Dear users of Tamron interchangeable lenses. Thank you for using Tamron products.
We are pleased to inform you that a firmware update (to version 2) for the 100-400mm F/4.5-6.3 Di VC USD (model A035) for Nikon/Canon is now available.
Tap for more details about the firmware update.
The firmware can be updated using the TAP-in Console (sold separately). For those who do not own a TAP-in Console and require firmware update service or if you have a question about the update, please contact your local Tamron distributor for more details.
Note: This overwrite service will only apply to products which were legally and officially imported into the EU, Andorra, Gibraltar, Iceland, Norway, Switzerland, Turkey or Ukraine, and distributed by an authorized Tamron Europe distributor (see also: Grey market).