85mm F/1.8 F1.8 Mark II STM Full-Frame 85mm f1.8 ii for AF Auto Focus for Sony E-Mount Camera A7III A7RIII A7SII A7II a6500 a6400 a6300

A stepping motor (STM) is used to drive the autofocus and the lens features a minimum focusing distance of 80cm ( 2.62 ft). The front filter size is 72mm and integrated contacts power the aperture mechanism and deliver EXIF data to compatible Sony cameras.; The lens, which has an aperture range of F 1.8 to F16, is designed for full-frame Sony cameras, but also works as a 127.5 mm equivalent on APS-C cameras.; It's constructed of ten elements in seven groups, including one extra-low dispersion element and four specialty elements made from 'highly transparent glass, ' which reduces aberrations and improves color rendering.

; Uses an 'HD Nano' multi-layer coating on individual elements to minimize ghosting and flares.; The lens is an integrated microUSB port located on the rear metal mount of the lens. This connector is used to upgrade the lens' firmware.