The Panasonic GX8 introduces a new 20MP Four Thirds sensor to its class. It provides dual IS, ISO up to 25,600 and UHD 4K video recording. It's an all-around enticing update to Panasonic's Micro Four Thirds lineup, both for the potential of its new sensor and its rich feature set. We put it up against our studio test scene - take a look and compare it to its peers.