For those on the leading edge, Sony announces enthusiast 4K Handycam: Digital Photography Review
First Look: Sony | FDR-AX1 4K Handycam - YouTube
4K UHD Professional Video Camera | FDR-AX1 | Sony UK
Sony Alpha 6100 Mirrorless 4K Video Camera with E PZ 16-50mm Lens Black ILCE6100L/B - Best Buy
Amazon.com: Sony Handycam FDR-AX700 4K HD Video Camera Camcorder with 128GB Memory Card + Carrying Case + HDMI Cable and More - Starter Kit : Electronics
Sony PXWZ150 4K XDCAM Camcorder | Full Compass Systems
FDR-X3000 4K Action Cam with Wi=Fi & GPS | FDR-X3000 / FDR-X3000R | Sony LR
Dodd Camera - SONY FDR AX53 Digital 4k Camcorder with 20x Zeiss lens
Sony Announces PXW-Z100, Ushers Era of 4K Camcorder | Filmmaker Magazine
Sony's A6300 mirrorless camera has 4K video and fast autofocus - The Verge
Amazon.com : Sony FDRAX1 4K Camcorder Video Camera with 20x Optical Zoom with 3.5-Inch LCD : Professional Camcorders : Electronics
4K Camcorder | Portable Video Camera | FDR-AX100E | Sony UG
Sony releases new 4K Handycam with image stabilization | Popular Photography
Sony FDR-AX100 4K Camcorder - Black for sale online | eBay
4K Camcorder | Portable Video Camera | FDR-AX100E | Sony LR
Sony's 4K security camera can spot intruders in the dark | Engadget