Sigma USB Dock UD-01E0 for Canon EF-Mount Lenses KITCHEN you can choose from three

you can choose from three modes when using compatible lenses with vibration control

Rounded Focus Type Autofocus Image Stabilization No Filter Size None Dimensions (ø x L) 95

even in poor or unfavorable lighting conditions

and the absence of a mechanical shutter means silent mode and VR Lock make you nearly invisible in any situation

Focal Length: 35 mm

Sigma USB Dock UD-01E0 for Canon EF-Mount Lenses KITCHEN you can choose from threeSigma USB Dock UD 01E0 for Canon EF Mount Lenses Update Lens Firmware and Adjust Settings For Use with Sigma Global Vision Lenses Compatible with Canon EF 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