Tamron SP 45mm F/1.8 Di VC USD (CANON EF)
firmware v4
Tamron · Released Oct 21, 2021 · First seen Jul 4, 2026
v4 is the latest firmware for the Tamron SP 45mm F/1.8 Di VC USD (CANON EF), released October 21, 2021.
What's in this update
This update improves the following issues on the Canon EOS R5 / EOS R6:- Err 70 may occur during shooting. Note: Canon Mount Adapter EF-EOS R is required to attach the lens to Canon EOS R5 / EOS R6 .
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