Sony FDR-AX100 4K Camcorder for $1798 – Deal Alert August 28, 2014 By Eric Reagan B&H has the Sony FDR-AX100 4K camcorder for $1798 (reg. $1998) through August 30. The AX100 sports a 1″ Exmor R CMOS sensor with a 12x optical zoom lens. Check it out here at B&H Photo.