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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 […]