Pentax K-X User Manual

162
Using the Flash
5
Using an External Flash (Optional)
Using the optional external flash AF540FGZ, AF360FGZ, AF200FG or
AF160FC enables a variety of flash modes, such as P-TTL auto flash
mode, depending on the external flash being used. See the chart below for
details.
(z: Available #: Restricted ×: Not available)
*1 Available only when using a DA, DA L, D FA, FA J, FA, F or A lens.
*2 Shutter speed of 1/90 sec. or slower.
*3 When combined with the AF540FGZ or AF360FGZ, 1/3 of the flash discharge can be
output by the built-in flash and 2/3 can be output by the external flash.
*4 Available only when combined with the AF540FGZ or AF360FGZ.
*5 Multiple AF540FGZ or AF360FGZ units, or a combination of an AF540FGZ or AF360FGZ
unit and the built-in flash is required.
Flash
Camera Function
Built-in
Flash
AF540FGZ
AF360FGZ
AF200FG
AF160FC
Red-eye reduction flash zz z
Auto flash discharge zz z
After the flash is charged, the camera
automatically switches to the flash sync speed.
zz z
Aperture value is automatically set in e
mode and b mode.
zz z
Auto check in the viewfinder ×× ×
P-TTL auto flash z
*1
z
*1
z
*1
Slow-speed Sync zz z
Flash exposure compensation zz z
AF assist light of external flash × z ×
Trailing Curtain Sync
*2
zz ×
Contrast-control-sync flash mode #
*3
z #
*4
Slave flash × z ×
Multiple flash ×× ×
High-speed flash sync × z ×
Wireless flash #
*4
z
*5
×
Flashes with reversed polarity (the center contact on the hot shoe is minus)
cannot be used due to the risk of damaging the camera or flash.

Pentax K-X Specifications

General

Megapixel	12.4 MP
Camera type	SLR Camera Body
Sensor type	CMOS
Image stabilizer	Yes
Maximum image resolution	4288 x 2848 pixels
Digital zoom	0 x
Interface	USB
Color depth	12 bit
Dimensions (WxDxH)	122.5 x 67.5 x 91.5 mm
Camera shutter speed	30 - 1/6000 s
Effective sensor resolution	12400000 pixels
Compatible operating systems	Windows XP/Vista/7 Mac OS-X 10.3-10.5
Auto focusing (AF) modes	continuous auto focus, single auto focus
Flash modes	auto, Flash off, manual
Flash guide number	16 m
Motion JPEG frame rate	24, 4.7 fps
Video formats supported	AVI
Maximum video resolution	1280 x 720 pixels
Display diagonal	2.7 \
Display resolution (numeric)	230000 pixels
Magnification	0.85X x
USB version	2.0
Product color	Black
Scene modes	beach, Candlelight, Children, Close-up (macro), Museum, Night landscape, Night portrait, Portrait, Sunset, Landscape (scenery)
Image editing	Rotating
Photo effects	black&white, Muted, Neutral, Sepia
White balance	auto, Cloudy, daylight, flash, Fluorescent, manual, Shade
Camera playback	single image, slide show
Playback zoom (max)	16 x
Battery type	AA
Number of batteries supported	4
Bundled software	Pentax Digital Camera Utility 4.0
Operating temperature (T-T)	32 - 104 °F
Compatible memory cards	sd, sdhc
Light exposure modes	aperture priority AE, auto, shutter priority AE
Camera shutter type	Electronic

Weight and Dimensions

Depth	67.5 mm
Width	122.5 mm
Height	91.5 mm
Weight	515 g