Pocket Panasonic: Lumix DMC-ZS60 / TZ80 packs 4K video, improved AF and new sensor: Digital Photography Review
Panasonic Lumix TZ60 (ZS40) : Review - YouTube
Amazon.com : Panasonic Lumix 4K Digital Camera with 30X LEICA DC Vario-ELMAR Lens F3.3-6.4, 18 Megapixels, and High Sensitivity Sensor - Point and Shoot Camera - DMC-ZS60K (BLACK) : Electronics