According to Tamron Japan, Tamron will officially release a new firmware update for Tamron 28-75mm f/2.8 Di III RXD Lens (B&H Photo Video & Adorama & Focus Camera) for Sony E-mount, to fix the AF issue “When focusing on movies, We confirmed the phenomenon that AF does not operate properly under circumstances “.
Translated from Tamron Japan:
Thank you very much for your continued patronage of Tamron products.
In combination with our lens 28-75 mm F / 2.8 Di III RXD (Model A 036) which was released on May 24, and Sony mirrorless camera, “When focusing on movies, We confirmed the phenomenon that AF does not operate properly under circumstances “.
We are investigating now and plan to respond by updating firmware.
Firmware update can be executed from a Sony mirrorless camera compatible with firmware upgrade. For details, we will show you on the “support information” page at a later date.In addition, if you register for Tamron Lens Life Members and you are requesting e-mail newsletters, we will inform you by email magazine as soon as details are known.
via: Tamon Japan