Sigma 18-35mm T2 (Canon EF mount)
firmware v1.01
Sigma · Released Aug 27, 2026 · First seen Aug 28, 2026
v1.01 is the latest firmware for the Sigma 18-35mm T2 (Canon EF mount), released August 27, 2026.
What's in this update
Fixed an issue where lenses were not correctly recognized when using the Canon EOS R5 C or EOS C50 with the Mount Adapter EF-EOS R series.
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