Panasonic Toughpad 4K UT-MB5 tablet hands-on: 20-inch pro-spec slate shows off 4K potential - photo 1Panasonic Toughpad 4K UT-MB5 tablet hands-on: 20-inch pro-spec slate shows off 4K potential - photo 2Panasonic Toughpad 4K UT-MB5 tablet hands-on: 20-inch pro-spec slate shows off 4K potential - photo 3Panasonic Toughpad 4K UT-MB5 tablet hands-on: 20-inch pro-spec slate shows off 4K potential - photo 4Panasonic Toughpad 4K UT-MB5 tablet hands-on: 20-inch pro-spec slate shows off 4K potential - photo 5Panasonic Toughpad 4K UT-MB5 tablet hands-on: 20-inch pro-spec slate shows off 4K potential - photo 6Panasonic Toughpad 4K UT-MB5 tablet hands-on: 20-inch pro-spec slate shows off 4K potential - photo 7Panasonic Toughpad 4K UT-MB5 tablet hands-on: 20-inch pro-spec slate shows off 4K potential - photo 8