The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon EF-M 15-45mm F3.5-6.3 and the Samyang 12mm f2.0 for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is an important deciding factor when comparing two lenses. Samyang 12mm f2.0 is the longer of the two lenses at 59mm. The Canon EF-M 15-45mm F3.5-6.3 with a length of 45mm, is 14mm shorter. Besides being longer, the Samyang 12mm f2.0 also has a larger diameter of 73mm compared to the Canon EF-M 15-45mm F3.5-6.3's 61mm diameter.
The 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. Canon EF-M 15-45mm F3.5-6.3 weighs 130g, which means it is 130g (50%) lighter than the Samyang 12mm f2.0 which has a weight of 260g.
Both the Canon EF-M 15-45mm F3.5-6.3 and the Samyang 12mm f2.0 has the same Canon EF-M lens mount. Some of the latest released cameras that are compatible with the Canon EF-M lenses are , and .
Samyang 12mm f2.0 is also available in Fujifilm X , Micro Four Thirds, Sony E and Samsung NX mounts.
Canon EF-M 15-45mm F3.5-6.3 has a focal range of 15-45mm and 3.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 22.5-67.5mm when used on a APS-C / DX format camera. Samyang 12mm f2.0 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.