The Sigma EF-630 is a high-powered external flash unit for Nikon i-TTL cameras with a guide number of 63 at ISO 100/200mm and built-in wide-angle diffuser. It supports i-TTL auto exposure, HSS high-speed sync, and multi-flash modes for Nikon DSLR systems. The EF-630 is Sigma's flagship external flash.
Product released: February 1, 2016
Latest firmware version
Version 1.03, released August 5, 2021
Last checked for updates: Aug 2, 2026 17:09 UTC
What's new in version 1.03
It has changed the term of flash function to “Transmitter (TX) / Receiver (RX) Receive & Flash (R & FL)”.It adds compatibility with the Nikon Z 7II, D6, and D780.
LatestUpdate has tracked 3 versions of Sigma Electronic Flash EF-630 (Nikon F) firmware, released between December 22, 2017 and August 5, 2021.
Version 1.03 - August 5, 2021: It has changed the term of flash function to “Transmitter (TX) / Receiver (RX) Receive & Flash (R & FL)”.It adds compatibility with the Nikon Z 7II, D6, and D7…
Version 1.02 - May 23, 2019: It has become compatible with the Z7 and Z6 mirrorless cameras.It has corrected the phenomenon whereby it shows overexposure on the slave side when it is used…
Version 1.01 - December 22, 2017: It has become compatible with the Z7 and Z6 mirrorless cameras.It has corrected the phenomenon whereby it shows overexposure on the slave side when it is used…
The Sigma EF-630 is a high-powered external flash unit for Nikon i-TTL cameras with a guide number of 63 at ISO 100/200mm and built-in wide-angle diffuser. It supports i-TTL auto exposure, HSS high-speed sync, and multi-flash modes for Nikon DSLR systems. The EF-630 is Sigma's flagship external flash. It was originally released on February 1, 2016.
What is the latest firmware version of Sigma Electronic Flash EF-630 (Nikon F)?
The latest firmware version of Sigma Electronic Flash EF-630 (Nikon F) is 1.03. It was released on August 5, 2021.
What changed in Sigma Electronic Flash EF-630 (Nikon F) firmware version 1.03?
Sigma Electronic Flash EF-630 (Nikon F) firmware version 1.03 includes the following changes: It has changed the term of flash function to “Transmitter (TX) / Receiver (RX) Receive & Flash (R & FL)”.It adds compatibility with the Nikon Z 7II, D6, and D780.
How do I update the Sigma Electronic Flash EF-630 (Nikon F) firmware?
To update the Sigma Electronic Flash EF-630 (Nikon F) firmware, download the latest version (1.03) 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.
Where can I download the latest Sigma Electronic Flash EF-630 (Nikon F) firmware?
Details and download instructions for the latest Sigma Electronic Flash EF-630 (Nikon F) firmware (version 1.03) are on Sigma's official release page: https://www.sigma-global.com/en/support/firmware/ef-630/?mount=nikon-f
How do I check for Sigma Electronic Flash EF-630 (Nikon F) firmware updates?
You can track Sigma Electronic Flash EF-630 (Nikon F) 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.
How often does Sigma release firmware updates for Sigma Electronic Flash EF-630 (Nikon F)?
We have tracked 3 firmware versions of Sigma Electronic Flash EF-630 (Nikon F). Sigma releases updates to fix bugs, improve performance, and add new features. Track this product on LatestUpdate.io to be notified of future releases.
Who makes Sigma Electronic Flash EF-630 (Nikon F)?
Sigma Electronic Flash EF-630 (Nikon F) is manufactured by Sigma. Visit the official product page for more information.