Technical Specifications:

Effective pixels
 24.5 million

Image sensor
 CMOS sensor, 35.9 x 24.0 mm; Nikon FX format; total pixels: 25.72 million

Image size (pixels)
 FX format (36 x 24): 6,048 x 4,032 [L], 4,544 x 3,024 [M], 3,024 x 2,016 [S]
DX format (24 x 16): 3,968 x 2,640 [L], 2,976 x 1,976 [M], 1,984 x 1,320 [S]
5:4 (30 x 24): 5,056 x 4,032 [L], 3,792 x 3,024 [M], 2,528 x 2,016 [S] 

Sensitivity
 ISO 100 to 1600 in steps of 1/3, 1/2, or 1 EV; can be set to approx. 0.3, 0.5, 0.7, or 1 EV (ISO 50 equivalent) below ISO 100, or to approx. 0.3, 0.5, 0.7, 1, or 2 EV (ISO 6400 equivalent) over ISO 1600

Storage media
 CompactFlash (Type I/II, compliant with UDMA); Microdrives
 
LCD monitor
 3-in., approx. 920k-dot (VGA), 170-degree wide-viewing-angle, 100% frame coverage, low-temperature polysilicon TFT LCD with brightness adjustment

Exposure metering
 TTL full-aperture exposure metering using 1,005-pixel RGB sensor
1) 3D Color Matrix Metering II (type G and D lenses); Color Matrix Metering II (other CPU lenses); Color Matrix Metering (non-CPU lenses if user provides lens data)
2) Center-weighted: Weight of 75% given to 8-, 15- or 20-mm circle in center of frame, or weighting based on average of entire frame
3) Spot: Meters 4-mm circle (about 1.5% of frame) centered on selected focus area (on center focus area when non-CPU lens is used) 

Exposure modes
1) Programmed Auto (P) with flexible program,
2) Shutter-Priority Auto (S),
3) Aperture-Priority Auto (A),
4) Manual (M)

Interface
 Hi-speed USB

Power sources
 One Rechargeable Li-ion Battery EN-EL4a/EL4, Quick Charger MH-22/MH-21, AC Adapter EH-6 (optional)

Dimensions (W x H x D)
 Approx. 159.5 x 157 x 87.5 mm (6.3 x 6.2 x 3.4 in.)

Weight
 Approx. 1,220 g (2 lb. 11 oz.) without battery, memory card, body cap or accessory shoe cover