Olympus PEN-F - Wikipedia

File:Vintage Olympus Pen F Single Lens Reflex Half-Frame Camera, Made In Japan, Circa 1963 (35047106543).jpg - Wikimedia Commons

File:Olympus Pen E-PL1 IMG 5360.JPG - Wikipedia

File:Olympus Pen EE-2 241-2599.jpg - Wikimedia Commons

File:Olympus IMG 2163.jpg - Wikipedia

Olympus Pen F, Half-frame SLR 35mm film camera, Cameras, History of Olympus Products, Technology

Olympus Pen F, Camerapedia

File:Olympus - Pen F (2759483525).jpg - Wikipedia

Lomopedia : Olympus Pen · Lomography

Wikipedia entry suggests Olympus OM-D E-M5 Mark III, PEN-F II are due in 2018 - Camera Jabber