The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron SP 35mm F1.4 Di USD and the Sigma 35mm F1.4 DG HSM for their suitability to various photography scenarios:
Size and Weight Comparison
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Sigma 35mm F1.4 DG HSM weighs 665g, 17% (140g) lighter than the Tamron SP 35mm F1.4 Di USD's weight of 805g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Canon EF Mount for size comparison purposes.
Wideangle Lenses in Canon EF Mount for Size Comparison
Filter Threads
The Tamron SP 35mm F1.4 Di USD has a filter size of 72mm whereas the Sigma 35mm F1.4 DG HSM has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 72mm filters that we recommend you to consider for the Tamron SP 35mm F1.4 Di USD:
And these are the 67mm filters that we recommend for the Sigma 35mm F1.4 DG HSM:
Lens Mounts
Both the Tamron SP 35mm F1.4 Di USD and the 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 SP 35mm F1.4 Di USD is also available in Nikon F (FX) mount.
Sigma 35mm F1.4 DG HSM is also available in Pentax KAF3 , Sony Alpha, Sigma SA, Nikon F (FX) and Leica L mounts.
Focal Range
Both lenses have the same focal range of
35mm and the fastest aperture of
F1.4.