Canon EF 40mm f/2.8 STM
firmware v1.2.0
Canon · Released Apr 5, 2016 · First seen Jul 10, 2026
v1.2.0 is the latest firmware for the Canon EF 40mm f/2.8 STM, released April 5, 2016.
What's in this update
Release notes not published by vendor — see official page. Check Canon's website for the full details of what this update changes.
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