Sigma fast ultra-wide at 17-35mm f/2.8 for Nikon, wider and faster than typical alternatives at mid-range pricing.
The Sigma 17-35mm f/2.8-4 EX DG HSM for Nikon F is a wide-angle zoom with fast f/2.8 starting aperture covering ultra-wide through standard wide-angle. The 17mm start provides wider coverage than typical 20mm or 24mm wide-angle zooms with the EX premium build quality.
The f/2.8 at 17mm provides useful speed for low-light wide-angle and astrophotography, tapering to f/4 at the 35mm end. The HSM motor provides fast, quiet autofocus, and the full-frame DG coverage enables dramatic ultra-wide compositions on full-frame Nikon bodies.
Build quality is Sigma EX premium with quality construction. The 17mm starting point is wider than most competing wide-angle zooms, and the fast f/2.8 wide-angle aperture provides genuine low-light advantages.
The Sigma 17-35mm f/2.8-4 for Nikon offers a fast ultra-wide zoom at affordable used pricing. The 17mm with f/2.8 provides wider and faster wide-angle than most alternatives at similar cost.