The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon Z 28-400mm F4-8 VR and the Tamron 70-300 F4.5-6.3 Di III 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 70-300 F4.5-6.3 Di III is the longer of the two lenses at 148mm. The Nikon Z 28-400mm F4-8 VR with a length of 142mm, is 6mm shorter. On the other hand, the Nikon Z 28-400mm F4-8 VR has a larger diameter of 85mm compared to the Tamron 70-300 F4.5-6.3 Di III's 77mm diameter.
Below you can find a scaled side-by-side image of Nikon Z 28-400mm F4-8 VR and Tamron 70-300 F4.5-6.3 Di III to get a better idea of how their sizes compare in real life.
Comparison image of the Nikon Z 28-400mm F4-8 VR and the Tamron 70-300 F4.5-6.3 Di III 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 weighs 545g, 24% (180g) lighter than the Nikon Z 28-400mm F4-8 VR's weight of 725g.
Filter Threads
The Nikon Z 28-400mm F4-8 VR has a filter size of 77mm whereas the Tamron 70-300 F4.5-6.3 Di III has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Nikon Z 28-400mm F4-8 VR:
And these are the 67mm filters that we recommend for the Tamron 70-300 F4.5-6.3 Di III:
Lens Mounts
The Nikon Z 28-400mm F4-8 VR has the Nikon Z lens mount whereas the Tamron 70-300 F4.5-6.3 Di III has the Sony E 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 Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount.
Focal Range
Nikon Z 28-400mm F4-8 VR has a focal range of 28-400mm and
14.3X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
42 - 600mm .
On the other hand, the Tamron 70-300 F4.5-6.3 Di III 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 .
