Viltrox released firmware updates for its 50mm AF lenses for FE mount.
AF 50/1.8 FE V1.0.5 Download
Firmware update instructions：
1. Optimize the AFC effect.
2. Optimize the black border problem when taking pictures with high-speed shutter.
Viltrox 50mm f/1.8: B&H Photo / Amazon
Viltrox 35mm f/1.8: B&H Photo / Amazon
Viltrox 24mm f/1.8: B&H Photo / Amazon
VILTROX 85mm f/1.8 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