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
Size of a lens is an important deciding factor 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 7artisans 12mm F2.8's 63mm diameter.
Below you can find the scaled side by side image of 7artisans 12mm F2.8 and Fujifilm 18mm F2 R to get a better idea of how their size compare in real life.
Comparison image of 7artisans 12mm F2.8 and Fujifilm 18mm F2 R Size and Weight Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Fujifilm 18mm F2 R weighs 116g, 60% (179g) lighter than the 7artisans 12mm F2.8's weight of 295g.
Below you can find the dimension and weight table of the 'Wideangle Prime Lenses in Fujifilm X Mount for size comparison purposes.
Wideangle Prime Lenses in Fujifilm X Mount for Size Comparison
Lens Mounts
Both 7artisans 12mm F2.8 and 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-T5, Fujifilm X-H2 and Fujifilm X-H2S.
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. 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.