The Viltrox AF 56mm F1.7 is a compact portrait prime lens for Fujifilm X-mount APS-C mirrorless cameras, featuring an f/1.7 aperture equivalent to approximately 84mm field of view suited for portrait and everyday photography. It provides autofocus and supports firmware updates via USB. Part of Viltrox's APS-C prime lens lineup for Fujifilm X-mount cameras.