Dear users and potential purchasers of Tamron interchangeable lenses for Canon.

Thank you for using Tamron products.

We wish to notify you that the AF functions of the following interchangeable lenses for Canon do not function in Live View mode when used on the EOS 9000D (77D) and EOS Kiss X9i (Rebel T7i / 800D) which went on sale on April 7th, 2017 in Japan:

Model Name for Japanese Market Model Name for North American Market Model Name for European and Asian Market
EOS 9000D EOS 77D
EOS Kiss X9i EOS Rebel T7i EOS 800D

-Produced before May 11th, 2015
-Firmware not updated when below update services regarding the EOS cameras and Tamron lens have been announced
(EOS 5D Mark IV; 2016/9/16)
(EOS-1D X Mark II; 2016/6/2)
(EOS 80D; 2016/4/6)
(EOS 5Ds / 5DsR; 2015/6/22)
(Tamron SP150-600mm Model A011 for Canon; 2015/5/8)
(EOS 8000D (T6s) / Kiss X8i (Rebel T6i / 750D); 2015/5/8)

We sincerely apologize to all users and potential purchasers for any inconvenience the issue may cause.