The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 14mm F1.8 DG HSM and the Samyang Premium MF 14mm F2.4 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 Premium MF 14mm F2.4 with a length of 109mm is 17mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 95mm.
Below you can find the scaled side by side image of Sigma 14mm F1.8 DG HSM and Samyang Premium MF 14mm F2.4 to get a better idea of how their size compare in real life.
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 Premium MF 14mm F2.4 weighs 791g, 32% (379g) lighter than the Sigma 14mm F1.8 DG HSM's 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 Sigma 14mm F1.8 DG HSM and Samyang Premium MF 14mm F2.4 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.
Sigma 14mm F1.8 DG HSM is also available in Sigma SA and Nikon F (FX) mounts.