Pentax K-r User Manual

73
Basic Operations
3
Subjects that are difficult to focus on
The autofocus mechanism is not perfect. Focusing may be difficult
when taking pictures under the following conditions. These also apply
to manual focusing using the focus indicator ] in the viewfinder.
(a) Extremely low-contrast subjects such as a white wall in the
focusing area
(b) Subjects which do not reflect much light within the focusing
area
(c) Fast moving objects
(d) Strongly reflected light or strong backlighting (bright
background)
(e) If repeating vertical or horizontal line patterns appear within
the focusing area
(f) Multiple subjects in the foreground and background within the
focusing area
If the subject cannot be focused automatically, set the focus mode
lever to \ and use the manual focus mode to focus on the subject
with the aid of the matte field in the viewfinder. (p.135)
The subject may not be focused even when the ] (focus indicator) is
displayed when (e) and (f) above apply.

Pentax K-r Specifications

General

Megapixel	12.4 MP
Camera type	SLR Camera Body
Sensor type	CMOS
Image stabilizer	Yes
Image sensor size	1/2.3 \
Image formats supported	JPG
Maximum image resolution	4288 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
Interface	AV
Power source type	AC, Battery
Aperture range (F-F)	-
Camera shutter speed	1/6000 - 30 s
Focus	TTL
Focus adjustment	Auto
Auto focusing (AF) modes	Centre weighted Auto Focus, Continuous Auto Focus, Multi Point Auto Focus, Selective Auto Focus, Single Auto Focus
Light metering	Centre-weighted, Spot
ISO sensitivity	200, 400, 800, 1600, 3200, 6400, 12800, Auto
Light exposure correction	± 2EV (1/3EV step)
Camera shutter type	Electronic
Flash modes	Auto, Flash off, Manual, Pre-flash, Red-eye reduction, Slow synchronization
Flash guide number	16 m
Scene modes	Beach, Candlelight, Children, Close-up (macro), Fireworks, Museum, Night landscape, Night portrait, Portrait, Self-portrait, Snow, Sunset, Landscape (scenery)
Image editing	Crop, Rotating, Trimming
White balance	Auto, Cloudy, Daylight, Fluorescent, Manual, Shade, Tungsten
Camera playback	Movie, Single image, Slide show
Self-timer delay	2, 12 s
Mac operating systems supported	Mac 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 supported	Windows 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 resolutions	640 x 480, 1280 x 720 pixels
Motion JPEG frame rate	25 fps
Video formats supported	AVI
Maximum video resolution	1280 x 720 pixels
Memory slots	1
Internal memory	- MB
Compatible memory cards	SD, SDHC
Field of view	96 %
Display diagonal	3 \
Display resolution (numeric)	921000 pixels
Magnification	0.85 x
PictBridge	No
USB version	2.0
Product color	Black
Battery type	D-LI109, AA
Battery life (CIPA standard)	470 shots

Weight and Dimensions

Depth	68 mm
Width	125 mm
Height	97 mm
Weight	544 g