The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 300mm f6.3 and the Canon EF-M 18-55mm f3.5-5.6 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 300mm f6.3 is the longer of the two lenses at 74mm. The Canon EF-M 18-55mm f3.5-5.6 with a length of 61mm, is 13mm shorter. Besides being longer, the Samyang 300mm f6.3 also has a larger diameter of 65mm compared to the Canon EF-M 18-55mm f3.5-5.6'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 18-55mm f3.5-5.6 weighs 210g, 33% (108g) lighter than the Samyang 300mm f6.3's weight of 318g.
Lens Mounts
Both the Samyang 300mm f6.3 and the Canon EF-M 18-55mm f3.5-5.6 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 300mm f6.3 is also available in Fujifilm X , Micro Four Thirds and Sony E mounts.
Focal Range
Samyang 300mm f6.3 is a prime lens with fixed focal lenght of 300mm which has an effective (full-frame 35mm equivalent) focal range of
450mm when used on a APS-C / DX format camera.
On the other hand, the Canon EF-M 18-55mm f3.5-5.6 has a focal range of 18-55mm and 3.1X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27-82.5mm when used on a APS-C / DX format camera.