The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 24mm F1.4 GM and the Leica Elmarit-M 28mm f2.8 ASPH 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 24mm F1.4 GM is the longer of the two lenses at 92mm. The Leica Elmarit-M 28mm f2.8 ASPH with a length of 30mm, is 62mm shorter. Besides being longer, the Sony FE 24mm F1.4 GM also has a larger diameter of 75mm compared to the Leica Elmarit-M 28mm f2.8 ASPH's 52mm 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. Leica Elmarit-M 28mm f2.8 ASPH weighs 180g, 59% (265g) lighter than the Sony FE 24mm F1.4 GM's weight of 445g.
Filter Threads
The Sony FE 24mm F1.4 GM has a filter size of 67mm whereas the Leica Elmarit-M 28mm f2.8 ASPH has a 39mm 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 24mm F1.4 GM:
And these are the 39mm filters that we recommend for the Leica Elmarit-M 28mm f2.8 ASPH:
Lens Mounts
The Sony FE 24mm F1.4 GM has the Sony E lens mount whereas the Leica Elmarit-M 28mm f2.8 ASPH has the Leica M lens mount. Some of the latest released cameras that are compatible with these mounts are Sony A9 III, Sony A7C Mark II and Sony A7CR for the Sony E Mount and Leica M11 Monochrome, Leica M11 and Leica M10 for the Leica M Mount.
Focal Range
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.
On the other hand, the Leica Elmarit-M 28mm f2.8 ASPH is a prime lens with fixed focal lenght of 28mm.