The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang MF 14mm F2.8 Mk2 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. Samyang MF 14mm F2.8 Mk2 is the longer of the two lenses at 96mm. The 7artisans 12mm F2.8 with a length of 66mm, is 30mm shorter. Besides being longer, the Samyang MF 14mm F2.8 Mk2 also has a larger diameter of 87mm compared to the 7artisans 12mm F2.8's 63mm 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 12mm F2.8 weighs 295g, 54% (354g) lighter than the Samyang MF 14mm F2.8 Mk2's weight of 649g.
Lens Mounts
The Samyang MF 14mm F2.8 Mk2 has the Sony E lens mount whereas the 7artisans 12mm F2.8 has the Fujifilm X lens mount. Some of the latest released cameras that are compatible with these mounts are Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount and Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount.
Samyang MF 14mm F2.8 Mk2 is also available in the Canon EF , Canon EF-M, Fujifilm X, Micro Four Thirds and Nikon F (FX) mounts.
7artisans 12mm F2.8 is also available in Canon EF-M and Sony E mounts.
Focal Range
Samyang MF 14mm F2.8 Mk2 is a prime lens with fixed focal lenght of 14mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
21mm.
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.
