The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 24-70mm F2.8 Di VC USD G2 and the Nikon 17-55mm f2.8G ED-IF for their suitability to various photography scenarios:
Size and Weight Comparison
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 17-55mm f2.8G ED-IF weighs 755g, 16% (150g) lighter than the Tamron 24-70mm F2.8 Di VC USD G2's weight of 905g.
Filter Threads
The Tamron 24-70mm F2.8 Di VC USD G2 has a filter size of 82mm whereas the Nikon 17-55mm f2.8G 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 82mm filters that we recommend you to consider for the Tamron 24-70mm F2.8 Di VC USD G2:
And these are the 77mm filters that we recommend for the Nikon 17-55mm f2.8G ED-IF:
Lens Mounts
The Tamron 24-70mm F2.8 Di VC USD G2 has the Nikon F (FX) lens mount whereas the Nikon 17-55mm f2.8G ED-IF has the Nikon F (DX) lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount and Nikon D3500, Nikon D7500 and Nikon D5600 for the Nikon F (DX) Mount.
Tamron 24-70mm F2.8 Di VC USD G2 is also available in the Canon EF mount.
Focal Range
Tamron 24-70mm F2.8 Di VC USD G2 has a focal range of 24-70mm 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
36 - 105mm.
On the other hand, the Nikon 17-55mm f2.8G ED-IF has a focal range of 17-55mm and 3.2X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 25.5-82.5mm when used on a APS-C / DX format camera.
