Tamron 100-400mm F/4.5-6.3 Di VC USD (CANON EF)
firmware v3
Tamron · Released Feb 19, 2019 · First seen Jul 4, 2026
v3 is the latest firmware for the Tamron 100-400mm F/4.5-6.3 Di VC USD (CANON EF), released February 19, 2019.
What's in this update
This update improves the following:1. VC operation2. AF follow-up performanceUpdated Serial Number: 010459 or later
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