Pentax Optio A20 User Manual

58
Taking Pictures
4
6 Use the four-way controller (45)
to select a desired shutter speed.
The proper aperture value will be set
automatically.
If the camera cannot adjust it appropriately,
an exposure warning appears in the bottom
center of the LCD monitor.
Adjust the exposure using the warning as a
reference.
When appears : Increase the shutter
speed.
When appears : Decrease the shutter speed.
7 Press the OK button.
The camera is ready for taking pictures.
Set other functions when necessary.
4 Use the four-way controller (23) to select (Manual
Exposure mode), and press the OK button.
5 Press the four-way controller
(3).
The screen for selecting the shutter
speed and aperture value appears.
6 Use the four-way controller
(45) to select a desired shutter
speed and (2) to select a
desired aperture value.
Depending on the shutter speed and aperture value you set, an
exposure warning may appear for your reference.
If you compensate the exposure (p.94) already set in Shutter Priority
mode, the compensation value appears below the exposure
warning.
“Setting the Shooting Functions” 1p.78~p.105
To Select the Manual Exposure mode
36
36
12:00
12:00
08/25/2006
08/25/2006
F2.8
F2.8
1/250
1/250
1/250
F2.8
-0.3
0.3
-0.3
+0.3
+0.3
+0.3
08/25/2006
12:00
36
Exposure
warning
Compensation
value
1/320
1/320
1/320
F2.8
F2.8
F2.8
OK
OK
OK
Shutter speedAperture

Pentax Optio A20 Specifications

General

Megapixel	10 MP
Sensor type	CCD
Image sensor size	1/1.8 \
Maximum image resolution	3648 x 2736 pixels
Still image resolution(s)	640 x 480, 1024 x 768, 1600 x 1200, 2048 x 1536, 2592 x 1944, 3072 x 2304, 3648 x 2736
Digital zoom	4 x
Focal length range	7.9 - 23.7 mm
Digital SLR	No
Built-in flash	Yes
Camera shutter speed	4 - 1/2000 s
Effective sensor resolution	1037000 pixels
Compatible operating systems	Windows 98/98SE/Me/2000/XP
Focal length (35mm film equivalent)	38 - 114 mm
Focus adjustment	Auto
Normal focusing range	0.35 - ∞ m
Super Macro focusing range	0.06 - 0.15 m
Macro focusing range (wide)	0.12 - 0.4 m
Light metering	Centre-weighted, Spot
ISO sensitivity	64, 100, 200, 400, Auto
Internal memory	22 MB
Compatible memory cards	sd
Maximum memory card size	4 GB
Motion JPEG frame rate	30 fps
Video formats supported	AVI
Maximum video resolution	640 x 480 pixels
Display diagonal	2.5 \
Display resolution (numeric)	232000 pixels
USB version	2.0
Scene modes	beach, Children, Documents, Night, Portrait, Sports, Landscape (scenery)
White balance	auto, daylight, Fluorescent, manual, Shade, Tungsten
Self-timer delay	2, 10 s
Product color	Silver
Battery type	D-LI8
Flash modes	auto, Flash off, Red-eye reduction
Camera shutter type	Electronic

Weight and Dimensions

Depth	23 mm
Width	88.5 mm
Height	54.5 mm
Weight	125 g