The Sony Alpha 7S III (ILCE-7SM3) is Sony's video-specialist full-frame mirrorless camera featuring a 12.1 MP stacked BSI-CMOS sensor optimized for low-light performance up to ISO 409600, 4K120p and 4K60p 10-bit video, 5-axis IBIS, and the first Alpha with a fully articulating LCD. It supports internal All-Intra recording and Cinema Line color science. The A7S III is the third generation of Sony's video-focused Alpha 7S lineup.