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About
Pentax Optio A20 digital camera specifications
Pentax Optio A20
Image
More information
Announced 21-Aug-06
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Format
Compact
Price (street)
Also known as
Release Status
Max resolution
3648 x 2736
Low resolution
3072 x 2736, 2592 x 1944, 2048 x 1536, 1600 x 1200, 1024 x 768, 640 x 480
Image ratio w:h
4:3
Effective pixels
10.0 million
Sensor photo detectors
10.4 million
Sensor size
1/2.5 "
(5.75 x 4.31 mm)
Pixel density
26 MP/cm²
Sensor type
CCD
Sensor manufacturer
Unknown
ISO rating
Auto, 64, 100, 200, 400, 800
Zoom wide (W)
38 mm
Zoom tele (T)
114 mm
(3 x)
Digital zoom
Yes, 4 x
Image stabilization
Yes, Sensor shift
Auto Focus
Yes
Manual Focus
Yes
Auto focus type
TTL
Normal focus range
35 cm
Macro focus range
6 cm
White balance override
5 positions, plus manual one-touch
Aperture range
F2.8 - F5.4
Min shutter
4 sec
Max shutter
1/2000 sec
Built-in Flash
Yes
Flash guide no.
7.1 m
(23.2 ft)
(Auto ISO)
External flash
No
Flash modes
Auto, On, Off, Red-eye reduction
Exposure compensation
-2 to +2 EV in 1/3 EV steps
Metering
Multi-segment, Center weighted, Spot
Aperture priority
No
Shutter priority
No
Focal length multiplier
Lens thread
No
Continuous Drive
Yes
Movie Clips
Yes, 640 x 480, 320 x 240, 30 fps, MPEG-4
Remote control
Optional
Self-timer
Yes
Timelapse recording
No
Orientation sensor
No
Storage types
SD/MMC card, Internal
Storage included
22 MB Internal
Uncompressed format
No
Compressed format
JPEG (EXIF 2.2)
Quality Levels
Normal, Fine, Superfine
Viewfinder
No
LCD
2.5 "
LCD Pixels
232,000
Video out
Yes
USB
Yes
Firewire (IEEE 1394)
No
Battery / Charger
Yes
Battery
Lithium-Ion rechargeable
Weight (inc. batteries)
145 g
(5.1 oz)
Dimensions
89 x 55 x 23 mm
(3.5 x 2.2 x 0.9 in)
Notes
Resolution Chart
Colour Patches