The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 150-600mm F5-6.3 DG OS HSM S and the Tamron 70-210mm F4 Di 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 150-600mm F5-6.3 DG OS HSM S is the longer of the two lenses at 290mm. The Tamron 70-210mm F4 Di VC USD with a length of 175mm, is 115mm shorter. Besides being longer, the Sigma 150-600mm F5-6.3 DG OS HSM S also has a larger diameter of 121mm compared to the Tamron 70-210mm F4 Di VC USD's 76mm diameter.
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Below you can find a scaled side-by-side image of Sigma 150-600mm F5-6.3 DG OS HSM S and Tamron 70-210mm F4 Di VC USD to get a better idea of how their sizes compare in real life.
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 70-210mm F4 Di VC USD weighs 859g, 69% (2001g) lighter than the Sigma 150-600mm F5-6.3 DG OS HSM S's weight of 2860g.
Filter Threads
The Sigma 150-600mm F5-6.3 DG OS HSM S has a filter size of 105mm whereas the Tamron 70-210mm F4 Di VC USD has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 105mm filters that we recommend you to consider for the Sigma 150-600mm F5-6.3 DG OS HSM S:
And these are the 67mm filters that we recommend for the Tamron 70-210mm F4 Di VC USD:
Lens Mounts
Both the Sigma 150-600mm F5-6.3 DG OS HSM S and the Tamron 70-210mm F4 Di VC USD 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.
Sigma 150-600mm F5-6.3 DG OS HSM S is also available in Canon EF and Sigma SA mounts.
Tamron 70-210mm F4 Di VC USD is also available in Canon EF mount.
Focal Range
Sigma 150-600mm F5-6.3 DG OS HSM S 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 Tamron 70-210mm F4 Di VC USD has a focal range of 70-210mm and 3.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 105 - 315mm.