The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang AF 24mm F1.8 FE and the Zeiss Loxia 25mm F2.4 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 Loxia 25mm F2.4 is the longer of the two lenses at 75mm. The Samyang AF 24mm F1.8 FE with a length of 72mm, is 3mm shorter. On the other hand, the Samyang AF 24mm F1.8 FE has a larger diameter of 65mm compared to the Zeiss Loxia 25mm F2.4's 62mm 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. Samyang AF 24mm F1.8 FE weighs 230g, which means it is 163g (41%) lighter than the Zeiss Loxia 25mm F2.4 which has a weight of 393g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Sony E Mount for size comparison purposes.
Wideangle Lenses in Sony E Mount for Size Comparison
Filter Threads
The Samyang AF 24mm F1.8 FE has a filter size of 58mm whereas the Zeiss Loxia 25mm F2.4 has a 52mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 58mm filters that we recommend you to consider for the Samyang AF 24mm F1.8 FE:
And these are the 52mm filters that we recommend for the Zeiss Loxia 25mm F2.4:
Lens Mounts
Both the Samyang AF 24mm F1.8 FE and the Zeiss Loxia 25mm F2.4 has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A9 III, Sony A7C Mark II and Sony A7CR.
Focal Range
Samyang AF 24mm F1.8 FE 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 Loxia 25mm F2.4 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.