Comparisons / Comparison of Pentax Optio A20 and Pentax Optio A30

Comparison of Pentax Optio A20 and Pentax Optio A30 [S]ave

Attribute
Pentax Optio A30 ×
Pentax Optio A20 ×
General
ModelPentax Optio A30Pentax Optio A20
BrandPentaxPentax
Manufacturer urlhttps://us.ricoh-imaging.com/https://us.ricoh-imaging.com/
Model numberA30A20
Camera formatUltra CompactCompact
Release year (year)20072006
Tripod mount--
Length (mm)8989
Width (mm)2323
Height (mm)5855
Weight (g)150145
Waterproof--
Image Sensor
Sensor typeCCDCCD
Effective megapixels (MP)1010
Sensor format1/1.8 inch1/1.8 inch
Sensor area (mm²)38.238.2
Sensor width (mm)7.187.18
Sensor height (mm)5.325.32
Approximate pixel pitch (micron)1.971.97
Aspect ratio4:34:3
Color filter typeRGBGRGBG
Self-cleaning--
Sensor shift image stabilization--
On-sensor phase detect--
Image Capture
Image resolution
  • 1024 x 768(0.8 mp 4:3)
  • 1600 x 1200(1.9 mp 4:3)
  • 2048 x 1536(3.1 mp 4:3)
  • 2592 x 1944(5.0 mp 4:3)
  • 3072 x 2304(7.1 mp 4:3)
  • 3648 x 2736(10.0 mp 4:3)
  • 640 x 480(0.3 mp 4:3)
  • 1024 x 768(0.8 mp 4:3)
  • 1600 x 1200(1.9 mp 4:3)
  • 2048 x 1536(3.1 mp 4:3)
  • 2592 x 1944(5.0 mp 4:3)
  • 3072 x 2304(7.1 mp 4:3)
  • 640 x 480(0.3 mp 4:3)
Image file format
  • jpeg (exif 2.2)
  • jpeg (exif 2.2)
Video Capture
Can take movies++
Movie resolution
  • 320x240
  • 640x480
  • 320x240
  • 640x480
Image Storage
Movie file formatAVI (MPEG-4 DivX)AVI (MPEG-4 DivX)
Composite video out++
Ntsc/pal switchable video++
Lens and Optics
LensSMC Pentax Zoom (7 elements in 5 groups, 3 aspherical)smc Pentax
Focal length (35mm equivalent) (mm)38.00 - 114.0037.00 - 112.00
Focal length (actual) (mm)7.007.00
Zoom ratio (x)33
Aperture range (f)0.19 - 0.360.19 - 0.36
Integrated nd filter--
Min focus range (cm)3535
Macro focus range (cm)6 - 406 - 40
Optical image stabilization--
Digital zoom++
Digital zoom values (x)
  • 5.4
  • 4
Auto Focus
Auto focus++
Auto focus type5 point AF, spot, tracking, and face recognition; Contrast Detect5 point contrast detection w/ spot, tracking, infinity landscape, and pan focus modes
Auto focus assist light+-
Manual focus++
Viewfinder
ViewfinderLCDLCD
Focus peaking--
Display
Eye-level viewfinder--
Rear display++
Rear display size (inch)2.52.5
Rear display resolution (dots)232,000232,000
Touchscreen--
Articulating screen--
Tilt swivel screen--
Selfie screen--
Max playback zoom (x)88
Exposure
Iso settingsAuto, 64, 100, 200, 400, 800, 1600, 3200* (blur reduction mode)Auto, 64, 100, 200, 400, 800, 1600* (blur reduction mode)
Auto iso mode--
White balance settings
  • auto
  • daylight
  • fluorescent
  • manual
  • shade
  • tungsten
  • auto
  • daylight
  • fluorescent light
  • manual
  • shade
  • tungsten light
Shutter speed range (s)1/2000 - 41/2000 - 4
Bulb mode--
Exposure compensation+/- 2.0EV in 0.3EV steps+/- 2.0EV in 0.3EV steps
Explosure metering modesTTL metering: Multi-segment, Center-weighted, SpotTTL metering: Multi-segment, Center-weighted, Spot
Program auto exposure++
Aperture priority--
Shutter priority++
Full manual exposure+-
Creative exposure modesNight Scene, Landscape, Portrait, Flower, Kids, Digital SR, Surf & Snow, Sport, Pet, Text, Food, Frame CompositeAuto Scene, Night scene, Movie, Voice record, Landscape, Flower, Portrait, Kids, Blur reduction, Surf & Snow, Candle Light, Text
Self timer (s)
  • 2
  • 10
  • 2
  • 10
High resolution composite--
Flash
Built-in flash++
Flash modes
  • auto
  • off
  • on
  • redeye
  • soft flash
  • auto
  • auto + red-eye reduction
  • auto backlight compensation
  • flash-off
  • flash-on
  • flash-on + red-eye reduction
Flash range descriptionWide: 0.20 - 23 ft (0.06 � 7.1 m); Tele: Approx. 1.15 � 11 ft (0.35 � 3.5 m)Wide: 0.20 - 23 ft (0.06 – 7.1 m); Tele: Approx. 1.15 – 11 ft (0.35 – 3.5 m)
Usable memory types
  • sd
  • sdh
  • sd
  • sdh
Dual card slots--
Raw capture support--
Included memory (MB)2224
Included memory typeInternalbuilt-in memory
Connectivity
Built-in wi-fi--
NFC--
Bluetooth--
Built-in gps--
Microphone jack--
Headphone jack--
External connections
  • usb 2.0 high speed
  • usb 1.1
Pictbridge compliant++
Dpof compliant++
Remote control++
Connections (extended)
  • dc input
  • dc input
Power
Battery life, stills (cipa rating monitor/live view) (shots)150-
Battery form factorProprietary D-LI8Proprietary D-LI8
Usable battery types
  • lithium ion rechargeable
  • lithium ion rechargeable
Batteries included1 x Proprietary D-LI8 Lithium Ion rechargeable1 x Proprietary D-LI8 Lithium Ion rechargeable
Battery charger included (dedicated charger or ac/usb adapter)++
Software
Included software
  • software (s-sw66)
  • software (s-sw42)
Os compatibility
  • mac os
  • windows
  • mac os
  • windows
Miscellaneous
Notes and featuresEnhanced Shake Reduction technology includes SR, Digital SR, and Movie SR. ISO 3,200 available in Digital SR Mode at 5MP.Software blur reduction mode locks resolution to 5 megapixels. Frame composition mode locks resolution to 3 megapixels.



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