The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 70-200mm f2.8 Sports and the Tamron 70-200mm f2.8 VC USD 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 70-200mm f2.8 Sports is the longer of the two lenses at 205mm. The Tamron 70-200mm f2.8 VC USD with a length of 197mm, is 8mm shorter. Besides being longer, the Sigma 70-200mm f2.8 Sports also has a larger diameter of 91mm 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. Sigma 70-200mm f2.8 Sports weighs 1345g, which means it is 125g (8%) lighter than the Tamron 70-200mm f2.8 VC USD which has a weight of 1470g.
Filter Threads
Both the Sigma 70-200mm f2.8 Sports and the Tamron 70-200mm f2.8 VC USD 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 Sigma 70-200mm f2.8 Sports has the Sony E lens mount whereas the Tamron 70-200mm f2.8 VC USD has the Sony Alpha lens mount. Some of the latest released cameras that are compatible with these mounts are Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount and Sony A99 II, Sony A68 and Sony A77 II for the Sony Alpha Mount.
Sigma 70-200mm f2.8 Sports is also available in the Leica L mount.
Tamron 70-200mm f2.8 VC USD is also available in Canon EF and Nikon F (FX) mounts.
Focal Range
Both lenses have the same focal range of
70-200mm and the fastest aperture of
F2.8.
