Metering
The metering method determines how the camera sets exposure. The following options
are available when the mode dial is F)tated to P,S, A, or M (matrix metering is used in other
modes):
Method Description
Recommended in most situations. Camera meters a wide area of the frame
Matrix and instantly sets exposure according to distribution of brightness, color, dis-
tance, and composition for natural results.
Camera meters entire frame but assigns greatest weight to center area. CJas-
[_ Center-weighted sic meter for portraits.
Camera meters exposure in active focus area only (if Closest subject is
selected for AF-area mode (_ 24), camera will meter center focus area).
{i] Spot Ensures that subject will be correctly exposed, even when background is
much brighter or darker.
Metering
Metering is available with CPU lenses only. in matrix metering, exposure is set using a 420-segment
RGBsensor. Use a type G or D lens for results that include range information (3Dco/ormd/trixrnet_,ring
//;_ gT). With other CPU lenses, 3D range information is not included (color mc,_trlXmetering/I).
CPU lenses can be identified by the presence of CPU contacts, type G and D lenses by a letter on the
lens barrel. Type G lenses are not equipped with a lens aperture ring.
CPU lens Type G lens Type D lens
5-- Metering_ 75)
Metering can alsobe sdected from the Custom Settings menu.
Reference:B S,A,and MModes/Exposure
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