Sigma USB Lens Dock Lens [Canon] spo-disabled fast tracking using phase-detection AF

fast tracking using phase-detection AF points

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

Complementing the optics is a Silent Wave Motor

a shoe mount adapter

three image area options are available:

Sigma USB Lens Dock Lens [Canon] spo-disabled fast tracking using phase-detection AFThe 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