The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang MF 14mm F2.8 Mk2 and the Sigma 14mm F1.8 DG HSM for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Sigma 14mm F1.8 DG HSM is the longer of the two lenses at 126mm. The Samyang MF 14mm F2.8 Mk2 with a length of 96mm is 30mm shorter. Besides being longer, the Sigma 14mm F1.8 DG HSM also has a larger diameter of 95mm compared to Samyang MF 14mm F2.8 Mk2's 87mm diameter.
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. Samyang MF 14mm F2.8 Mk2 weighs 649g, which means it is 521g (44%) lighter than the Sigma 14mm F1.8 DG HSM which has a weight of 1170g.
Below you can find the dimension and weight table of the 'Wideangle Prime Lenses in Canon EF Mount for size comparison purposes.
Wideangle Prime Lenses in Canon EF Mount for Size Comparison
Both Samyang MF 14mm F2.8 Mk2 and Sigma 14mm F1.8 DG HSM has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Samyang MF 14mm F2.8 Mk2 is also available in Canon EF-M , Fujifilm X, Micro Four Thirds, Nikon F (FX) and Sony E mounts.
Sigma 14mm F1.8 DG HSM is also available in Sigma SA and Nikon F (FX) mounts.