M.ZUIKO DIGITAL ED 12-50mm F3.5-6.3 EZ Ver.1.4 (Nov. 01 2016) Stability of lens aperture when shooting videos has been improved. Ver.1.3 (Jan. 15 2015) Stability of lens aperture when shooting videos has been improved. Ver.1.2 (Nov. 28 2013) The occasional unstable shooting after using EX. Tele Conv. when used in combination with a Panasonic camera […]