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Nikon D7000 vs Sony Alpha DSLR-A390

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

NikonD7000SonyAlpha DSLR-A390
Overview
ReleasedOctober 2010July 2010
Image and sensor
Camera typeDSLRDSLR
Sensor formatAPS-CAPS-C
Sensor typeCMOSCCD
Sensor dimensions23.6 × 15.6 mm23.5 × 15.7 mm
Effective resolution16.2 MP14.2 MP
Largest image4928 × 32644592 × 3056
RAW recordingYesYes
Standard ISO range100–6400100–3200
Sensor detailDX CMOS with 16.2 million effective and 16.9 million total pixels; Image Sensor Cleaning and Image Dust Off reference data for optional Capture NX 2Approximately 14.9 million total pixels; RGB primary-colour filter; anti-static coating and image-sensor-shift dust reduction
Image formats12-bit or 14-bit NEF RAW, lossless-compressed or compressed; JPEG Fine/Normal/Basic with size-priority or optimal-quality compression; simultaneous RAW and JPEG; Picture Controls and in-camera NEF processingJPEG, RAW and RAW+JPEG; Sony ARW 2.1; 3:2 and 16:9; sRGB and Adobe RGB
ISO detailStandard ISO 100–6400 in one-third or half stops; expansion up to Hi 2, ISO 25600 equivalent; automatic sensitivity control–
Image processorEXPEED 2BIONZ (Sony launch announcement)
Lens and shooting
Lens mountNikon F mountSony A-mount
StabilisationOptical lens stabilisationSensor shift
Maximum continuous burst6 fps2.5 fps
Lens detailNikon F mount with AF coupling and contacts; body autofocus motor supports compatible AF lenses. Compatible non-CPU AI lenses support A/M exposure and metering when lens data are supplied; non-AI, IX and F3AF lenses excluded–
AutofocusMulti-CAM 4800DX phase-detection module, 39 points including nine cross-type; -1 to +19 EV at ISO 100, 20°C; AF fine-tuning, dynamic nine/21/39 points, 3D tracking and auto-area AF. Live view uses contrast AF with AF-S or AF-F and face/wide/normal/tracking areasNine-point TTL phase detection with central cross sensor; EV 0–18 at ISO 100; single, automatic and continuous AF plus manual focus; Eye-start AF and flash AF illumination
ShutterElectronically controlled vertical-travel focal-plane shutter; 1/8000 to 30 seconds in half or one-third stops, Bulb and Time with optional ML-L3; tested to 150000 cycles; X-sync 1/250 second, up to 1/320 with reduced guide numberElectronically controlled focal-plane shutter; 30 seconds to 1/4000 second and Bulb; flash sync 1/160 second
Burst detailHigh-speed approximately 6 fps; low-speed 1–5 fps; quiet release, mirror-up, interval timer, self-timer and optional ML-L3 remote modes; optional MB-D11 does not raise burst rateMaximum approximately 2.5 fps at full resolution using the optical viewfinder or approximately 2 fps in Quick AF Live View; maker specifies Fine JPEG until card fills, six RAW or three RAW+JPEG frames, depending on card and conditions
Stabilisation detailOptical VR depends on the attached lens; no sensor-shift stabilisationSteadyShot INSIDE sensor shift; approximately 2.5–3.5 shutter-speed steps depending on lens and shooting conditions
FlashBuilt-in pop-up i-TTL flash, guide number approximately 12 m at ISO 100, 20°C; commander mode and accessory shoe; Auto FP with compatible external SpeedlightsPop-up flash, guide number 10 m at ISO 100; ADI and pre-flash TTL; Sony Alpha accessory shoe; wireless flash with compatible optional external flash
Exposure controlsP/S/A/M, Auto and scene modes; U1/U2 custom presets; 2016-segment RGB matrix, centre-weighted and spot metering; ±5 EV compensation; exposure/flash, white-balance and Active D-Lighting bracketingP/A/S/M and scene modes; 40-segment honeycomb SPC metering; ±2 EV in 0.3 EV steps; three-frame exposure bracketing at 0.3 or 0.7 EV; Dynamic Range Optimizer Off, Standard and Advanced
