SONY E - FUJIFILM X The 17-70mm F/2.8 Di III-A2 VC RXD (Model B070) is a fast-aperture everyday zoom lens for Sony E-mount and FUJIFILM X-mount APS-C mirrorless cameras. Fast, sharp, quiet, and small With a focal length range of 17-70mm (a full-frame equivalent of 25.5-105mm)