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Sony Cyber-shot DSC-H400 vs Sony Cyber-shot DSC-P51

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

Better figure, where one is clearly better

SonyCyber-shot DSC-H400SonyCyber-shot DSC-P51
Overview
Released20142002
Image and sensor
Camera typeBridgeCompact
Sensor format1/2.3-type1/2.7-type
Sensor typeSuper HAD CCDSuper HAD CCD
Effective resolution20.1 MP1.98 MP
Largest image5152 × 38641600 × 1200
RAW recordingNoNo
Standard ISO range80–3200100–400
Sensor detail1/2.3-type CCD with 20.4 million total photosites; optical format is not a physical dimension1/2.7-type primary-colour interlaced Super HAD CCD; approximately 2.10 million total and 1.98 million effective photosites in the exact P51 manual entry; UK specifications round effective resolution to 2.0 MP
Image formatsJPEG (DCF, Exif and MPF Baseline); Sweep Panorama stitches multiple exposures separately from sensor resolutionJPEG stills with Fine/Standard compression; GIF Clip Motion and MPEG-1 movies. No RAW or TIFF recording
ISO detail–Auto or manually selected ISO 100, 200 or 400; no continuous ISO dial
Image processor–12-bit DXP A/D conversion in exact UK specifications; Clear Colour NR, Clear Luminance NR and NR Slow Shutter. September 2002 Europe brochure lists 14-bit for P51, conflicting with exact UK table; 12-bit retained
Lens and shooting
Built-in lens24.5–1550 mm equivalent41–82 mm equivalent
Maximum aperturef/3.4–6.5f/3.8
Optical zoom63×2×
StabilisationOptical lens stabilisation–
Maximum continuous burst0.71 fps–
Lens detailSony lens, actual 4.4–277 mm; 24.5–1550 mm equivalent for stills. Movie equivalents 32.1–2029 mm at 16:9 or 29.2–1849 mm at 4:3. 55 mm filter diameter; not a ZEISS lensPhysical focal length 6.3–12.6 mm, equivalent to 41–82 mm, F3.8. Full-range autofocus from 8 cm at wide angle or 50 cm at telephoto, without a separate Macro mode. 3× digital enlargement is separate from the 2× optical zoom
AutofocusMulti-point, centre, spot, tracking and face-tracking autofocus; AF illuminator. Published minimum distance approximately 1 cm wide or 3.5 m telephotoAutomatic Multi AF or centre AF with AF-assist illuminator; preset distances 0.5, 1, 3, 7 m and infinity, not continuous manual focusing
ShutterIntelligent Auto 2–1/2000 second, Program 1–1/2000, Manual 30–1/2000Automatic mode 1/30–1/1000 second in exact UK table; slow-shutter scene behaviour is separate. No manual shutter selection
Burst detailApproximately 0.71 fps at maximum still resolution, up to 100 framesMulti Burst records sixteen 320×240 subframes at intervals 1/30, 1/15 or 1/7.5 second into one composite still, not sixteen full-resolution separate frames. No full-resolution continuous rate established; the UK 1.9-second figure is startup time
Stabilisation detailOptical SteadyShot; optical zoom available during movie recording–
FlashBuilt-in pop-up flash; ISO Auto range approximately 0.4–8.8 m wide or 3.5–4.6 m telephoto. Advanced Flash increases sensitivity; no external flash connectionBuilt-in flash with Auto, forced, off and red-eye reduction; ISO Auto recommended distance 0.4–2.8 m at both zoom ends. No accessory or hot shoe
Exposure controlsIntelligent Auto, Easy, Program, aperture priority, shutter priority, Manual, Sweep Panorama, scene selection and picture effects; ±2 EV in 1/3 EV steps; manual exposure offers F3.4 or F8.1 at maximum wide angle, F6.5 or F8.0 at maximum telephoto, rather than a continuous aperture rangeAutomatic exposure with ±2 EV in 1/3 EV steps, multi-pattern/spot metering and Twilight, Twilight Portrait or Landscape scenes; no aperture/shutter priority or manual exposure
Video
Highest video resolution1280 × 720 at 30 fps320 × 240 at 16.6 fps
Video detailMP4 MPEG-4 AVC/H.264, 1280×720 at 30 progressive fps in Fine or Standard quality; VGA at 30 fps. No 1080p recording; Fine approximately 9 Mbps, Standard 6 Mbps, VGA 3 Mbps. General continuous recording limit approximately 29 minutes; 720p Fine approximately 15 minutes due to 2 GB file limit. HD movies require a memory cardSilent MPEG-1 HQX 320×240 at 16.6 fps in exact UK specifications; Presentation 320×240 and Video Mail 160×112 modes are separate
