24mm F3.5 DG DN C:
Lens Mounts
Both the Sony FE 28mm F2 and the Sigma 24mm F3.5 DG DN C 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 24mm F3.5 DG DN C is also available in Leica L mount.
Focal Range
Sony FE 28mm F2 is a prime lens with fixed focal lenght of 28mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
42mm.
On the other hand, the Sigma 24mm F3.5 DG DN C is a prime lens with fixed focal lenght of 24mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 36mm.