Sigma USB Dock for Pentax Lenses Discontinued Super Protect coating helps to

Super Protect coating helps to protect the front lens element from dirt and finger marks

The lens has markings on both sides of the barrel

2x optical zoom lens covers a wide-angle to short-telephoto 24-100mm equivalent focal length range and features an f/1

Available in 18 unique versions and made with high-quality fabrics and surface-treated metallic elements

Sigma USB Dock for Pentax Lenses Discontinued Super Protect coating helps toThe 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 Optimisation Pro software. This dock is only compatible with the Sigma Art, Contemporary, and Sports line lenses featuring a Pentax K lens mount. Sigma Optimisation Pro Once a Sigma Art, Contemporary, or Sports line lens is connected, you can use the Sigma Optimisation Pro software to