Comparisons / Comparison of Pentax Optio W90 and Sony Cyber-shot DSC-T20

Comparison of Pentax Optio W90 and Sony Cyber-shot DSC-T20 [S]ave

Attribute
Pentax Optio W90 ×
Sony Cyber-shot DSC-T20 ×
General
ModelPentax Optio W90Sony Cyber-shot DSC-T20
BrandPentaxSony
Manufacturer urlhttps://us.ricoh-imaging.com/https://www.sony.com/
Model numberW90DSC-T20
Camera formatCompactUltra Compact
Release year (year)20102007
Tripod mount++
Length (mm)10790
Width (mm)2523
Height (mm)5956
Weight (g)161159
Waterproof--
PredecessorPentax W80-
Image Sensor
Sensor typeCCDCCD
Effective megapixels (MP)12.18
Sensor format1/2.3 inch1/2.5 inch
Sensor area (mm²)28.0724.71
Sensor width (mm)6.175.76
Sensor height (mm)4.554.29
Approximate pixel pitch (micron)1.541.76
Aspect ratio4:3, 16:94:3, 3:2
Color filter typeRGBG-
Self-cleaning--
Sensor shift image stabilization--
On-sensor phase detect--
Image Capture
Image resolution
  • 1024 x 768(0.8 mp 4:3)
  • 1920 x 1080(2.1 mp 16:9)
  • 2048 x 1536(3.1 mp 4:3)
  • 2592 x 1464(3.8 mp other)
  • 2592 x 1944(5.0 mp 4:3)
  • 3072 x 1728(5.3 mp 16:9)
  • 3072 x 2304(7.1 mp 4:3)
  • 4000 x 2256(9.0 mp other)
  • 4000 x 3000(12.0 mp 4:3)
  • 640 x 480(0.3 mp 4:3)
  • 1920 x 1080(2.1 mp 16:9)
  • 2048 x 1536(3.1 mp 4:3)
  • 2592 x 1944(5.0 mp 4:3)
  • 3264 x 2176(7.1 mp 3:2)
  • 3264 x 2448(8.0 mp 4:3)
  • 640 x 480(0.3 mp 4:3)
Image file format
  • jpeg (exif 2.2)
  • jpeg (exif 2.2)
Continuous-mode (fps)12
Video Capture
Can take movies++
Movie resolution
  • 1280x720
  • 320x240
  • 640x480
  • 320x240
  • 640x480
Image Storage
Movie file formatAVI (Motion JPEG)MPEG1
Composite video out++
Ntsc/pal switchable video++
Hd video out++
Lens and Optics
LensPentax zoom lens, 11 elements in 9 groups, 5 aspherical elementsCarl Zeiss Vario-Tessar (11 elements in 9 groups, 3 aspherical)
Focal length (35mm equivalent) (mm)28.00 - 140.0038.00 - 114.00
Focal length (actual) (mm)5.00 - 25.003.00 - 19.00
Zoom ratio (x)53
Aperture range (f)0.18 - 0.290.23 - 0.29
Integrated nd filter--
Min focus range (cm)5050
Macro focus range (cm)1 - 30-
Optical image stabilization--
Digital zoom++
Digital zoom values (x)
  • 6.25
  • 31.3
  • 2
  • 15
Auto Focus
Auto focus++
Auto focus type9-point Contrast Detection with face recognition, spot, pan, and auto tracking modes9-area Contrast Detect with Face Detection
Auto focus assist light++
Manual focus++
Viewfinder
ViewfinderLCDLCD
Focus peaking--
Display
Eye-level viewfinder--
Rear display++
Rear display size (inch)2.72.5
Rear display resolution (dots)230,000230,000
Touchscreen--
Articulating screen--
Tilt swivel screen--
Selfie screen--
Max playback zoom (x)105
Exposure
Iso settingsAuto (80-1600), Digital SR (80-6400), Manual (80, 100, 200, 400, 800, 1600, 3200, 6400), ISO 3200-6400 5MP or 3.8MPAuto, 80, 100, 200, 400, 800, 1600, 3200
Auto iso mode++
White balance settings
  • auto
  • daylight
  • fluorescent
  • manual
  • shade
  • tungsten
  • auto
  • cloudy
