Vitrox released a firmware update for the Viltrox AF 33mm f/1.4 that fixes some known issues. Firmware update instructions： 1. Fixed known issues. AF 33/1.4 XF V1.1.6 （silk screen logo）Firmware Download Black VILTROX 23mm f/1.4: B&H Photo / Amazon / Adorama VILTROX 33mm f/1.4: B&H Photo / Amazon / Adorama VILTROX 56mm f/1.4: B&H Photo / Amazon / Adorama VILTROX 85mm f/1.8II: B&H Photo / Amazon / Adorama Silver VILTROX 23mm … Continue reading Viltrox 33mm f/1.4 Firmware V1.1.6 Released