The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 150-600mm f5-6.3 VC and the Sigma 50-500mm F4.5-6.3 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 150-600mm f5-6.3 VC is the longer of the two lenses at 258mm. The Sigma 50-500mm F4.5-6.3 DG OS HSM with a length of 219mm, is 39mm shorter. Besides being longer, the Tamron 150-600mm f5-6.3 VC also has a larger diameter of 106mm compared to the Sigma 50-500mm F4.5-6.3 DG OS HSM's 104mm 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 150-600mm f5-6.3 VC weighs 1951g, which means it is 19g (0%) lighter than the Sigma 50-500mm F4.5-6.3 DG OS HSM which has a weight of 1970g.
Below you can find the dimension and weight table of the Telephoto Zoom Lenses in Nikon F (FX) Mount for size comparison purposes.
Super Telephoto Lenses in Nikon F (FX) Mount for Size Comparison
Filter Threads
Both the Tamron 150-600mm f5-6.3 VC and the Sigma 50-500mm F4.5-6.3 DG OS HSM have the same Filter thread size of 95mm.
Below are links to the 95mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Tamron 150-600mm f5-6.3 VC and the Sigma 50-500mm F4.5-6.3 DG OS HSM has the same Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (FX) lenses are Nikon D6, Nikon D780 and Nikon D3500.
Tamron 150-600mm f5-6.3 VC is also available in the Canon EF and Sony Alpha mounts.
Sigma 50-500mm F4.5-6.3 DG OS HSM is also available in Canon EF , Pentax KAF3, Sony Alpha and Sigma SA mounts.
Focal Range
Tamron 150-600mm f5-6.3 VC has a focal range of 150-600mm and
4.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
225 - 900mm.
On the other hand, the Sigma 50-500mm F4.5-6.3 DG OS HSM has a focal range of 50-500mm and 10.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 75 - 750mm.