The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony E 30mm F3.5 Macro 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 Sony E 30mm F3.5 Macro with a length of 56mm, is 19mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 62mm.
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 E 30mm F3.5 Macro weighs 138g, which means it is 255g (64%) lighter than the Zeiss Loxia 25mm F2.4 which has a weight of 393g.
Filter Threads
The Sony E 30mm F3.5 Macro has a filter size of 49mm 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 49mm filters that we recommend you to consider for the Sony E 30mm F3.5 Macro:
And these are the 52mm filters that we recommend for the Zeiss Loxia 25mm F2.4:
Lens Mounts
Both the Sony E 30mm F3.5 Macro 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 A6700, Sony FX30 and Sony ZV-E10.
Focal Range
Sony E 30mm F3.5 Macro is a prime lens with fixed focal lenght of 30mm which has an effective (full-frame 35mm equivalent) focal range of
45mm when used on a APS-C / DX format camera.
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.