The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 10-20mm F4-5.6 EX DC HSM and the Nikon 17-35mm f2.8D 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 17-35mm f2.8D ED-IF is the longer of the two lenses at 106mm. The Sigma 10-20mm F4-5.6 EX DC HSM with a length of 81mm, is 25mm shorter. On the other hand, the Sigma 10-20mm F4-5.6 EX DC HSM has a larger diameter of 84mm compared to the Nikon 17-35mm f2.8D ED-IF's 83mm 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. Sigma 10-20mm F4-5.6 EX DC HSM weighs 470g, which means it is 275g (36%) lighter than the Nikon 17-35mm f2.8D ED-IF which has a weight of 745g.
Filter Threads
Both the Sigma 10-20mm F4-5.6 EX DC HSM and the Nikon 17-35mm f2.8D 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 Sigma 10-20mm F4-5.6 EX DC HSM has the Nikon F (DX) lens mount whereas the Nikon 17-35mm f2.8D ED-IF 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.
Sigma 10-20mm F4-5.6 EX DC HSM is also available in the Canon EF , Four Thirds, Pentax KAF, Sony Alpha and Sigma SA mounts.
Focal Range
Sigma 10-20mm F4-5.6 EX DC HSM has a focal range of 10-20mm and
2.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
15-30mm when used on a APS-C / DX format camera.
On the other hand, the Nikon 17-35mm f2.8D ED-IF has a focal range of 17-35mm and 2.1X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 25.5 - 52.5mm.
