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 Nikon Z 100-400mm F4.5-5.6 VR 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. Nikon Z 100-400mm F4.5-5.6 VR is the longer of the two lenses at 222mm. The Tamron 70-300 F4.5-6.3 Di III Z with a length of 148mm, is 74mm shorter. Besides being longer, the Nikon Z 100-400mm F4.5-5.6 VR also has a larger diameter of 98mm compared to the Tamron 70-300 F4.5-6.3 Di III Z's 77mm diameter.
Below you can find a scaled side-by-side image of Tamron 70-300 F4.5-6.3 Di III Z and Nikon Z 100-400mm F4.5-5.6 VR 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 Nikon Z 100-400mm F4.5-5.6 VR 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 890g (62%) lighter than the Nikon Z 100-400mm F4.5-5.6 VR which has a weight of 1435g.
Filter Threads
The Tamron 70-300 F4.5-6.3 Di III Z has a filter size of 67mm whereas the Nikon Z 100-400mm F4.5-5.6 VR has a 77mm 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 70-300 F4.5-6.3 Di III Z:
And these are the 77mm filters that we recommend for the Nikon Z 100-400mm F4.5-5.6 VR:
Lens Mounts
Both the Tamron 70-300 F4.5-6.3 Di III Z and the Nikon Z 100-400mm F4.5-5.6 VR has the same Nikon Z lens mount . Some of the latest released cameras that are compatible with the Nikon Z lenses are Nikon ZR , Nikon Z5 II and RED Komodo-X 6K Z .
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 Nikon Z 100-400mm F4.5-5.6 VR has a focal range of 100-400mm and 4.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 150 - 600mm .
