Nikon has announced US pricing and availability of its J4 1-System mirrorless camera. Originally launched last month, the J4 features an 18MP CX-format sensor with an improved Hybrid AF system. The company has also announced a new WP-N3 waterproof case and SB-N10 waterproof Speedlight. The underwater housing allows the Nikon 1 J4 and S2 cameras to be taken to depths of of 45m (148 ft). The new Speedlight is waterproof up to 100m (328 ft). Learn more
News: Digital Photography Review (dpreview.com)