YONGNUO 18F2.8S DF VCM is an 18mm F2.8 full-frame ultra-wide-angle autofocus prime lens for Sony E-mount cameras. Featuring a self-developed Voice Coil Motor (VCM), it delivers fast, quiet, and precise autofocus for photography and video. Its optical design consists of 10 elements in 8 groups, including 2 aspherical, 1 ED, and 3 LD elements, with nano coating to help reduce flare and maintain image clarity.

Designed for landscape, architecture, astrophotography, and video creation, this lens features a 101° field of view, low focus breathing, and a bright F2.8 aperture. It also supports in-camera distortion and peripheral shading correction on compatible Sony cameras. Additional features include a 0.2m minimum focusing distance, dual customizable Fn buttons, a control ring, a USB Type-C firmware update port, and a compact 375g dust- and splash-resistant aluminum alloy body. On Sony APS-C cameras, it provides a 27mm equivalent focal length.