Firmware update on Metabones adapter adds Sony A9 support
Metabones released the new firmware update V0. 57 for their Metabones Smart Adapter IV and EF-E Speed Booster ULTRA 0. 71x. You can download the firmware for WIN and MAC. Benefits and improvements: Added autofocus support during high speed and medium speed continuous drive (up to 10fps) on Sony A9 (“Green” mode only). sonyalpharumors.com »