Sigma USB Lens Dock Lens [Canon] spo-disabled and the optics are complemented

and the optics are complemented by a Nano AR II coating that also suppresses flare and ghosting for improved contrast

fast tracking using phase-detection AF points

a shoe mount adapter

including a water bottle pouch

Sigma USB Lens Dock Lens [Canon] spo-disabled and the optics are complementedThe 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 Canon EF lens mount. Sigma Optimization Pro Once a Sigma Art, Contemporary, or Sports line lens is connected, you can use the Sigma Optimization Pro software to