Nikon D300s manual Metering, 102, Method

Metering

Metering determines how the camera sets exposure. The following options are available:

Method Description

aRecommended in most situations. Camera meters a wide area of the frame and sets exposure according to distribution

	3D color	of brightness, color, distance, and composition for natural
	matrix II	results.
		Camera meters entire frame but
		assigns greatest weight to 8-mm
	Z	circle in center of viewfinder (if CPU
		lens is attached, area can be selected
	Center-
		using Custom Setting b5, Center-
	weighted
		weighted area, 0 272). Classic meter
			Center-weighted
		for portraits. 1
			area 2
		Camera meters circle 3 mm (0.12 in.)
		in diameter (approximately 2% of
		frame). Circle is centered on current
		focus point, making it possible to
Z	b	meter off-center subjects (if non-CPU
	Spot	lens is used or if Auto-area AF is in
			Spot metering
		effect (0 76), camera will meter
			area 2
		center focus point). Ensures that
		subject will be correctly exposed,
		even when background is much brighter or darker. 1

1 For improved precision with non-CPU lenses, specify lens focal length and maximum aperture in Non-CPU lens data menu (0 196).

2 Metered area is not actually displayed in viewfinder.

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