Tamron SP 90mm F/2.8 Di MACRO 1:1 VC USD (CANON EF)
firmware v3
Tamron · First seen Jul 4, 2026
v3 is not the latest firmware for the Tamron SP 90mm F/2.8 Di MACRO 1:1 VC USD (CANON EF): the current version is v4 (November 18, 2021). Go to v4
What's in this update
This update improves the following issues on the Canon EOS 5D Mark IV:1. The behavior when the camera is initially turned on with the lens mounted and takes several seconds to turn on.
- The behavior where power consumption was high with the lens mounted and the camera's battery would continue to drain even when the camera was switched off and stowed with the lenses mounted. Updated Serial Number: 009458 or later
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