Most versatile Sigma APS-C zoom for Nikon, f/2.8 wide with OS, macro, and HSM in compact form.
The Sigma 17-70mm f/2.8-4 DC Contemporary is a versatile APS-C standard zoom for Nikon F cameras — covering wide-angle to short telephoto with a faster wide end. Nikon F mount.
17-70mm focal length (25-105mm equivalent on APS-C). f/2.8-4 aperture. DC = APS-C coverage. Contemporary class. OS stabilisation (some versions). Nikon F mount.
The 17-70mm f/2.8-4 DC Contemporary provides a useful 4.1x zoom starting at f/2.8 at 17mm — faster at the wide end than typical kit zooms. Contemporary class delivers above-average optical quality. A practical walkaround zoom for APS-C shooters.
On the used market the Sigma 17-70mm f/2.8-4 DC Contemporary is a capable APS-C standard zoom. Condition checks: f/2.8 at wide end, zoom, elements. Nikon F mount.