  • daylight
  • flash
  • fluorescent-1
  • fluorescent-2
  • fluorescent-3
  • incandescent
Shutter speed range (s)1/1500 - 41/1000 - 1
Bulb mode--
Exposure compensation+/- 2.0EV in 0.3EV steps+/- 2.0EV in 0.3EV steps
Explosure metering modesMulti-segment, Center-weighted, SpotMulti-pattern, Center-weighted, Spot
Program auto exposure+-
Aperture priority--
Shutter priority--
Full manual exposure--
Creative exposure modesNight Scene, Underwater, Landscape, Flower, Portrait, Digital Microscope (2.1M), Digital Wide (5M), Surf & SnowTwilight, Twilight Portrait, Landscape, Beach, Snow, Fireworks, High-Speed Shutter, High Sensitivity
Self timer (s)
  • 2
  • 10
  • 2
  • 10
Time lapse (intervalometer)+-
High resolution composite--
Flash
Built-in flash++
Flash modes
  • auto
  • auto + redeye
  • flash off
  • flash on
  • on + redeye
  • soft
  • auto
  • off
  • on
  • slow sync
Flash range description13 ft (wide, auto ISO), 8.2 ft (tele, auto ISO)Auto ISO: W:0.3-7.4 ft (0.1-3.0m) T:0.6-6.2 ft (0.25-2.5m)
Usable memory types
  • sd
  • sdh
  • ms duo
  • ms pro du
Dual card slots--
Raw capture support--
Included memory (MB)2631
Included memory typeInternalInternal
Connectivity
Built-in wi-fi--
NFC--
Bluetooth--
Built-in gps--
Microphone jack--
Headphone jack--
External connections
  • usb 2.0 high speed
  • usb 2.0 high speed
Pictbridge compliant-+
Dpof compliant++
Remote control+-
Remote control type
  • optional ir
-
Connections (extended)
  • hdmi out (type d)
  • hd 1080i video out with optional cable or cradle
Performance Timing
Max cycle time for jpeg shooting (s/frame)1.851.75
Camera penalizes early shutter press-+
Jpeg shooting speed in burst mode (max resolution) (fps)12
Buffer size for jpeg shooting in burst mode (max resolution) (frames)-11
Shutter lag (full af, wide/mid) (s)0.260.37
Shutter lag (full af, tele) (s)0.270.54
Shutter lag (manual focus) (s)-0.35
Shutter lag (prefocused) (s)00.01
Startup time (s)2.11.9
Play -> record time (s)-1
Flash cycle time, full power (s)5.86.1
Power
Battery life, stills (cipa rating monitor/live view) (shots)205380
Battery form factorProprietary D-LI88Proprietary NP-BG1
Usable battery types
  • lithium-ion rechargeable
  • lithium ion rechargeable
Batteries included1 x Proprietary D-LI88 Lithium-ion rechargeable1 x Proprietary NP-BG1 Lithium Ion rechargeable
Battery charger included (dedicated charger or ac/usb adapter)++
Software
Included software
  • software s-sw102 (cd rom)
  • music transfer
  • picture motion browser v2.0
  • usb driver
Os compatibility
  • mac os x 10.3.9+
  • windows xp/vista/7
  • mac os
  • windows
Miscellaneous
Notes and featuresWaterproof to 20 feet, Shockproof to 4 feet, Coldproof to sub-freezing temperatures, Dustproof. 720p HD Movies, HDMI OutputSuper Steady Shot optical image stabilization; HD video out (1080i); Face-Detect AF, In-camera retouching (Soft Focus, Fish-eye



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