The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 24mm F2.8 Di III OSD M1:2 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. Tamron 24mm F2.8 Di III OSD M1:2 is the longer of the two lenses at 64mm. The Canon EF-M 22mm f2 STM with a length of 24mm, is 40mm shorter. Besides being longer, the Tamron 24mm F2.8 Di III OSD M1:2 also has a larger diameter of 73mm compared to the Canon EF-M 22mm f2 STM's 61mm 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. Canon EF-M 22mm f2 STM weighs 105g, 51% (110g) lighter than the Tamron 24mm F2.8 Di III OSD M1:2's weight of 215g.
Filter Threads
The Tamron 24mm F2.8 Di III OSD M1:2 has a filter size of 67mm 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 67mm filters that we recommend you to consider for the Tamron 24mm F2.8 Di III OSD M1:2:
And these are the 43mm filters that we recommend for the Canon EF-M 22mm f2 STM:
Lens Mounts
The Tamron 24mm F2.8 Di III OSD M1:2 has the Sony E lens mount whereas the Canon EF-M 22mm f2 STM has the Canon EF-M 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 , and for the Canon EF-M Mount.
Focal Range
Tamron 24mm F2.8 Di III OSD M1:2 is a prime lens with fixed focal lenght of 24mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
36mm.
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.
