Ultra- wide-angle zoom lens with constant f/4 aperture.
16-35mm zoom range (DX equivalent: 24-52mm).
Vibration Reduction II (VR II) stabilization system. Lets you use shutter speeds that are up to 2.5* stops slower.
Exceptionally high optical performance.
Nano Crystal coat reduces ghost and flare.
ED (Extra low Dispersion) glass and aspherical lens elements ensure high resolution and superior contrast.
SWM (Silent Wave Motor) for fast, quiet autofocus.