Viltrox 56mm f/1.7:  Amazon / B&H Photo Viltrox released firmware 1.0.2 to addressing some minor issues. 1. Fixed the issue of the lens deviating from focus during close-range focusing at F1.7 aperture. AF 56/1.7 XF V1.0.2  Firmware Download Related posts: New Viltrox 56mm f/1.7 Announced Viltrox 56mm f/1.7 Reviews – Another Sharp High Quality Reasonably Priced Lens Viltrox 85mm … Continue reading Viltrox 56mm f/1.7 Firmware Update