The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samsung 20mm F2.8 Pancake 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. Samsung 20mm F2.8 Pancake is the longer of the two lenses at 25mm. The Canon EF-M 22mm f2 STM with a length of 24mm, is 1mm shorter. Besides being longer, the Samsung 20mm F2.8 Pancake also has a larger diameter of 62mm 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. Samsung 20mm F2.8 Pancake weighs 89g, which means it is 16g (15%) lighter than the Canon EF-M 22mm f2 STM which has a weight of 105g.
Filter Threads
Both the Samsung 20mm F2.8 Pancake and the Canon EF-M 22mm f2 STM have the same Filter thread size of 43mm.
Below are links to the 43mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Samsung 20mm F2.8 Pancake has the Samsung NX 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 Samsung NX1, Samsung NX3000 and Samsung NX30 for the Samsung NX Mount and , and for the Canon EF-M Mount.
Focal Range
Samsung 20mm F2.8 Pancake is a prime lens with fixed focal lenght of 20mm which has an effective (full-frame 35mm equivalent) focal range of
30mm 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.
