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Pentax X90 User Manual

Pentax X90
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103
3
Taking Pictures
Setting the Exposure
Correct exposure of the subject is determined by the combination of
shutter speed and aperture value. There are many correct combinations
of shutter speed and aperture value for a particular subject. Different
combinations produce different effects.
By changing the shutter speed, you can manipulate how time is
expressed in the pictures you create. Unlike with your own naked eyes,
in a picture you can capture a fraction of a moment or a whole period of
time, creating different effects.
Use the b (Shutter Priority) mode.
Using slower shutter speed
If the subject is moving, the image will be
blurred because the shutter is open longer.
It is possible to enhance the effect of motion
(rivers, waterfalls, waves, etc.) by intentionally
using a slower shutter speed.
Using faster shutter speed
Choosing a faster shutter speed will allow
freezing the action of a moving subject.
A faster shutter speed also helps to prevent
camera shake.
Effect of Aperture and Shutter Speed
Effect of Shutter Speed

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Pentax X90 Specifications

General IconGeneral
Megapixel12.1 MP
Camera typeCompact camera
Sensor typeCCD
Image sensor size1/2.33 \
Maximum image resolution4000 x 3000 pixels
Digital zoom6.25 x
Optical zoom26 x
Combined zoom162.5 x
Focal length range26 - 676 mm
Number of aspheric elements4
InterfaceUSB 2.0
Digital SLRNo
Video capabilityYes
Camera shutter speed1/4000 - 1/4 s
Compatible operating systemsWindows XP/Vista/7 MacOS-X 10.3.9, 10.4, 10.5, 10.6
Display diagonal2.7 \
Display resolution (numeric)230000 pixels
MaterialPolycarbonate
Product colorBlack
FocusTTL
Normal focusing range0.52 - ∞ m
Auto focusing (AF) modesmulti point auto focus, spot auto focus
Closest focusing distance0.012 m
Super Macro focusing range0.012 - 0.39 m
Macro focusing range (tele)13.2 - 65.6 m
Normal focusing range (tele)1.7 - ∞ m
Normal focusing range (wide)0.4 - ∞ m
Flash modesauto, Flash off, manual, Red-eye reduction, Slow synchronization
Flash range (wide)12 m
Internal memory31.2 MB
Compatible memory cardssd, sdhc
Video formats supportedAVI
USB version2.0
Scene modesBacklight, beach, Candlelight, Children, Close-up (macro), Fireworks, Night, Night portrait, Panorama, party (indoor), Portrait, self-portrait, Sports, Sunset, Landscape (scenery)
Image editingcrop, resizing, rotating
Photo effectsBlack&White
White balanceauto, daylight, Fluorescent, manual, Shade, Tungsten
Camera playbackmovie, single image, slide show, thumbnails
Self-timer delay2, 10 s
Battery typerechargable
Operating temperature (T-T)0 - 40 °C
Viewfinder typeElectronic
Weight and Dimensions IconWeight and Dimensions
Depth109 mm
Width111 mm
Height83.8 mm
Weight427 g

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