This Viltrox 27mm f/1.2 Lens for Sony E-mount mirrorless cameras is a fast, portrait-length prime featuring advanced autofocus performance, a sophisticated optical design, and professional handling and reliability. Offering a large maximum aperture and shallow depth of field, this lens provides excellent low-light performance and exceptionally sharp image quality. A newly designed STM stepping motor provides fast and precise autofocus performance, and an easily accessible MF/AF switch enables you to quickly switch back and forth between manual and automatic focusing modes. Additionally, the lens also supports eye and face autofocus, animal autofocus, and additional automatic focusing modes. Robustly built, the lens showcases an all-metal lens body in a weather-resistant design, and metal electronic contacts support Exif information transmission.