The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 100-400mm F4.5-6.3 Di VC USD and the Sigma 100-400mm F5-6.3 DG OS HSM 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. Tamron 100-400mm F4.5-6.3 Di VC USD is the longer of the two lenses at 199mm. The Sigma 100-400mm F5-6.3 DG OS HSM with a length of 182mm, is 17mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 86mm.
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 100-400mm F4.5-6.3 Di VC USD weighs 1135g, which means it is 25g (2%) lighter than the Sigma 100-400mm F5-6.3 DG OS HSM which has a weight of 1160g.
Filter Threads
Both the Tamron 100-400mm F4.5-6.3 Di VC USD and the Sigma 100-400mm F5-6.3 DG OS HSM have the same Filter thread size of 67mm.
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Tamron 100-400mm F4.5-6.3 Di VC USD has the Canon EF lens mount whereas the Sigma 100-400mm F5-6.3 DG OS HSM has the Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with these mounts are Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount and Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Tamron 100-400mm F4.5-6.3 Di VC USD is also available in the Nikon F (FX) mount.
Sigma 100-400mm F5-6.3 DG OS HSM is also available in Sigma SA and Canon EF mounts.
Focal Range
Both lenses have the same focal range of
100-400mm but while Tamron 100-400mm F4.5-6.3 Di VC USD has the fastest aperture of
F4.5-6.3, the Sigma 100-400mm F5-6.3 DG OS HSM's widest aperture value is
F5-6.3.
