The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7artisans 12mm F2.8 and the Fujifilm 18mm F2 R 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 18mm F2 R with a length of 41mm, is 25mm shorter. On the other hand, the Fujifilm 18mm F2 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 7artisans 12mm F2.8 and Fujifilm 18mm F2 R 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 18mm F2 R weighs 116g, 60% (179g) lighter than the 7artisans 12mm F2.8's weight of 295g.
Lens Mounts
Both the 7artisans 12mm F2.8 and the Fujifilm 18mm F2 R 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
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.
On the other hand, the Fujifilm 18mm F2 R is a prime lens with fixed focal lenght of 18mm which has an effective (full-frame 35mm equivalent) focal range of 27mm when used on a APS-C / DX format camera.