11-26-2018, 08:57 AM
Tokina announced an issue with their Canon version and Canon EOS 1DX II. Makes it necessary to send the lens in to Tokina - for a simple firmware update. Sigma and Tamron were more clever to sell their docks...
https://tokinalens.com/news/announcement...x_mark_ii/
https://tokinalens.com/news/announcement...x_mark_ii/