The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 24mm F1.4 DG HSM A and the Samyang T-S 24mm f3.5 for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Samyang T-S 24mm f3.5 is the longer of the two lenses at 112mm. The Sigma 24mm F1.4 DG HSM A with a length of 90mm is 22mm shorter. Besides being longer, the Samyang T-S 24mm f3.5 also has a larger diameter of 86mm compared to Sigma 24mm F1.4 DG HSM A's 85mm 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. Sigma 24mm F1.4 DG HSM A weighs 665g, which means it is 15g (2%) lighter than the Samyang T-S 24mm f3.5 which has a weight of 680g.
Both Sigma 24mm F1.4 DG HSM A and Samyang T-S 24mm f3.5 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 24mm F1.4 DG HSM A is also available in Nikon F (FX) , Sigma SA and Leica L mounts.
Samyang T-S 24mm f3.5 is also available in Nikon F (FX) , Pentax KAF, Sony Alpha and Sony E mounts.