The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron AF 18-270mm f3.5-6.3 II VC LD and the Nikon DX 16-80mm F2.8-4E ED 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. Tamron AF 18-270mm f3.5-6.3 II VC LD is the longer of the two lenses at 101mm. The Nikon DX 16-80mm F2.8-4E ED VR with a length of 86mm, is 15mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 80mm.
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. Nikon DX 16-80mm F2.8-4E ED VR weighs 480g, 14% (80g) lighter than the Tamron AF 18-270mm f3.5-6.3 II VC LD's weight of 560g.
Filter Threads
Both the Tamron AF 18-270mm f3.5-6.3 II VC LD and the Nikon DX 16-80mm F2.8-4E ED VR have the same Filter thread size of 72mm.
Below are links to the 72mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Tamron AF 18-270mm f3.5-6.3 II VC LD and the Nikon DX 16-80mm F2.8-4E ED VR 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 AF 18-270mm f3.5-6.3 II VC LD is also available in Canon EF mount.
Focal Range
Tamron AF 18-270mm f3.5-6.3 II VC LD has a focal range of 18-270mm and
15.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
27-405mm when used on a APS-C / DX format camera.
On the other hand, the Nikon DX 16-80mm F2.8-4E ED VR has a focal range of 16-80mm and 5.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 24-120mm when used on a APS-C / DX format camera.