Sigma USB Dock - Nikon F Mount Lens Mount_Nikon F DX simply attach the quick disconnects

simply attach the quick disconnects directly through the pliable plastic

travel and photojournalism whether shooting high quality still photographs or video capture using Nikon’s D-Movie feature

Using the Nikon SU-800 Wireless Commander Unit

the smc P-FA 43mm F1

Sigma USB Dock - Nikon F Mount Lens Mount_Nikon F DX simply attach the quick disconnectsBy 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.