The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 35mm F1.8 Di VC USD and the Sigma 35mm F1.4 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 35mm F1.4 DG HSM is the longer of the two lenses at 94mm. The Tamron 35mm F1.8 Di VC USD with a length of 81mm is 13mm shorter. On the other hand, the Tamron 35mm F1.8 Di VC USD has a larger diameter of 80mm compared to Sigma 35mm F1.4 DG HSM's 77mm 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. Tamron 35mm F1.8 Di VC USD weighs 480g, which means it is 185g (27%) lighter than the Sigma 35mm F1.4 DG HSM which has a weight of 665g.
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 Tamron 35mm F1.8 Di VC USD and Sigma 35mm F1.4 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.
Tamron 35mm F1.8 Di VC USD is also available in Nikon F (FX) and Sony Alpha mounts.
Sigma 35mm F1.4 DG HSM is also available in Pentax KAF3 , Sony Alpha, Sigma SA, Nikon F (FX) and Leica L mounts.