Viltrox 85mm f/1.8 Firmware update： Optimize the overexposure problem of Sony a1 external flash lamp and electronic shutter. AF 85 1.8 FE Mark I V1.2.3 Firmware Download Viltrox AF 85mm f/1.8 FE II: B&H Photo / Amazon VILTROX 56mm f/1.4: B&H Photo / Amazon VILTROX 33mm f/1.4: B&H Photo / Amazon VILTROX 23mm f/1.4: B&H Photo / Amazon Follow SonyAddict on Facebook, Twitter, Instagram, and YouTube Plus our owners’ groups Sony … Continue reading Viltrox 85mm AF f/1.8 V1 Firmware Update For Sony A1