Selecting The Metering Method - Pentax K-r Operating Manual

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• Turn the e-dial while holding down the mc button to adjust the aperture
value.
• 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.118)
• 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 on the remote control, set in [15.
Remote Control in Bulb] of the [A Custom Setting 3] menu (p.90).
• You can reduce image noise (image roughness or unevenness) caused by
the slow shutter speed. Set in [Slow Shutter Speed NR] of the [A Rec.
Mode 2] menu. (p.102)
• 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
4
recommend using the AC adapter kit K-AC109 (optional) when shooting with
a long exposure setting as the battery is being drained while the shutter
remains open. (p.50)

Selecting the Metering Method

Choose the part of the viewfinder to use for measuring brightness and
determining exposure. The following three methods are available.
L Multi-segment Metering (default setting)
The scene in the viewfinder is metered in
16 different zones. Even in backlit
locations, this mode automatically
determines what level of brightness is in
which portion and automatically adjusts
exposure.
Multi-segment metering method is not available when using a lens other than
a DA, DA L, D FA, FA J, FA, F or A lens, or when the lens aperture ring is set
to the position other than s.