Sigma USB Dock - Nikon F Mount RODE Accessories The K6 features a matte

The K6 features a matte black

Ring-type motors are highly efficient and feature a low power consumption to extend the camera battery life

and the lens maintains fast f/2

The Nikon MB-D80 Battery Grip is designed specifically for the Nikon D80 and D90

Aspherical lenses located on either side of the aperture effectively compensate for distortion

Sigma USB Dock - Nikon F Mount RODE Accessories The K6 features a matteBy connecting the USB cable to a computer, SIGMA USB DOCK enables photographers to update the lens firmware and adjust parameters such as focus. The adjustment is processed with special software (SIGMA Optimization Pro). The AF speed, focus limiter and OS function are also customizable for Sports lenses.