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 300mm f4D ED-IF 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 300mm f4D ED-IF is the longer of the two lenses at 223mm. The Tamron 70-300 F4.5-6.3 Di III Z with a length of 148mm, is 75mm shorter. Besides being longer, the Nikon 300mm f4D ED-IF also has a larger diameter of 90mm compared to the Tamron 70-300 F4.5-6.3 Di III Z's 77mm 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 70-300 F4.5-6.3 Di III Z weighs 545g, which means it is 895g (62%) lighter than the Nikon 300mm f4D ED-IF which has a weight of 1440g.
Filter Threads
The Tamron 70-300 F4.5-6.3 Di III Z has a filter size of 67mm whereas the Nikon 300mm f4D ED-IF 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 300mm f4D ED-IF:
Lens Mounts
The Tamron 70-300 F4.5-6.3 Di III Z has the Nikon Z lens mount whereas the Nikon 300mm f4D ED-IF 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.
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 300mm f4D ED-IF is a prime lens with fixed focal lenght of 300mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 450mm.
