The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 70-180mm F2.8 Di 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 70-180mm F2.8 Di with a length of 149mm, is 26mm shorter. On the other hand, the Tamron 70-180mm F2.8 Di has a larger diameter of 81mm 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 70-180mm F2.8 Di 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 70-180mm F2.8 Di 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 70-180mm F2.8 Di weighs 815g, which means it is 44g (5%) lighter than the Tamron 70-210mm F4 Di VC USD which has a weight of 859g.
Filter Threads
Both the Tamron 70-180mm F2.8 Di 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 70-180mm F2.8 Di has the Sony E lens mount whereas the Tamron 70-210mm F4 Di VC USD has the Canon EF lens mount . Some of the latest released cameras that are compatible with these mounts are Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount and Blackmagic URSA 12K LF , Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Nikon F (FX) mount.
Focal Range
Tamron 70-180mm F2.8 Di has a focal range of 70-180mm and
2.6X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
105 - 270mm .
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 1.6x crop, it provides a 35mm (FF) equivalent of 112 - 336mm .
