Nikon's gold-ring DX standard zoom — constant f/2.8 from 25.5-82.5mm equiv, the DX professional standard.
The Nikon AF-S DX Nikkor 17-55mm f/2.8G ED was released approximately 2003 as the professional constant f/2.8 standard zoom for Nikon F-mount APS-C, covering 25-82mm full-frame equivalent. Seventeen elements in 11 groups with ED and aspherical elements. Nine rounded aperture blades. 77mm filter thread. At approximately 755g. 0.36m MFD. SWM autofocus.
Seventeen elements in 11 groups (3 ED + 3 aspherical elements). Nine rounded aperture blades. The 77mm filter thread. At approximately 755g. Minimum focus distance of 0.36m. SWM for fast, quiet AF. f/2.8 constant aperture. DX APS-C image circle (25-82mm equivalent). Nikon F G-type DX mount.
The AF-S DX 17-55mm f/2.8G was Nikon's professional DX standard zoom — the equivalent of the FX 24-70mm f/2.8 but for APS-C bodies. The constant f/2.8 provides consistent exposure and depth-of-field across the 25-82mm equivalent range. The SWM motor provides fast, quiet AF for professional sports and event work.
On the used market the Nikon AF-S DX 17-55mm f/2.8G ED is affordable as a professional DX standard zoom. Condition checks: SWM AF response, 77mm front element for marks, zoom ring smoothness. DX only. Compatible with Nikon F-mount DX bodies.