Sigma UD-01 USB Dock Style:Sigma SA Mount 16-Step Counterbalance

16-Step Counterbalance

especially when used with high-end cinema cameras or mirrorless systems that capture in broader spectral ranges

Stray Light Blocking: Expertly crafted to prevent unwanted light

APO-Level Control: Chromatic aberration is minimized for clear

Sigma UD-01 USB Dock Style:Sigma SA Mount 16-Step CounterbalancePhotographers can now update the lens firmware and adjust focus position and other parameters by connecting a SIGMA Art, Contemporary, or Sports lens to a computer with the Sigma UD 01 USB Dock. This dock is only compatible with the Sigma Art, Contemporary, and Sports line lenses featuring a Canon EF, Nikon F, Pentax K, Sony A, and Sigma SA Mount Lenses.