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 70-200mm f2.8 VC USD 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 70-200mm f2.8 VC USD is the longer of the two lenses at 197mm. The Nikon AF-P DX 70-300mm F4.5-6.3G with a length of 125mm, is 72mm shorter. Besides being longer, the Tamron 70-200mm f2.8 VC USD also has a larger diameter of 86mm 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 1070g (72%) lighter than the Tamron 70-200mm f2.8 VC USD which has a weight of 1470g.
Filter Threads
The Nikon AF-P DX 70-300mm F4.5-6.3G has a filter size of 58mm whereas the Tamron 70-200mm f2.8 VC USD 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 58mm filters that we recommend you to consider for the Nikon AF-P DX 70-300mm F4.5-6.3G:
And these are the 77mm filters that we recommend for the Tamron 70-200mm f2.8 VC USD:
Lens Mounts
The Nikon AF-P DX 70-300mm F4.5-6.3G has the Nikon F (DX) lens mount whereas the Tamron 70-200mm f2.8 VC USD 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 70-200mm f2.8 VC USD 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 70-200mm f2.8 VC USD has a focal range of 70-200mm and 2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 105 - 300mm.