The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7artisans 25mm F1.8 and the Zeiss Batis 40mm F2 CF 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 Batis 40mm F2 CF is the longer of the two lenses at 93mm. The 7artisans 25mm F1.8 with a length of 32mm, is 61mm shorter. Besides being longer, the Zeiss Batis 40mm F2 CF also has a larger diameter of 91mm compared to the 7artisans 25mm F1.8's 51mm 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. 7artisans 25mm F1.8 weighs 143g, which means it is 218g (60%) lighter than the Zeiss Batis 40mm F2 CF which has a weight of 361g.
Below you can find the dimension and weight table of the Standard Prime Lenses in Sony E Mount for size comparison purposes.
Standard Lenses in Sony E Mount for Size Comparison
Filter Threads
The 7artisans 25mm F1.8 has a filter size of 46mm whereas the Zeiss Batis 40mm F2 CF 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 46mm filters that we recommend you to consider for the 7artisans 25mm F1.8:
And these are the 67mm filters that we recommend for the Zeiss Batis 40mm F2 CF:
Lens Mounts
Both the 7artisans 25mm F1.8 and the Zeiss Batis 40mm F2 CF has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony ZV-E10 II, Sony A6700 and Sony FX30.
7artisans 25mm F1.8 is also available in the Canon EF-M , Fujifilm X and Micro Four Thirds mounts.
Focal Range
7artisans 25mm F1.8 is a prime lens with fixed focal lenght of 25mm which has an effective (full-frame 35mm equivalent) focal range of
37.5mm when used on a APS-C / DX format camera.
On the other hand, the Zeiss Batis 40mm F2 CF is a prime lens with fixed focal lenght of 40mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 60mm.
