The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Zeiss Loxia 25mm F2.4 and the Tamron 24mm F2.8 Di III OSD M1:2 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 Tamron 24mm F2.8 Di III OSD M1:2 with a length of 64mm, is 11mm shorter. On the other hand, the Tamron 24mm F2.8 Di III OSD M1:2 has a larger diameter of 73mm 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. Tamron 24mm F2.8 Di III OSD M1:2 weighs 215g, 45% (178g) lighter than the Zeiss Loxia 25mm F2.4's 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 Zeiss Loxia 25mm F2.4 has a filter size of 52mm whereas the Tamron 24mm F2.8 Di III OSD M1:2 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 52mm filters that we recommend you to consider for the Zeiss Loxia 25mm F2.4:
And these are the 67mm filters that we recommend for the Tamron 24mm F2.8 Di III OSD M1:2:
Lens Mounts
Both the Zeiss Loxia 25mm F2.4 and the Tamron 24mm F2.8 Di III OSD M1:2 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
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.
On the other hand, the Tamron 24mm F2.8 Di III OSD M1:2 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.