Viltrox AF 75mm f/1.2 PRO XF: B&H Photo / Amazon / Adorama Last month Viltrox released beta firmware 1.01 and later firmware 1.02 to improve the autofocus of the Viltrox 75mm f/1.2 Pro. It is interesting seeing the comparisons that youtubers have put together because I haven’t really had any issue with the Viltrox 75mm f/1.2 Pro XF on my … Continue reading Viltrox 75mm f/1.2 Pro XF Firmware Update Reviews