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Pentax K-X User Manual

Pentax K-X
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88
Shooting Functions
4
Setting the Exposure
Correct exposure of the subject is determined by the combination of
shutter speed and aperture setting. 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.
By changing the aperture, you can control the depth of the area that
appears in focus in the picture (the depth of field). By either narrowing the
focus to emphasize a single point or giving depth to your picture instead
you can completely change the feel of the picture you create.
Use the c (Aperture Priority) mode.
Effect of Aperture and Shutter Speed
Effect of Shutter Speed
Effect of Aperture

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Pentax K-X Specifications

General IconGeneral
Megapixel12.4 MP
Camera typeSLR Camera Body
Sensor typeCMOS
Image stabilizerYes
Maximum image resolution4288 x 2848 pixels
Digital zoom0 x
InterfaceUSB
Color depth12 bit
Dimensions (WxDxH)122.5 x 67.5 x 91.5 mm
Camera shutter speed30 - 1/6000 s
Effective sensor resolution12400000 pixels
Compatible operating systemsWindows XP/Vista/7 Mac OS-X 10.3-10.5
Auto focusing (AF) modescontinuous auto focus, single auto focus
Flash modesauto, Flash off, manual
Flash guide number16 m
Motion JPEG frame rate24, 4.7 fps
Video formats supportedAVI
Maximum video resolution1280 x 720 pixels
Display diagonal2.7 \
Display resolution (numeric)230000 pixels
Magnification0.85X x
USB version2.0
Product colorBlack
Scene modesbeach, Candlelight, Children, Close-up (macro), Museum, Night landscape, Night portrait, Portrait, Sunset, Landscape (scenery)
Image editingRotating
Photo effectsblack&white, Muted, Neutral, Sepia
White balanceauto, Cloudy, daylight, flash, Fluorescent, manual, Shade
Camera playbacksingle image, slide show
Playback zoom (max)16 x
Battery typeAA
Number of batteries supported4
Bundled softwarePentax Digital Camera Utility 4.0
Operating temperature (T-T)32 - 104 °F
Compatible memory cardssd, sdhc
Light exposure modesaperture priority AE, auto, shutter priority AE
Camera shutter typeElectronic
Weight and Dimensions IconWeight and Dimensions
Depth67.5 mm
Width122.5 mm
Height91.5 mm
Weight515 g

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