The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 24mm F2.8 G and the Sigma 24mm F1.8 EX DG 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 24mm F1.8 EX DG is the longer of the two lenses at 83mm. The Sony FE 24mm F2.8 G with a length of 45mm, is 38mm shorter. Besides being longer, the Sigma 24mm F1.8 EX DG also has a larger diameter of 84mm compared to the Sony FE 24mm F2.8 G's 68mm 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 F2.8 G weighs 162g, which means it is 323g (66%) lighter than the Sigma 24mm F1.8 EX DG which has a weight of 485g.
Filter Threads
The Sony FE 24mm F2.8 G has a filter size of 49mm whereas the Sigma 24mm F1.8 EX DG has a 77mm 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 24mm F2.8 G:
And these are the 77mm filters that we recommend for the Sigma 24mm F1.8 EX DG:
Lens Mounts
The Sony FE 24mm F2.8 G has the Sony E lens mount whereas the Sigma 24mm F1.8 EX DG has the Canon EF lens mount. Some of the latest released cameras that are compatible with these mounts are Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount and Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Sigma 24mm F1.8 EX DG is also available in Nikon F (FX) , Four Thirds, Pentax KAF, Sony Alpha, Sigma SA, Canon EF, Pentax KAF, Sony Alpha, Sigma SA and Nikon F (FX) mounts.
Focal Range
Both lenses have the same focal range of
24mm but while Sony FE 24mm F2.8 G has the fastest aperture of
F2.8, the Sigma 24mm F1.8 EX DG's widest aperture value is
F1.8.