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Pentax K-r User Manual

Pentax K-r
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97
Shooting Functions
4
Opening the aperture (reduce the aperture value)
Objects closer and farther than the focused
subject will be more out of focus. For
instance, if you take a picture of a flower
against a landscape with the aperture open,
the landscape in front and behind the flower
will be blurred, emphasizing only the flower.
Closing the aperture (increase the aperture value)
The range in focus expands forward and
backward. For instance, if you take a picture
of a flower against a landscape with the
aperture narrowed, the landscape in front
and behind the flower will be in focus.
Aperture and Depth of Field
The following table summarizes how the aperture affects the depth of
field.
The depth of field may also change depending on the lens used and
the distance to the subject.
The depth of field for the W differs depending on the lens but
compared to a 35 mm camera, the value is roughly one aperture
setting lower (the focused range becomes narrower).
The wider the wide-angle lens, and the farther away the subject,
the deeper the depth of field is (some zoom lenses do not have a
scale for depth of field because of their designs).
Aperture
Open Close
(Smaller value) (Larger value)
Depth of field Shallow Deep
Area of focus Narrow Wide
Lens focal length
Longer Shorter
(Telephoto) (Wide-angle)
Distance to the subject Near Far

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Pentax K-r Specifications

General IconGeneral
Megapixel12.4 MP
Camera typeSLR Camera Body
Sensor typeCMOS
Image stabilizerYes
Image sensor size1/2.3 \
Image formats supportedJPG
Maximum image resolution4288 x 2848 pixels
Still image resolution(s)1728 x 1152, 3072 x 2048, 3936 x 2624, 4288 x 2416
Optical zoom- x
Focal length range- mm
InterfaceAV
Power source typeAC, Battery
Aperture range (F-F)-
Camera shutter speed1/6000 - 30 s
FocusTTL
Focus adjustmentAuto
Auto focusing (AF) modesCentre weighted Auto Focus, Continuous Auto Focus, Multi Point Auto Focus, Selective Auto Focus, Single Auto Focus
Light meteringCentre-weighted, Spot
ISO sensitivity200, 400, 800, 1600, 3200, 6400, 12800, Auto
Light exposure correction± 2EV (1/3EV step)
Camera shutter typeElectronic
Flash modesAuto, Flash off, Manual, Pre-flash, Red-eye reduction, Slow synchronization
Flash guide number16 m
Scene modesBeach, Candlelight, Children, Close-up (macro), Fireworks, Museum, Night landscape, Night portrait, Portrait, Self-portrait, Snow, Sunset, Landscape (scenery)
Image editingCrop, Rotating, Trimming
White balanceAuto, Cloudy, Daylight, Fluorescent, Manual, Shade, Tungsten
Camera playbackMovie, Single image, Slide show
Self-timer delay2, 12 s
Mac operating systems supportedMac OS X 10.3 Panther, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion
Windows operating systems supportedWindows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64
Video resolutions640 x 480, 1280 x 720 pixels
Motion JPEG frame rate25 fps
Video formats supportedAVI
Maximum video resolution1280 x 720 pixels
Memory slots1
Internal memory- MB
Compatible memory cardsSD, SDHC
Field of view96 %
Display diagonal3 \
Display resolution (numeric)921000 pixels
Magnification0.85 x
PictBridgeNo
USB version2.0
Product colorBlack
Battery typeD-LI109, AA
Battery life (CIPA standard)470 shots
Weight and Dimensions IconWeight and Dimensions
Depth68 mm
Width125 mm
Height97 mm
Weight544 g

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