Nikon D70-series User Manual
Also see for D200: SpecificationsBrochureBrochure & specsBrochure & specsSetup guide
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Contents
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61Reference—ExposureMeteringThe metering method determines how the cam era sets exposure:Method Description3D colormatrix II/Colormatrix II/Colormatrix1,005-pixel RGB sensor sets exposure based on variety of information from allareas of frame. With type G or D lens, camera uses 3D color matrix metering IIfor natural results even when frame is dominated by bright (white or yellow)or dark (black or dark green) colors. With other CPU lenses, 3D range informa-tion is not included; instead, camera uses color matrix metering II. Color matrixmetering is available when focal length and maximum aperture of non-CPU lensare specified using Non-CPU Lens Data item in shooting menu ( 93; center-weighted metering is used if focal length or aperture is not specifi ed). Matrixmetering will not produce desired results with autoexposure lock ( 70) or ex-posure compensation ( 72), but is recommended in most other situations.Center-weightedCamera meters entire frame but assigns greatest weight to area in center offrame 8 mm (0.31 in.) in diameter, shown by corresponding 8-mm referencecircle in viewfinder. Classic meter for portraits; recommended when using fil-ters with an exposure factor (fi lter factor) over 1 × ( 181). *SpotCamera meters circle 3 mm (0.12 in.) in diameter (approximately 2.0% of frame).Circle is centered on current focus area (in group dynamic AF, on center focusarea of current group; 54), making it possible to meter off-center subjects (ifnon-CPU lens is used or if dynamic-area AF with closest subject priority is in ef-fect, camera will meter center focus area). En sures that subject will be correctlyexposed, even when background is much brighter or darker. ** For improved precision with non-CPU lenses, specify lens focal length and maximumaperture in Non-CPU Lens Data menu ( 93).Before shooting, rotate the metering selector tochoose a method suited to the compo si tion andlight ing conditions, and confi rm your se lection in theviewfi nder.Exposureb6—Center Weight ( 155)This option controls the size of the area assigned the greatest weight in center-weightedmetering.b7—Fine Tune Exposure ( 156)Optimal exposure can be fine-tuned separately for each metering method (note that theexposure compensation icon is not displayed when exposure is fi ne-tuned). |
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