The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon 28-70mm f2.8 ED-IF and the Nikon 17-55mm f2.8G ED-IF 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 28-70mm f2.8 ED-IF is the longer of the two lenses at 122mm. The Nikon 17-55mm f2.8G ED-IF with a length of 111mm, is 11mm shorter. Besides being longer, the Nikon 28-70mm f2.8 ED-IF also has a larger diameter of 89mm compared to the Nikon 17-55mm f2.8G ED-IF's 86mm 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 17-55mm f2.8G ED-IF weighs 755g, 19% (180g) lighter than the Nikon 28-70mm f2.8 ED-IF's weight of 935g.
Filter Threads
Both the Nikon 28-70mm f2.8 ED-IF and the Nikon 17-55mm f2.8G ED-IF have the same Filter thread size of 77mm.
Below are links to the 77mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Nikon 28-70mm f2.8 ED-IF 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.
Focal Range
Nikon 28-70mm f2.8 ED-IF has a focal range of 28-70mm and
2.5X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
42 - 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.