ELECTRONIC FLASH EF-630 (Canon EF mount) firmware v1.01
Sigma · Released Jun 23, 2017 · First seen by GearPulse Jul 5, 2026
What's in this 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.
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