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 Canon EF-M 22mm f2 STM 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 Canon EF-M 22mm f2 STM with a length of 24mm, is 42mm shorter. Besides being longer, the 7artisans 12mm F2.8 also has a larger diameter of 63mm compared to the Canon EF-M 22mm f2 STM's 61mm diameter.
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Below you can find a scaled side-by-side image of 7artisans 12mm F2.8 and Canon EF-M 22mm f2 STM 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. Canon EF-M 22mm f2 STM weighs 105g, 64% (190g) lighter than the 7artisans 12mm F2.8's weight of 295g.
Filter Threads
The 7artisans 12mm F2.8 has a filter size of 46mm whereas the Canon EF-M 22mm f2 STM has a 43mm 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 12mm F2.8:
And these are the 43mm filters that we recommend for the Canon EF-M 22mm f2 STM:
Lens Mounts
Both the 7artisans 12mm F2.8 and the Canon EF-M 22mm f2 STM has the same Canon EF-M lens mount. Some of the latest released cameras that are compatible with the Canon EF-M lenses are Canon M50 II, Canon M200 and Canon M6 MII.
7artisans 12mm F2.8 is also available in Sony E and Fujifilm X 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
19.2mm when used on a APS-C / DX format camera.
On the other hand, the Canon EF-M 22mm f2 STM is a prime lens with fixed focal lenght of 22mm which has an effective (full-frame 35mm equivalent) focal range of 33mm when used on a APS-C / DX format camera.