The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 10mm f2.8 and the Canon 10-22mm f3.5-4.5 USM 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. Canon 10-22mm f3.5-4.5 USM is the longer of the two lenses at 90mm. The Samyang 10mm f2.8 with a length of 77mm, is 13mm shorter. On the other hand, the Samyang 10mm f2.8 has a larger diameter of 86mm compared to the Canon 10-22mm f3.5-4.5 USM's 84mm 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 10-22mm f3.5-4.5 USM weighs 385g, 33% (195g) lighter than the Samyang 10mm f2.8's weight of 580g.
Lens Mounts
The Samyang 10mm f2.8 has the Canon EF lens mount whereas the Canon 10-22mm f3.5-4.5 USM has the Canon EF-S lens mount. Some of the latest released cameras that are compatible with these mounts are Canon T8i, Canon 90D and Canon SL3 for the Canon EF Mount and Canon T8i, Canon 90D and Canon SL3 for the Canon EF-S Mount.
Samyang 10mm f2.8 is also available in the Canon EF-M , Fujifilm X, Nikon F (DX), Four Thirds and Micro Four Thirds mounts.
Focal Range
Samyang 10mm f2.8 is a prime lens with fixed focal lenght of 10mm which has an effective (full-frame 35mm equivalent) focal range of
16mm when used on a APS-C / DX format camera.
On the other hand, the Canon 10-22mm f3.5-4.5 USM has a focal range of 10-22mm and 2.2X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 16-35.2mm when used on a APS-C / DX format camera.
