An official press conference for the Olympus OM-D E-M5 is set for February 8. However early leaks have surfaced for the retro-esque camera which takes much reference from the old OM-4T model. The bulky nature of the camera is thanks to the added battery grip which should give professionals the extra dexterity needed depending on the job. The mirrorless camera will surely have more details accompanying its official announcement in a few days.
Source: Photo Rumors