The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon AF-P DX 70-300mm F4.5-6.3G and the Tamron 28-300mm f3.5-6.3 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. Nikon AF-P DX 70-300mm F4.5-6.3G is the longer of the two lenses at 125mm. The Tamron 28-300mm f3.5-6.3 VC PZD with a length of 96mm, is 29mm shorter. On the other hand, the Tamron 28-300mm f3.5-6.3 VC PZD has a larger diameter of 74mm compared to the Nikon AF-P DX 70-300mm F4.5-6.3G's 72mm 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. Nikon AF-P DX 70-300mm F4.5-6.3G weighs 400g, which means it is 140g (25%) lighter than the Tamron 28-300mm f3.5-6.3 VC PZD which has a weight of 540g.
Filter Threads
The Nikon AF-P DX 70-300mm F4.5-6.3G has a filter size of 58mm whereas the Tamron 28-300mm f3.5-6.3 VC PZD 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 58mm filters that we recommend you to consider for the Nikon AF-P DX 70-300mm F4.5-6.3G:
And these are the 67mm filters that we recommend for the Tamron 28-300mm f3.5-6.3 VC PZD:
Lens Mounts
The Nikon AF-P DX 70-300mm F4.5-6.3G has the Nikon F (DX) lens mount whereas the Tamron 28-300mm f3.5-6.3 VC PZD has the Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon D3500, Nikon D7500 and Nikon D5600 for the Nikon F (DX) Mount and Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Tamron 28-300mm f3.5-6.3 VC PZD is also available in Canon EF and Sony Alpha mounts.
Focal Range
Nikon AF-P DX 70-300mm F4.5-6.3G has a focal range of 70-300mm and
4.3X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
105-450mm when used on a APS-C / DX format camera.
On the other hand, the Tamron 28-300mm f3.5-6.3 VC PZD has a focal range of 28-300mm and 10.7X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 42 - 450mm.