Video
Highest video resolution1920 × 1080 at 24 fps–
Video detailFull HD 1920 × 1080 at 24p (23.976 fps), 1280 × 720 at 30p/25p/24p and 640 × 424 at 30p/25p depending on NTSC/PAL setting; approximately 20 minutes maximum; MOV H.264/MPEG-4 AVC with linear PCM audio. Photography Blog handling text incorrectly gives 1920 × 1280, MJPEG AVI and five-minute clips; own Nikon specification controlsNo movie recording (PhotographyBlog and TechRadar); HDMI is for still-image playback
AudioBuilt-in mono microphone; 3.5 mm external stereo microphone input with adjustable sensitivity–
Screen and viewfinder
ViewfinderOpticalOptical
Screen size3″2.7″
Screen dots921,000230,400
TouchscreenNo–
Tilting screenNoYes
Display detailFixed three-inch TFT with 921000 dots on current US specification, rounded to 920000 on Japan specification; 170° viewing angle; top status LCD and live-view display; dots count subpixelsClear Photo LCD, tilting up approximately 135° and down 55°; dots count colour subpixels; separate live-view sensor with approximately 90% frame coverage and 1.4×/2× cropped Smart Teleconverter
Viewfinder detailGlass pentaprism, approximately 100% coverage and 0.94× magnification with 50mm f/1.4 at infinity; 19.5 mm eyepoint; grid display and depth-of-field previewPentamirror optical viewfinder; approximately 95% coverage and 0.74× magnification with a 50 mm lens at infinity
Connections and design
Battery life (maker's claim)1050 photographs500 photographs
Body weight690 g497 g
Release detailNikon Japan records actual first sale on 29 October 2010; global announcement dated 15 September describes a new mid-class DX line, so no direct D90 predecessor is inferredSony Spain's original announcement specifies availability in the first half of July 2010; month precision retained. Sony Europe's parallel announcement states summer 2010; DPReview also reports July shipping
Recording mediaTwo SD/SDHC/SDXC slots; overflow, backup or RAW/JPEG split recording and card-to-card copyingSeparate Memory Stick PRO Duo/PRO-HG Duo/PRO-HG Duo HX and SD/SDHC card slots
PortsHi-Speed USB, NTSC/PAL A/V output, mini HDMI Type C, 3.5 mm microphone input and accessory terminal for optional MC-DC2 remote or GP-1 GPSUSB 2.0 Hi-Speed and mini HDMI Type C; supports BRAVIA Sync and PhotoTV HD; optional infrared remote, without wired remote-release terminal
Wireless connectionsOptional ML-L3 infrared release; no built-in Wi-Fi or GPS–
Battery life detailEN-EL15 lithium-ion battery; approximately 1050 shots per charge under CIPA conditions according to current Nikon USA specification; optional MB-D11 accepts one EN-EL15 or six AA cellsNP-FH50; approximately 500 photographs using the optical viewfinder or 230 in live view under maker CIPA conditions
ChargingExternal MH-25 charger; optional EH-5a mains adapter and EP-5B power connector–
DimensionsApproximately 132 × 105 × 77 mmApproximately 128.1 × 97.1 × 83.5 mm (width × height × depth, excluding protrusions)
Weight detailApproximately 690 g body only; 780 g with battery and SD memory card, excluding body capApproximately 497 g without battery, memory card or accessories; approximately 549 g including battery and Memory Stick PRO Duo
MaterialsMagnesium-alloy top and rear covers; body joints sealed against dust and moisture–
ColoursBlack–
In the boxEN-EL15, MH-25, UC-E4 USB cable, EG-D2 A/V cable, AN-DC1 strap, BM-11 LCD cover, BF-1B body cap, BS-1 shoe cover, DK-5 eyepiece cap, DK-21 eyecup and ViewNX 2 CD-ROM–

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