The previously reported Viltrox AF 20mm f/2.8 lens for Nikon Z-mount is now officially released and available for order at (check the pricing on the different websites):
Additional information:
Viltrox AF 20 / 2.8 FE is an autofocus lens designed for Sony E-mount and Nikon Z-mount camera models. With 10 elements in 8 groups, it features outstanding optical performance. The minimum focus distance about 0.19m produces nice close-up shots. The quiet STM focus motor can accurately control the moving position and bring accurate and smooth focusing. Great choice for portrait, landscape, close-ups and vlog shooting.