Tamron 100-400mm f/4.5-6.3 Di VC USD (A035) in Canon EF mount is a full-frame ultra-telephoto zoom built from 17 elements in 11 groups with a 67mm filter thread. It weighs 1,135g and is 199mm long, with 4-stop CIPA vibration compensation, a USD autofocus motor and a 1.5m minimum focus distance.
Product released: November 1, 2017
Latest firmware version
Version 3, released February 19, 2019
Last checked for updates: Oct 31, 2026 17:33 UTC
What's new in version 3
This update improves the following:1. VC operation2. AF follow-up performanceUpdated Serial Number: 010459 or later
What is Tamron 100-400mm f/4.5-6.3 Di VC USD (A035) Canon EF?
Tamron 100-400mm f/4.5-6.3 Di VC USD (A035) in Canon EF mount is a full-frame ultra-telephoto zoom built from 17 elements in 11 groups with a 67mm filter thread. It weighs 1,135g and is 199mm long, with 4-stop CIPA vibration compensation, a USD autofocus motor and a 1.5m minimum focus distance. It was originally released on November 1, 2017.
What is the latest firmware version of Tamron 100-400mm f/4.5-6.3 Di VC USD (A035) Canon EF?
The latest firmware version of Tamron 100-400mm f/4.5-6.3 Di VC USD (A035) Canon EF is 3. It was released on February 19, 2019.
What changed in Tamron 100-400mm f/4.5-6.3 Di VC USD (A035) Canon EF firmware version 3?
Tamron 100-400mm f/4.5-6.3 Di VC USD (A035) Canon EF firmware version 3 includes the following changes: This update improves the following:1. VC operation2. AF follow-up performanceUpdated Serial Number: 010459 or later
Where can I download the latest Tamron 100-400mm f/4.5-6.3 Di VC USD (A035) Canon EF firmware?
Details and download instructions for the latest Tamron 100-400mm f/4.5-6.3 Di VC USD (A035) Canon EF firmware (version 3) are on Tamron's official release page: https://www.tamron.com/global/consumer/support/download/firmware/a035/canon_ef/