Viltrox AF 14mm f/4 Air Z Lens (Nikon Z) Review

The Viltrox AF 14mm f/4 Air Z is an ultrawide prime for Nikon Z mount that brings full-frame coverage and autofocus to the budget end of the spectrum at $199. It's a straightforward option for landscape, architecture, and real estate shooters who need that extreme angle of view without spending four figures on first-party glass. The optical formula includes four extra-low dispersion elements, two high-refractive elements, and two aspherical elements, which should help control aberrations and distortion common to ultrawide designs. A fast STM motor handles autofocus duties, and the lens features internal focusing and an electronic aperture for smooth operation.

At f/4, this lens trades a stop or two of light for compactness and affordability. The 58mm filter thread is practical for adding circular polarizers or ND filters, and the HD nano multilayer coating should reduce flare and ghosting. For creators on a budget who need ultrawide capability on Nikon Z bodies, this lens fills a clear gap in the market where alternatives are typically much more expensive or require manual focus.