Notice about Firmware Update for Tamron 28-75mm F/2.8 Di III RXD (Model A036) Dear users and potential purchasers of Tamron interchangeable lenses. Thank you for using Tamron products. We are pleased to inform you that the firmware update for the 28-75mm F/2.8 Di III RXD (Model A036) for Sony E-mount, full-frame mirrorless cameras, is now … Continue reading Tamron 28-75mm F/2.8 Di III RXD Firmware Update Ver 2 (Improves Known Issues For Autofocus)