マイクロフォーサーズシステム
The first Micro Four Thirds system camera was Panasonic Lumix DMC-G1, which was launched in Japan in October 2008. In April 2009, Panasonic Lumix DMC-GH1 with HD video recording added to it. The first Olympus model, the Olympus PEN E-P1, was shipped in July 2009.