The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 30mm F1.4 C and the Sony FE 24mm F2.8 G 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 30mm F1.4 C is the longer of the two lenses at 73mm. The Sony FE 24mm F2.8 G with a length of 45mm, is 28mm shorter. On the other hand, the Sony FE 24mm F2.8 G has a larger diameter of 68mm compared to the Sigma 30mm F1.4 C's 65mm diameter.
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Below you can find a scaled side-by-side image of Sigma 30mm F1.4 C and Sony FE 24mm F2.8 G 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 24mm F2.8 G weighs 162g, 38% (103g) lighter than the Sigma 30mm F1.4 C's weight of 265g.
Filter Threads
The Sigma 30mm F1.4 C has a filter size of 52mm whereas the Sony FE 24mm F2.8 G has a 49mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the Sigma 30mm F1.4 C:
And these are the 49mm filters that we recommend for the Sony FE 24mm F2.8 G:
Lens Mounts
Both the Sigma 30mm F1.4 C and the Sony FE 24mm F2.8 G has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A6700, Sony FX30 and Sony ZV-E10.
Sigma 30mm F1.4 C is also available in Micro Four Thirds , Fujifilm X and Nikon Z mounts.
Focal Range
Sigma 30mm F1.4 C is a prime lens with fixed focal lenght of 30mm which has an effective (full-frame 35mm equivalent) focal range of
45mm when used on a APS-C / DX format camera.
On the other hand, the Sony FE 24mm F2.8 G 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.