Nikon's D40 Digital SLR camera, with a 3X Zoom-Nikkor Lens, is thesmallest and easiest-to-use Nikon D-SLR ever. D40 Inherits Incredible Picture Quality from Nikon's Photographic Expertise, Making it Easy for Everyone to Take Breathtaking Pictures. Features an All-New, Visually Intuitive Interface, In-Camera Editing and Built-In Help Features.
Type of Camera Single-lens reflex digital cameraEffective Pixels 6.1 millionImage Sensor RGB CCD, 23.7 x 15.6 mm; total pixels: 6.24 millionImage Size (pixels) 3,008 x 2,000 [L], 2,256 x 1,496 [M], 1,504 x 1,000 [S]ISO Sensitivity 200 to 1,600 in steps of 1 EV with additional setting one step over 1600Storage Media SD memory card, SDHC compliantStorage System Compressed NEF (RAW): 12-bit compression,JPEG: JPEG baseline-compliantFile System Exif 2.21, Compliant DCF 2.0 and DPOFWhite Balance Auto (TTL white-balance with 420-pixel RGB sensor), six manual modes withfine-tuning and preset white balanceLCD Monitor 2.5-in., 230,000-dot, low-temperature polysilicon TFT LCD with brightness adjustmentPlayback Function 1 frame; Thumbnail (4 or 9 segments); Magnifying playback; Slide show;Histogram indication; Highlight point display; Auto image rotationDelete Function Card format, All frames delete, Selected frames deleteVideo Output NTSC or PALInterface USB: Mass Storage and PTP selectableText Input Up to 36 characters of alphanumeric text input available with LCD monitor andmulti selector; stored in Exif headerCompatible Lenses*1 Nikon F mount with AF coupling and AF contactsType G or D AF Nikkor1) AF-S, AF-I: All functions supported, 2) Other Type G or D AF Nikkor: All functionssupported except autofocus, 3) PC Micro-Nikkor 85mm f/2.8D: Can only be used inmode M; all other functions supported except autofocus, 4) Other AF Nikkor*2/AI-PNikkor: All functions supported except autofocus and 3D Color Matrix Metering II,5): Non-CPU: Can be used in mode M, but exposure meter does not function;electronic range finder can be used if maximum aperture is f/5.6 or faster*1. IX Nikkor lenses can not be used*2. Excluding lenses for F3AFPicture Angle Equivalent in 35mm  format is approx. 1.5 times lens focal lengthViewfinder Fixed-eyelevel penta-Dach mirror type; built-in diopter adjustment (-1.7 to +0.5m-1)Eyepoint 18mm (-1.0 m-1)Focusing Screen Type B BriteView Clear Matte screen Mark V with superimposed focus bracketsViewfinder Frame Coverage Approx. 95% (vertical/horizontal)Viewfinder Magnification Approx. 0.8x with 50mm lens at infinity; -1.0 m-1Viewfinder Information Focus indications, AE/FV lock indicator, Shutter speed, Aperture value, Exposure/Exposure compensation indicator, Exposure mode, Flash output level compensation,Exposure compensation, Number of remaining exposures, Flash-ready indicatorAutofocus TTL phase detection by Nikon Multi-CAM530 autofocus module with AF-assist(range approximately 1ft. 8in.-9ft. 10in.); Detection range: -1 to +19 EV (ISO 100at 68 F)Lens Servo 1) Autofocus (AF): Instant single-servo AF (AF-S); continuous servo AF (AF-C); autoAF-S/AF-C selection (AF-A); predictive focus tracking automatically activatedaccording to subject status, 2) Manual focus (M)Focus Area Can be selected from 3 focus areasAF Area Modes 1) Single Area AF, 2) Dynamic Area AF, 3) Dynamic Area AF with Closest Subject PriorityFocus Lock Focus can be locked by pressing shutter-release button halfway (single-servo AF)or by pressing AE-L/AF-L buttonExposure Metering System TTL full-aperture exposure metering system1) 3D Color Matrix Metering II (type G and D lenses); Color Matrix Metering II(other CPU lenses); metering performed by 420-segment RGB sensor2) Center-weighted:Weight of 75% given to 8mm circle in center of frame3) Spot: Meters 3.5mm circle (about 2.5% of frame) centered on active focus areaExposure Metering Range 1) 0 to 20 EV (3D Color Matrix or center-weighted metering), 2) 2 to 20 EV (spotmetering)Exposure Modes Digital Vari-program ( Auto, Auto [Flash Off], Portrait, Landscape,Child, Sports, Close Up, Night Portrait)Programmed Auto (P) with flexible program; Shutter-Priority Auto (S); AperturePriority Auto (A); Manual (M)Exposure Compensation 5 EV in increments of 1/3 EVExposure Lock Exposure locked at detected value with AE-L/AF-L buttonShooting Modes 1) Single frame shooting mode, 2) Continuous shooting mode: approx. 2.5 framesper second, 3) Self-timer mode, 4) Delayed remote mode: 2 s. delay,5) Quick-response remote modeShutter Combined mechanical and CCD electronic shutter, 30 to 1/4000 s. in steps of 1/3,bulbSync Contact X-contact only; flash synchronization at up to 1/500 s.Flash Control 1) TTL: TTL flash control by 420-segment RGB sensor. i-TTL balanced fill-flash fordigital SLR and standard i-TTL fill-flash for digital SLR available when CPU lens isused with Built-in Flash, SB-800, SB-600, and SB-400, 2) Auto aperture: Availablewith SB-800 with CPU lens, 3) Non-TTL Auto: Available with Speedlights such as SB-800, 80DX, 28DX, 28, 27, and 22s, 4) Range-priority manual available with SB-800Guide number (ISO 200/ISO 100, ft.): approx. 55/39 (manual full 59/42)Flash Compensation -3 to +1 EV in increments of 1/3 EVAccessory Shoe Standard ISO hot-shoe contact with sync, signal, and ground contacts and safety lockSelf-timer Electronically controlled timer with duration of 2, 5, 10 or 20 s.Remote Control Via Wireless Remote Control ML-L3 (optional)Power Source One Rechargeable Li-ion Battery EN-EL9; charging voltage (Quick Charger MH-23):7.4V DC, AC Adapter EH-5 (available separately; requires optional AC AdapterConnector EP-5)Tripod Socket 1/4 in. (ISO1222)Dimensions (W x D x H) Approx. 5.0 x 2.5 x 3.7 in.Weight Approx. 1lb. 1oz. without battery, memory card or body cap