Both new Olympus PEN cameras share the same 16.1-megapixel High-Speed Live MOS Sensor and new TruePic VI image processing engine as the award-winning, flagship Micro Four Thirds system camera, Olympus OM-D E-M5.

ENGADGET: Olympus E-PL5 and E-PM2: Micro Four Thirds cameras with OM-D-like focusing, performance boosts (hands-on)

The Polaroid iM1836 camera will also offer consumers the flexibility to explore their creativity with interchangeable lenses, since all existing Micro Four Thirds system lenses will work with the iM1836 with an adapter.

ENGADGET: Polaroid confirms iM1836 mirrorless with Android, adds three more cameras

New lens elements and glass materials ensure the clearest possible imaging performance, and the proven dust and splashproof mechanism originally featured in the Four Thirds SHG (Super High Grade) series lenses is now incorporated for the first time in a Micro Four Thirds System lens.

ENGADGET: Olympus unveils a cavalcade of point and shoot cameras and a PEN lens at CES

Compatible with the Micro Four Thirds System standard, the lightweight LUMIX GH2 is newly designed with an easy-to-hold grip and includes a refined image processing engine and sensor that delivers fast, sharp photos, full HD video recording, and the ability to take 3D photos with Panasonic's new interchangeable 3D lens.

ENGADGET: Panasonic's $900 Lumix GH2 officially debuts: 16MP, 1080p movie mode, 3D interchangeable lens