Kodak DCS300 - Manual (Page 117)

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Metering System
The available exposure Metering systems vary, depending on your camera.
3D Matrix Metering
3D Matrix Metering is only available with the DCS 330 camera.
This system is ideal for quick operation in any exposure mode. With D-type AF Nikkor
lenses, 3D Matrix Metering is automatically activated. 3D Matrix Metering uses three
types of data: (1) scene brightness, (2) scene contrast and (3) distance to focused subject
(distance information). Data on scene brightness and contrast are detected by the camera’s
eight-segment Advanced Matrix Sensor, while data on the distance to focused subject is
detected and relayed by the D-type AF Nikkor lens in use.
Information sent by the camera’s autofocus system indicating whether the main subject is
centered is also considered in the computation. Through analyzing this data, your camera
provides correct exposures even in extremely complex lighting situations.
If a non-D-type AF Nikkor lens is used, Advanced Matrix Metering is performed.
Although the lens does not provide distance information, the eight-digit Advanced Matrix
Sensor provides a correct exposure in most lighting situations.
Exposure Metering
System
DCS 315 DCS 330
3D Matrix Metering no yes
Center-Weighted
Metering yes yes
Spot Metering yes yes