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 Zeiss Milvus 25mm F1.4 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. Zeiss Milvus 25mm F1.4 is the longer of the two lenses at 123mm. The Sony FE 24mm F1.4 GM with a length of 92mm, is 31mm shorter. Besides being longer, the Zeiss Milvus 25mm F1.4 also has a larger diameter of 95mm compared to the Sony FE 24mm F1.4 GM's 75mm diameter.
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Below you can find a scaled side-by-side image of Sony FE 24mm F1.4 GM and Zeiss Milvus 25mm F1.4 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 F1.4 GM weighs 445g, which means it is 780g (63%) lighter than the Zeiss Milvus 25mm F1.4 which has a weight of 1225g.
Filter Threads
The Sony FE 24mm F1.4 GM has a filter size of 67mm whereas the Zeiss Milvus 25mm F1.4 has a 82mm 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 82mm filters that we recommend for the Zeiss Milvus 25mm F1.4:
Lens Mounts
The Sony FE 24mm F1.4 GM has the Sony E lens mount whereas the Zeiss Milvus 25mm F1.4 has the Nikon F (FX) 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 Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Zeiss Milvus 25mm F1.4 is also available in Canon EF 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 Zeiss Milvus 25mm F1.4 is a prime lens with fixed focal lenght of 25mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 37.5mm.