The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 24-70mm f2.8 VC USD and the Sigma 24-70mm F2.8 II 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 24-70mm F2.8 II is the longer of the two lenses at 122mm. The Tamron 24-70mm f2.8 VC USD with a length of 117mm, is 5mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 88mm.
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 24-70mm F2.8 II weighs 735g, 10% (90g) lighter than the Tamron 24-70mm f2.8 VC USD's weight of 825g.
Filter Threads
Both the Tamron 24-70mm f2.8 VC USD and the Sigma 24-70mm F2.8 II have the same Filter thread size of 82mm.
Below are links to the 82mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Tamron 24-70mm f2.8 VC USD has the Nikon F (FX) lens mount whereas the Sigma 24-70mm F2.8 II has the Sony E 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 Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount.
Tamron 24-70mm f2.8 VC USD is also available in the Canon EF and Sony Alpha mounts.
Sigma 24-70mm F2.8 II is also available in Leica L mount.
Focal Range
Both lenses have the same focal range of
24-70mm and the fastest aperture of
F2.8.
