Tamron SP 45mm F/1.8 Di VC USD (CANON EF) firmware

Firmware history

1. Version 4 Latest Released Oct 21, 2021 First seen Jul 4, 2026
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   This update i​mproves the following issues on the Canon EOS R5 / EOS R6:- Err 70 may occur during shooting. Note: Ca​non Mount Adapter EF-EOS R is required to attach the lens to Canon EOS R5 / EOS R6 .

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2. Version 3 First seen Jul 4, 2026
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   Corrected the error occurr​ing when using live view with the lens optical correction enabled.

   • This update is not intended to make optical correction available. To avoid ​malfunction, it is recommended to turn the optical correction off.Applicable camera models: EOS 6D Mark II, EOS 5D Mark IV, EOS 1DX Mark II, EOS Kiss X9
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3. Version 2 First seen Jul 4, 2026
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   Added compatibility with the TAP-in Console.

   • This ​update from Ver.1 to Ver.2 is available by returning your lens to us.For details about returning your lens, please contact your nearest Tamron​ dealer. For the list of Tamron dealers, please click here. Updated Serial Number: 011317 or later
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