Viltrox is rumored to announce a new AF 9mm f/2.8 Air APS-C lens for Nikon Z-mount:
In the US, Viltrox lenses are sold at B&H Photo. International shipping is available from Pergear and the official Viltrox website. You can get 8% off at the Viltrox online store with the coupon code NIKONRUMORS:
Via PhotoRumors