The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm 14mm F2.8 R and the 7artisans 12mm F2.8 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. 7artisans 12mm F2.8 is the longer of the two lenses at 66mm. The Fujifilm 14mm F2.8 R with a length of 58mm, is 8mm shorter. On the other hand, the Fujifilm 14mm F2.8 R has a larger diameter of 65mm compared to the 7artisans 12mm F2.8's 63mm diameter.
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Below you can find a scaled side-by-side image of Fujifilm 14mm F2.8 R and 7artisans 12mm F2.8 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. Fujifilm 14mm F2.8 R weighs 235g, which means it is 60g (20%) lighter than the 7artisans 12mm F2.8 which has a weight of 295g.
Filter Threads
The Fujifilm 14mm F2.8 R has a filter size of 58mm whereas the 7artisans 12mm F2.8 has a 46mm 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 Fujifilm 14mm F2.8 R:
And these are the 46mm filters that we recommend for the 7artisans 12mm F2.8:
Lens Mounts
Both the Fujifilm 14mm F2.8 R and the 7artisans 12mm F2.8 has the same Fujifilm X lens mount. Some of the latest released cameras that are compatible with the Fujifilm X lenses are Fujifilm X-S20, Fujifilm X-T5 and Fujifilm X-H2.
7artisans 12mm F2.8 is also available in Canon EF-M and Sony E mounts.
Focal Range
Fujifilm 14mm F2.8 R is a prime lens with fixed focal lenght of 14mm which has an effective (full-frame 35mm equivalent) focal range of
21mm when used on a APS-C / DX format camera.
On the other hand, the 7artisans 12mm F2.8 is a prime lens with fixed focal lenght of 12mm which has an effective (full-frame 35mm equivalent) focal range of 18mm when used on a APS-C / DX format camera.