Sigma USB Dock: How to Update Lens Firmware

Quick answer

To update firmware on a compatible Sigma Global Vision lens, connect the lens to your computer using the Sigma USB Dock and run the Sigma Optimization Pro software. The dock handles both firmware updates and focus adjustment parameters.

How to update your Sigma lens firmware

1. Install Sigma Optimization Pro: Download and install Sigma Optimization Pro from the official Sigma website. Make sure your computer has a USB port and that you have the correct USB cable for the dock. Check that the software recognizes the dock before moving on.
2. Attach the lens to the dock: Remove the rear cap from your Sigma lens and mount it onto the Sigma USB Dock just as you would attach it to a camera. Ensure the lens is seated firmly and the contacts are clean. A loose connection can cause the software to fail to detect the lens.
3. Connect the dock to your computer: Plug the USB cable into the dock and then into your computer. Wait for the system to recognize the device. If the driver does not install automatically, check the software's help guide. Use a direct USB port rather than a hub to avoid connection issues.
4. Open Sigma Optimization Pro and select your lens: Launch the software and look for your lens model in the device list. If it does not appear, disconnect and reconnect the dock, then restart the software. The lens must be detected before you can proceed with any update.
5. Check for firmware updates: Navigate to the firmware update section in the software. The program will check for the latest version. If an update is available, follow the on-screen instructions to install it. Do not disconnect the dock during the update. Interrupting the update can leave the lens in an unusable state.
6. Adjust focus parameters if needed: After updating, you can use the focus adjustment tab to fine-tune autofocus for different focal lengths and distances. Make small changes and test the lens on your camera between adjustments. Keep a record of your settings so you can revert if needed.

Product facts

• Sigma USB Dock: The Sigma USB Dock connects Sigma Global Vision lenses to a computer for firmware updates and focus parameter adjustments using Sigma Optimization Pro. This dock is the only way to access those updates and calibration settings yourself, so you can keep the lens performing at its best without sending it to a service center.