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 Canon 35mm f2.0 for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is an important deciding factor when comparing two lenses. Tamron 35mm F1.8 Di VC USD is the longer of the two lenses at 81mm. The Canon 35mm f2.0 with a length of 43mm, is 38mm shorter. Besides being longer, the Tamron 35mm F1.8 Di VC USD also has a larger diameter of 80mm compared to the Canon 35mm f2.0's 67mm diameter.
The 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. Canon 35mm f2.0 weighs 210g, 56% (270g) lighter than the Tamron 35mm F1.8 Di VC USD's weight of 480g.
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
Lens Mounts
Both the Tamron 35mm F1.8 Di VC USD and the Canon 35mm f2.0 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.
Focal Range
Both lenses have the same focal range of 35mm but while Tamron 35mm F1.8 Di VC USD has the fastest aperture of F1.8, the Canon 35mm f2.0's widest aperture value is F2.0.