Hands-on with the Panasonic Lumix DMC-G7

The Panasonic Lumix DMC-G7 improves on its predecessor the G6 with a newer sensor, 2.36 million-dot electronic viewfinder and improved autofocus - plus this year's must-have feature: 4K video. Panasonic came to see us recently and dropped off a working pre-production sample for us to look at. Click through for our first impressions.