Viltrox AF 23/1.4 XF V1.1.1 Firmware Update Download Here 1. Fixed the issue of occasional splash screens on some camera models. 2. Update the drive to improve stability. Viltrox AF 33/1.4 XF V1.1.1 Firmware Update Download Here 1. Fixed the issue of occasional splash screens on some camera models. 2. Update the drive to improve stability. This firmware is … Continue reading Viltrox AF 23mm f/1.4, 33mm f/1.4, and 56mm f/1.4 Firmware Updates Released