Pentax K20D Selecting the Metering Method, Using the Multi-Segment Metering, Determines exposure

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4 ShootingFunctions

Selecting the Metering Method

Choose the part of the screen to use for measuring brightness and determining exposure. L (Multi-segment metering), M (Center-weighted metering) or N (Spot metering) mode can be selected. The factory default setting is L (Multi-segment metering).

L	Multi-segment	Segments the viewfinder in 16 parts, meters each
		portion and determines the appropriate exposure.
M	Center-	Measures the entire viewfinder with an emphasis on the
	weighted	center and determines the exposure.
N	Spot Metering	Measures only the center of the viewfinder and
		determines exposure.

Set with the metering mode lever. (p.19)

Using the Multi-Segment Metering

The scene in the viewfinder is metered in 16 different zones as shown in the illustration when using the multi-segment metering. Even in backlit locations, this mode automatically determines what level of brightness is in which portion and automatically adjusts exposure.

The center-weighted metering mode is automatically set even if you select the multi-segment metering mode when using a lens other than a DA, D FA, FA J, FA, F or A lens, or when lens aperture ring is set at other than s. (Can only be used if permission is set in [36. Using aperture ring] (p.75) in the [ACustom Setting] menu.)