The Sigma EF-630 is a high-powered external flash unit for Canon EF TTL cameras with a guide number of 63 at ISO 100/200mm and a built-in wide-angle diffuser covering down to 24mm. It supports TTL auto exposure, HSS high-speed sync, and multi-flash modes, and is designed for Canon DSLR and EOS mirrorless systems. The EF-630 is Sigma's top-of-the-line flash.
Product released: February 1, 2016
Latest firmware version
Version 1.05, released August 5, 2021
Last checked for updates: Oct 31, 2026 17:42 UTC
What's new in version 1.05
It has changed the term of flash function to “Transmitter (TX) / Receiver (RX) Receive & Flash (R & FL)”.
LatestUpdate has tracked 5 versions of Sigma Electronic Flash EF-630 (Canon EF) firmware, released between June 23, 2017 and August 5, 2021.
Version 1.05 - August 5, 2021: It has changed the term of flash function to “Transmitter (TX) / Receiver (RX) Receive & Flash (R & FL)”.
Version 1.04 - May 23, 2019: It has become compatible with the EOS R and EOS RP mirrorless cameras.Note: To update the firmware, the SIGMA FLASH USB DOCK FD-11 for CANON mount which is upd…
Version 1.03 - June 12, 2018: It has become compatible with the EOS R and EOS RP mirrorless cameras.Note: To update the firmware, the SIGMA FLASH USB DOCK FD-11 for CANON mount which is upd…
Version 1.02 - December 22, 2017: It has become compatible with the EOS R and EOS RP mirrorless cameras.Note: To update the firmware, the SIGMA FLASH USB DOCK FD-11 for CANON mount which is upd…
Version 1.01 - June 23, 2017: It has become compatible with the EOS R and EOS RP mirrorless cameras.Note: To update the firmware, the SIGMA FLASH USB DOCK FD-11 for CANON mount which is upd…
The Sigma EF-630 is a high-powered external flash unit for Canon EF TTL cameras with a guide number of 63 at ISO 100/200mm and a built-in wide-angle diffuser covering down to 24mm. It supports TTL auto exposure, HSS high-speed sync, and multi-flash modes, and is designed for Canon DSLR and EOS mirrorless systems. The EF-630 is Sigma's top-of-the-line flash. It was originally released on February 1, 2016.
What is the latest firmware version of Sigma Electronic Flash EF-630 (Canon EF)?
The latest firmware version of Sigma Electronic Flash EF-630 (Canon EF) is 1.05. It was released on August 5, 2021.
What changed in Sigma Electronic Flash EF-630 (Canon EF) firmware version 1.05?
Sigma Electronic Flash EF-630 (Canon EF) firmware version 1.05 includes the following changes: It has changed the term of flash function to “Transmitter (TX) / Receiver (RX) Receive & Flash (R & FL)”.
Where can I download the latest Sigma Electronic Flash EF-630 (Canon EF) firmware?
Details and download instructions for the latest Sigma Electronic Flash EF-630 (Canon EF) firmware (version 1.05) are on Sigma's official release page: https://www.sigma-global.com/en/support/firmware/ef-630/?mount=canon-ef
How often does Sigma release firmware updates for Sigma Electronic Flash EF-630 (Canon EF)?
We have tracked 5 firmware versions of Sigma Electronic Flash EF-630 (Canon EF).