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Made by Sigma · firmware
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
Version 1.05, released August 5, 2021
Last checked for updates: Aug 2, 2026 17:12 UTC
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.
Official Sigma Electronic Flash EF-630 (Canon EF) product page
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.
The latest firmware version of Sigma Electronic Flash EF-630 (Canon EF) is 1.05. It was released on August 5, 2021.
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)”.
To update the Sigma Electronic Flash EF-630 (Canon EF) firmware, download the latest version (1.05) from Sigma's website. Follow Sigma's installation instructions, which typically involve copying the firmware file to a memory card or connecting via USB. You can download the latest firmware from Sigma's support page.
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
You can track Sigma Electronic Flash EF-630 (Canon EF) firmware updates automatically on LatestUpdate.io. We monitor Sigma's releases and notify you when new firmware versions are available, so you never miss an update.
We have tracked 5 firmware versions of Sigma Electronic Flash EF-630 (Canon EF). Sigma releases updates to fix bugs, improve performance, and add new features. Track this product on LatestUpdate.io to be notified of future releases.
Sigma Electronic Flash EF-630 (Canon EF) is manufactured by Sigma. Visit the official product page for more information.