Olympus released firmware updates for three PRO lenses. You can download them here. M.ZUIKO DIGITAL ED 12-40mm F2.8 PRO: Stability of lens aperture when shooting videos has been improved. MF shooting operations have been improved. Enhanced stability of AF operation when shooting video Improved AF operation when using the M.ZUIKO DIGITAL 1.4x Teleconverter MC-14. Enhanced … Continue reading M.ZUIKO Lens Updates