Sigma USB Dock for Nikon F-Mount Lenses WOMEN and the steps are click

and the steps are click stops for accurate manual control

1/3EV (19 steps)

8 constant maximum aperture affords consistent brightness throughout the zoom range

3 to 357mm (35mm Equivalent Focal Length: 24 to 2000mm) Optical Zoom 83x Digital Zoom 4x Maximum (332x Combined Zoom)

Sigma USB Dock for Nikon F-Mount Lenses WOMEN and the steps are clickSigma USB Dock for Nikon F Mount Lenses Update Lens Firmware and Adjust Settings For Use with Sigma Global Vision Lenses Compatible with Nikon F Mount Lenses The Sigma USB Dock allows you to connect your Sigma Global Vision lenses to your computer in order to update firmware and adjust focus setting parameters using the Sigma Optimization Pro software. This dock is only compatible with the Sigma Art, Contemporary, and Sports line lenses featuring a