Viltrox released multiple firmware updates addressing a variety of issues Viltrox AF 20mm f/2.8 FE V1.1.2 Firmware Download Firmware update instructions： 1. optimize the lens edge focus problem. 2. repair some camera boot abnormal problem. 3. Fix some camera focus jitter problems. 4. Fixed some camera video mode focusing difficulties. 5. Fix the problem that … Continue reading Viltrox 20mm, 23mm, 27mm, 33mm, 56mm Firmware Updates Released