The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 70-300 F4.5-6.3 Di III Z 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. Tamron 70-210mm F4 Di VC USD is the longer of the two lenses at 175mm. The Tamron 70-300 F4.5-6.3 Di III Z with a length of 148mm, is 27mm shorter. On the other hand, the Tamron 70-300 F4.5-6.3 Di III Z has a larger diameter of 77mm compared to the Tamron 70-210mm F4 Di VC USD's 76mm diameter.
Below you can find a scaled side-by-side image of Tamron 70-300 F4.5-6.3 Di III Z and Tamron 70-210mm F4 Di VC USD to get a better idea of how their sizes compare in real life.
Comparison image of the Tamron 70-300 F4.5-6.3 Di III Z and the Tamron 70-210mm F4 Di VC USD Size and Weight 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 70-300 F4.5-6.3 Di III Z weighs 545g, which means it is 314g (36%) lighter than the Tamron 70-210mm F4 Di VC USD which has a weight of 859g.
Filter Threads
Both the Tamron 70-300 F4.5-6.3 Di III Z and the Tamron 70-210mm F4 Di VC USD have the same Filter thread size of 67mm .
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Tamron 70-300 F4.5-6.3 Di III Z has the Nikon Z lens mount whereas the Tamron 70-210mm F4 Di VC USD has the Nikon F (FX) lens mount . Some of the latest released cameras that are compatible with these mounts are Nikon ZR , Nikon Z5 II and RED Komodo-X 6K Z for the Nikon Z Mount and Nikon D6 , Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Canon EF mount.
Focal Range
Tamron 70-300 F4.5-6.3 Di III Z 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 .
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 .
