The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 70-210mm F4 Di VC USD and the Sigma 70-300mm F4-5.6 DG OS 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 70-210mm F4 Di VC USD is the longer of the two lenses at 175mm. The Sigma 70-300mm F4-5.6 DG OS with a length of 126mm, is 49mm shorter. On the other hand, the Sigma 70-300mm F4-5.6 DG OS has a larger diameter of 77mm compared to the Tamron 70-210mm F4 Di VC USD's 76mm 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. Sigma 70-300mm F4-5.6 DG OS weighs 610g, 28% (249g) lighter than the Tamron 70-210mm F4 Di VC USD's weight of 859g.
Below you can find the dimension and weight table of the Telephoto Zoom Lenses in Canon EF Mount for size comparison purposes.
Telephoto Lenses in Canon EF Mount for Size Comparison
Filter Threads
The Tamron 70-210mm F4 Di VC USD has a filter size of 67mm whereas the Sigma 70-300mm F4-5.6 DG OS has a 58mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Tamron 70-210mm F4 Di VC USD:
And these are the 58mm filters that we recommend for the Sigma 70-300mm F4-5.6 DG OS:
Lens Mounts
Both the Tamron 70-210mm F4 Di VC USD and the Sigma 70-300mm F4-5.6 DG OS has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K.
Tamron 70-210mm F4 Di VC USD is also available in the Nikon F (FX) mount.
Sigma 70-300mm F4-5.6 DG OS is also available in Nikon F (FX) , Pentax KAF3, Sony Alpha and Sigma SA mounts.
Focal Range
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 1.6x crop, it provides a 35mm (FF) equivalent of
112 - 336mm.
On the other hand, the Sigma 70-300mm F4-5.6 DG OS has a focal range of 70-300mm and 4.3X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 112 - 480mm.
