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 70-200mm F2.8 EX DG OS 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 70-200mm F2.8 EX DG OS HSM weighs 1430g, 2% (40g) lighter than the Tamron 70-200mm f2.8 VC USD's weight of 1470g.
Filter Threads
Both the Tamron 70-200mm f2.8 VC USD and the Sigma 70-200mm F2.8 EX DG OS HSM have the same Filter thread size of 77mm.
Below are links to the 77mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Tamron 70-200mm f2.8 VC USD has the Nikon F (FX) lens mount whereas the Sigma 70-200mm F2.8 EX DG OS HSM has the Sigma SA lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount and Sigma Quattro, Sigma Quattro H and Sigma SD1 Merrill for the Sigma SA Mount.
Tamron 70-200mm f2.8 VC USD is also available in Canon EF and Sony Alpha mounts.
Sigma 70-200mm F2.8 EX DG OS HSM is also available in Canon EF , Nikon F (FX), Pentax KAF3 and Sony Alpha mounts.
Focal Range
Both lenses have the same focal range of
70-200mm and the fastest aperture of
F2.8.