Thank you for purchasing and using our products.
This firmware update corrects the phenomenon that the flash does not fire when using the X Sync. contact in Manual Flash mode. For customers who own the SIGMA FLASH USB DOCK FD-11 for Canon, please update the flash firmware via SIGMA Optimization Pro.
・SIGMA ELECTRONIC FLASH EF-630 for Canon
【Benefit of this firmware update】
・It has corrected the phenomenon that the flash does not fire when using the X Sync. contact in Manual Flash mode.
*The firmware can be updated using SIGMA FLASH USB DOCK FD-11 for Canon with firmware Ver1.01.
Please ensure to update SIGMA Optimization Pro to Ver1.4.1 for Windows, and Ver1.4.0 for Macintosh before updating the firmware.
*It takes about 3 minutes to update the firmware.
【SIGMA Optimization Pro Download page】
For further information, please contact your nearest authorized SIGMA subsidiary / distributor.
We appreciate your continued support for our company and products.