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Autofocus system
The K100D's sophisticated SAFOX VIII autofocus system
features 11 sensor points (with nine cross-type sensors) to
automatically focus on the subject with utmost precision,
even when it is positioned off center. The in-focus sensor
point is automatically superimposed in red in the view-
finder for at-a-glance confirmation. This high-precision AF
system offers a choice of two AF modes: the conventional
single AF, and the continuous AF,* which maintains focus
on the moving subject as long as the shutter release button
is pressed halfway down.
* The continuous AF mode is selectable by the user only
when P, Tv, Av, M or B is selected as a shooting mode on
the mode dial. This mode is automatically activated by
the camera when the Auto Picture Program, or one of the
Picture or Scene modes, is selected.
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ISO sensitivity
The K100D features an auto sensitivity control function,
which automatically sets the optimum standard output
sensitivity — up to 3200, which is the highest automatic
setting in its class — based on such data as the subject's
brightness level and the lens focal length. Since this
function allows the use of higher shutter speeds in poor
lighting situations (such as indoor sports events and night
scenes), it helps the photographer to effectively reduce
camera shake and prevent blurred images.
Auto Picture mode for effortless
point-and-shoot SLR photography
The K100D offers the PENTAX-developed Auto Picture
mode and a new Scene mode pallete. The Auto Picture mode
automatically and instantly selects one of the four Picture modes
— including Portrait, Landscape and Macro — by calculating
various photographic factors to assure optimum results. The
Scene mode allows the photographer to select from eight modes
specialized for conditions such as Night Scene, Portrait, Sunset,
or Pet mode. The photographer chooses the mode to match the
subject and scene and the camera automatically selects the proper
exposure, white balance, and other settings for superior results.
Large LCD monitor to facilitate
image viewing and menu setting
The K100D incorporates a large 2.5 inch color LCD monitor on
its back panel. Its wide-view design allows the photographer to
check the monitor image over 140 degrees vertically and hori-
zontally, ensuring effortless image viewing even from a diagonal
position. With a total of approximately 210,000 pixels, it also
offers digital zooming of playback images up to 12X for easy
confirmation of the image's focusing status and details. The large
monitor size allows for large letters, digits and icons on the menu
screens to facilitate menu confirmation and camera operations.
Bright, clear viewfinder
The K100D features a lightweight penta-mirror viewfinder, which
combines PENTAX-original finder optics with a Natural-Bright-
Matte II focusing screen to deliver a bright, clear subject image
with 0.85X magnification and 96 percent field of view.
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