The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 60-600mm F4.5-6.3 DG OS HSM S and the Tamron 150-600mm F5-6.3 Di VC USD G2 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 60-600mm F4.5-6.3 DG OS HSM S is the longer of the two lenses at 269mm. The Tamron 150-600mm F5-6.3 Di VC USD G2 with a length of 258mm, is 11mm shorter. Besides being longer, the Sigma 60-600mm F4.5-6.3 DG OS HSM S also has a larger diameter of 120mm compared to the Tamron 150-600mm F5-6.3 Di VC USD G2's 106mm 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 Di VC USD G2 weighs 2010g, 25% (690g) lighter than the Sigma 60-600mm F4.5-6.3 DG OS HSM S's weight of 2700g.
Below you can find the dimension and weight table of the Telephoto Zoom Lenses in Canon EF Mount for size comparison purposes.
Super Telephoto Lenses in Canon EF Mount for Size Comparison
Filter Threads
The Sigma 60-600mm F4.5-6.3 DG OS HSM S has a filter size of 105mm whereas the Tamron 150-600mm F5-6.3 Di VC USD G2 has a 95mm 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 60-600mm F4.5-6.3 DG OS HSM S:
And these are the 95mm filters that we recommend for the Tamron 150-600mm F5-6.3 Di VC USD G2:
Lens Mounts
Both the Sigma 60-600mm F4.5-6.3 DG OS HSM S and the Tamron 150-600mm F5-6.3 Di VC USD G2 has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Sigma 60-600mm F4.5-6.3 DG OS HSM S is also available in Nikon F (FX) and Sigma SA mounts.
Tamron 150-600mm F5-6.3 Di VC USD G2 is also available in Sony Alpha and Nikon F (FX) mounts.
Focal Range
Sigma 60-600mm F4.5-6.3 DG OS HSM S has a focal range of 60-600mm and
10.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
96 - 960mm.
On the other hand, the Tamron 150-600mm F5-6.3 Di VC USD G2 has a focal range of 150-600mm and 4.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 240 - 960mm.