Customize lens firmware.
Fine-tune AF precision.
Compact accessory.
Small and portable for studio or travel use.
The Sigma USB dock works in conjunction with Sigma Optimization Pro software in order to connect a photographers lens to their personal computer to update firmware, calibrate the lens and other customizations such as the focus parameter. The dock is only compatible with the Sigma Art, Contemporary, and Sports line lenses featuring a Canon EF lens mount.
We’ll try to get your question answered within 24 hours by a Best Buy customer or brand representative.
Learn more >