Pentax K-X - Manual (Page 106)

104
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Choose the part of the screen to use for measuring brightness and
determining exposure. The following three methods are available.
1
Press the M button in the status screen.
The control panel appears.
Press the M button when the status screen is not displayed.
• Turn the e-dial while holding down the mc button to adjust the aperture
value. (p.107)
• The aperture value can be set in increments of 1/3 EV or 1/2 EV. Set the
exposure steps in [1. EV Steps] of the [A Custom Setting 1] menu. (p.108)
• The Shake Reduction function is automatically turned off during Bulb
shooting.
• Use a sturdy tripod to prevent camera shake during Bulb shooting.
• To operate the shutter release button of the remote control, set in [12.
Remote Control in Bulb] of the [A Custom Setting 2] menu. (p.81)
• You can reduce image noise (image roughness or unevenness) caused by
the slow shutter speed. Set in [13. Slow Shutter Speed NR] of the [A Custom
Setting 2] menu. (p.92)
• When the sensitivity is set to [AUTO] and the shutter speed is set to h,
the sensitivity is set to the last set value.
• The upper sensitivity limit for Bulb shooting is ISO 1600.
• There is no limit on exposure time for Bulb shooting. However, we
recommend using the AC adapter kit K-AC84 (optional) when shooting with
a long exposure setting as the batteries are used while the shutter remains
open. (p.42)
Selecting the Metering Method
L Multi-segment
Segments the viewfinder in 16 parts, meters each portion
and determines the proper exposure. (default setting)
M
Center-
weighted Measures the entire viewfinder with an emphasis on the
center and determines the exposure.
N Spot
Measures only a spot in the center of the viewfinder and
determines exposure.