The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon 18-300mm F3.5-6.3G ED VR and the Tamron 16-300mm f3.5-6.3 II VC PZD 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 16-300mm f3.5-6.3 II VC PZD is the longer of the two lenses at 100mm. The Nikon 18-300mm F3.5-6.3G ED VR with a length of 99mm, is 1mm shorter. On the other hand, the Nikon 18-300mm F3.5-6.3G ED VR has a larger diameter of 79mm compared to the Tamron 16-300mm f3.5-6.3 II VC PZD's 75mm 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 16-300mm f3.5-6.3 II VC PZD weighs 540g, 1% (10g) lighter than the Nikon 18-300mm F3.5-6.3G ED VR's weight of 550g.
Below you can find the dimension and weight table of the SuperZoom Lenses in Nikon F (DX) Mount for size comparison purposes.
Super Telephoto Lenses in Nikon F (DX) Mount for Size Comparison
Filter Threads
Both the Nikon 18-300mm F3.5-6.3G ED VR and the Tamron 16-300mm f3.5-6.3 II VC PZD 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
Both the Nikon 18-300mm F3.5-6.3G ED VR and the Tamron 16-300mm f3.5-6.3 II VC PZD has the same Nikon F (DX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (DX) lenses are Nikon D3500, Nikon D7500 and Nikon D5600.
Tamron 16-300mm f3.5-6.3 II VC PZD is also available in Canon EF and Sony Alpha mounts.
Focal Range
Nikon 18-300mm F3.5-6.3G ED VR has a focal range of 18-300mm and
16.7X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
27-450mm when used on a APS-C / DX format camera.
On the other hand, the Tamron 16-300mm f3.5-6.3 II VC PZD has a focal range of 16-300mm and 18.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 24-450mm when used on a APS-C / DX format camera.