AudioBuilt-in monaural microphone and speaker; exact Sony operating instructions distinguish these from incorrect stereo descriptions in some reviewsMovies record without sound; operational beep/shutter speaker is separate from audio recording
Screen and viewfinder
ViewfinderElectronicOptical
Screen size3″1.6″
Screen dots460,80061,600
TouchscreenNoNo
Tilting screenNoNo
Display detailFixed 3-inch TFT LCD with 460800 colour-subpixel dots and five brightness settingsFixed 1.6-type TFT with 61600 colour-subpixel dots (280×220); launch rounds to 61000 dots
Viewfinder detail0.2-type electronic viewfinder with approximately 201600 equivalent dots, 100% coverage and dioptre adjustment; manual screen/viewfinder switchingOptical zoom finder; no electronic finder
Connections and design
Wi-FiNo–
Battery life (maker's claim)300 photographs–
Body weight628 g218 g
Release detailSony announced planned March 2014 US and April 2014 UK availability; April reviews describe the sold camera. Earliest worldwide actual first-sale month remains unresolved, so year precision retainedSony announced on 20 February 2002 with planned US availability at the end of April 2002; contemporary Imaging Resource full test updated 16 May 2002 and Sony Europe September 2002 brochure establish 2002 product coverage. Earliest actual worldwide first-sale month is unresolved, so year precision retained; planned April timing is not treated as proof of sale. No explicit direct predecessor claim established
Recording mediaApproximately 55 MB internal memory; Memory Stick Duo/PRO Duo/PRO-HG Duo/XC-HG Duo, Memory Stick Micro, SD/SDHC/SDXC and microSD/microSDHC/microSDXC, using appropriate adaptersMemory Stick; 16 MB supplied. Manual includes recording tables through 128 MB; later Memory Stick PRO compatibility not established
PortsUSB / A/V OUT jack for USB 2.0 and standard-definition analogue video/audio output; no HDMIUSB mini-B with normal mass-storage or PTP setting, separate NTSC/PAL VIDEO OUT minijack without audio and DC IN for optional AC-LS1
Battery life detailNP-BX1 lithium-ion battery, nominal 3.6 V, 1240 mAh / 4.5 Wh. CIPA approximately 300 stills/150 minutes using LCD or 320 stills/160 minutes using viewfinder. Typical movie shooting approximately 60/75 minutes LCD/viewfinder; continuous movies approximately 120/135 minutesTwo supplied NH-AA-DI Ni-MH AA cells. Exact manual average-use test at 25°C: approximately 280 images/140 minutes at 1600×1200 Fine, LCD on, one shot every 30 seconds, alternating zoom ends, flash every second shot and restart every 10 shots; not labelled CIPA. Separate continuous Standard/no-flash/3-second-interval test: approximately 3000 images/150 minutes LCD on or 3600/180 off. P31 emergency alkaline permission does not apply to P51
ChargingIn-camera USB charging with supplied AC-UB10C adapter or a computer; camera switched off. Approximately 230 minutes for a full charge using supplied adapter; supplied adapter supports playback power but not shooting power. Shooting mains power requires separately sold AC-UD10 or region-dependent AC-UD11Supplied external BC-CS1 charger: approximately 13 hours for fully depleted supplied Ni-MH cells at 25°C. Cells removed from camera for charging; optional faster kit available. Optional AC-LS1 supplies camera power
Dimensions129.6×95.0×122.3 mm width×height×depth (CIPA)126.9×58×47 mm width×height×depth, excluding protruding portions in manual
Weight detailApproximately 628 g body only; approximately 655 g with NP-BX1 battery and Memory Stick PRO Duo under CIPA conditionsApproximately 218 g body only in exact Sony UK specifications; approximately 275 g with two batteries, Memory Stick and wrist strap in manual and UK table
MaterialsSony states the camera is not dust-proof, splash-proof or waterproof–
ColoursBlack–
In the boxNP-BX1 battery, AC-UB10C adapter, dedicated USB cable, shoulder strap, lens cap and instructions; mains lead supplied outside USA, Canada and ChinaTwo rechargeable AA Ni-MH batteries, BC-CS1 charger and mains lead, 16 MB Memory Stick, USB and video cables, wrist strap, software CD and operating instructions; AC-LS1 optional

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