The J4 basically updated the J3 sensor to 18mp. A few additional changes sneak in, as well.
- Sensor: 18.4mp Nikon CMOS sensor, 13.2x8.8 (2.7x crop), no AA filter
- Mount: Nikon CX
- Images: 5232 x 3488 JPEG or compressed 12-bit NEF maximum, 20 fps max with AF (60 fps without)
- Video: 1080P/60/30, 720P/120/60/30, 400P/288, 1200P/144, MPEG4 MOV file, stereo PCM audio
- Shutter: electronic 30 sec to 1/16,000 sec, bulb
- Exposure: matrix, center-weighted, spot metering, -3 to +3EV exposure compensation, 6 white balance settings (plus Auto and Custom), ISO 160-12800 (plus Auto)
- Focus: on imaging sensor 105 point phase detection plus contrast detect, single point, multi-area, face detect, tracking, manual focus override
- Display: 3” 1.04m dot fixed touchscreen LCD, no viewfinder
- Flash: GN 21 ft (6.3m, at ISO 160), Pop-up iTTL, no hot shoe, 1/60 flash sync, red-eye reduction, slow sync, rear sync
- Remote: IR receiver on front of camera (ML-L3 controller optional)
- Other Notable Features: WiFi, timelapse, motion snapshot (1 second at 1080P/60 plus full resolution still), smart photo selector, eight creative shooting modes including panorama
- Cards: microSD, microSDHC, microSDXC
- Battery: EN-EL22
- Size: 3.9 x 2.4 x 1.1” (99.5 x 60 x 28.5) wide, tall, deep
- Weight: 8.2 ounces (232g)
- Colors: White, Black, Silver, and Orange
- Price: US$600 with 10-30mm lens
- Current firmware: version 1.0
- Announced: Announced April 10, 2014, ships May 2014
