The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 28mm F1.4 DG HSM A and the Sony FE 24mm F1.4 GM 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 28mm F1.4 DG HSM A is the longer of the two lenses at 108mm. The Sony FE 24mm F1.4 GM with a length of 92mm, is 16mm shorter. Besides being longer, the Sigma 28mm F1.4 DG HSM A also has a larger diameter of 83mm compared to the Sony FE 24mm F1.4 GM's 75mm diameter.
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 F1.4 GM weighs 445g, 48% (420g) lighter than the Sigma 28mm F1.4 DG HSM A's weight of 865g.
Filter Threads
The Sigma 28mm F1.4 DG HSM A has a filter size of 77mm whereas the Sony FE 24mm F1.4 GM has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Sigma 28mm F1.4 DG HSM A:
And these are the 67mm filters that we recommend for the Sony FE 24mm F1.4 GM:
Lens Mounts
The Sigma 28mm F1.4 DG HSM A has the Sigma SA lens mount whereas the Sony FE 24mm F1.4 GM has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are Sigma Quattro, Sigma Quattro H and Sigma SD1 Merrill for the Sigma SA Mount and Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount.
Sigma 28mm F1.4 DG HSM A is also available in the Canon EF , Nikon F (FX), Sony E and Leica L mounts.
Focal Range
Sigma 28mm F1.4 DG HSM A is a prime lens with fixed focal lenght of 28mm.
On the other hand, the Sony FE 24mm F1.4 GM 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.
