Tamron 28-75mm f/2.8 FE Lens Firmware V2 Testing Videos Tamron has released the firmware update V2 for 28-75mm f/2.8 Di III RXD lens (B&H Photo Video & Adorama & Focus Camera & Amazon). It seems that V2 firmware has solved the autofocus issue now. You can see these video reviews here. Related posts: Tamron 28-75mm f/2.8 Di III RXD Lens Official Sample Images Tamron will Fix 28-75mm f/2.8 FE Lens’s AF Issue via Firmware Update Tamron 28-75mm f/2.8 Di III RXD Lens Version 3 Firmware Released ! Tamron 28-75mm f/2.8 Di III RXD FE Lens Firmware Version 2.00 Released !