The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 70-200mm f2.8 VC USD and the Sigma 70-200 F2.8 DG OS HSM S for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Sigma 70-200 F2.8 DG OS HSM S is the longer of the two lenses at 203mm. The Tamron 70-200mm f2.8 VC USD with a length of 197mm, is 6mm shorter. Besides being longer, the Sigma 70-200 F2.8 DG OS HSM S also has a larger diameter of 94mm compared to the Tamron 70-200mm f2.8 VC USD's 86mm diameter.
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. Tamron 70-200mm f2.8 VC USD weighs 1470g, which means it is 335g (18%) lighter than the Sigma 70-200 F2.8 DG OS HSM S which has a weight of 1805g.
Below you can find the dimension and weight table of the Telephoto Zoom Lenses in Canon EF Mount for size comparison purposes.
Telephoto Lenses in Canon EF Mount for Size Comparison
Filter Threads
The Tamron 70-200mm f2.8 VC USD has a filter size of 77mm whereas the Sigma 70-200 F2.8 DG OS HSM S has a 82mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Tamron 70-200mm f2.8 VC USD:
And these are the 82mm filters that we recommend for the Sigma 70-200 F2.8 DG OS HSM S:
Lens Mounts
Both the Tamron 70-200mm f2.8 VC USD and the Sigma 70-200 F2.8 DG OS HSM S 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 70-200mm f2.8 VC USD is also available in Nikon F (FX) and Sony Alpha mounts.
Sigma 70-200 F2.8 DG OS HSM S is also available in Nikon F (FX) and Sigma SA mounts.
Focal Range
Both lenses have the same focal range of
70-200mm and the fastest aperture of
F2.8.