Sony Cyber-shot DSC-P51

Sony · Cyber-shot

Cyber-shot DSC-P51

Released 2002

A 2-megapixel compact camera with a 41–82 mm-equivalent optical zoom, optical finder and rechargeable AA batteries.

Type
Compact
Sensor
1/2.7-type
Megapixels
1.98
Lens
41–82 mm equivalent
Video
320 × 240 at 16.6 fps
Body weight
218 g

Image and sensor

Camera type
Compact
Sensor format
1/2.7-type
Sensor type
Super HAD CCD
Effective resolution
1.98 MP
Largest image
1600 × 1200
RAW recording
No
Standard ISO range
100–400
Sensor detail
1/2.7-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 formats
JPEG 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 lens
41–82 mm equivalent
Maximum aperture
f/3.8
Optical zoom
2×
Lens detail
Physical 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
Autofocus
Automatic Multi AF or centre AF with AF-assist illuminator; preset distances 0.5, 1, 3, 7 m and infinity, not continuous manual focusing
Shutter
Automatic mode 1/30–1/1000 second in exact UK table; slow-shutter scene behaviour is separate. No manual shutter selection
Burst detail
Multi 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
Flash
Built-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 controls
Automatic 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 resolution
320 × 240 at 16.6 fps
Video detail
Silent MPEG-1 HQX 320×240 at 16.6 fps in exact UK specifications; Presentation 320×240 and Video Mail 160×112 modes are separate
Audio
Movies record without sound; operational beep/shutter speaker is separate from audio recording

Screen and viewfinder

Viewfinder
Optical
Screen size
1.6″
Screen dots
61,600
Touchscreen
No
Tilting screen
No
Display detail
Fixed 1.6-type TFT with 61600 colour-subpixel dots (280×220); launch rounds to 61000 dots
Viewfinder detail
Optical zoom finder; no electronic finder

Connections and design

Body weight
218 g
Release detail
Sony 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 media
Memory Stick; 16 MB supplied. Manual includes recording tables through 128 MB; later Memory Stick PRO compatibility not established
Ports
USB 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 detail
Two 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
Charging
Supplied 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
Dimensions
126.9×58×47 mm width×height×depth, excluding protruding portions in manual
Weight detail
Approximately 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
In the box
Two 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

Pros and cons

Pros

  • 2× optical zoom and optical viewfinder
  • Supplied rechargeable AA batteries and external charger
  • AF illuminator and focus-distance presets

Cons

  • Silent low-resolution movies
  • No RAW or manual exposure
  • Fixed 1.6-inch screen

Closest rivals

Model
TypeSensorMegapixelsLensVideoBody weightReleased
Compact1/2.7-type239–117 mm equivalent320 × 240 at 16.6 fps177 g2002
Compact1/2.7-type233 mm equivalent320 × 240173 g2002
Compact1/2.7-type1.1142 mm equivalent320 × 240187 g2001

Sources

  1. sony.co.uk/electronics/support/compact-cameras-dsc-p-series/dsc-p51/specificati…
  2. sony.jp/cyber-shot/emdown/data/P71_opening.pdf
  3. dpreview.com/articles/0148751234/sonydscp
  4. old.imaging-resource.com/PRODS/P51/P51A.HTM
  5. submin.com/tinycams/sony/cyber_shot_files/dsc_fseries_en.pdf

Photo: Sony DSC-P51 photograph credited to Sony by digitalkamera.de; complete supplied 450 × 300 canvas and white background retained

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