Question: what are micro four thirds cameras?
Answer: January 2020) The Micro Four Thirds system (MFT or M4/3) (マイクロフォーサーズシステム, Maikuro Fō Sāzu Shisutemu) is a standard released by Olympus and Panasonic in 2008, for the design and development of mirrorless interchangeable lens digital cameras, camcorders and lenses.