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 Tamron 70-300mm f4-5.6 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. Tamron 70-210mm F4 Di VC USD is the longer of the two lenses at 175mm. The Tamron 70-300mm f4-5.6 VC USD with a length of 143mm, is 32mm shorter. On the other hand, the Tamron 70-300mm f4-5.6 VC USD has a larger diameter of 82mm 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. Tamron 70-300mm f4-5.6 VC USD weighs 765g, 10% (94g) 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 Nikon F (FX) Mount for size comparison purposes.
Telephoto Lenses in Nikon F (FX) Mount for Size Comparison
Filter Threads
The Tamron 70-210mm F4 Di VC USD has a filter size of 67mm whereas the Tamron 70-300mm f4-5.6 VC USD has a 62mm 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 62mm filters that we recommend for the Tamron 70-300mm f4-5.6 VC USD:
Lens Mounts
Both the Tamron 70-210mm F4 Di VC USD and the Tamron 70-300mm f4-5.6 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.
Tamron 70-210mm F4 Di VC USD is also available in the Canon EF mount.
Tamron 70-300mm f4-5.6 VC USD is also available in Canon EF mount.
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 1.5x crop, it provides a 35mm (FF) equivalent of
105 - 315mm.
On the other hand, the Tamron 70-300mm f4-5.6 VC USD has a focal range of 70-300mm and 4.3X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 105 - 450mm.