Nikon D70-series User Manual
Also see for D200: SpecificationsBrochureBrochure & specsBrochure & specsSetup guide
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Contents
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62Reference—ExposureExposure ModeExposure mode determines how the camera sets shutter speed and aperturewhen adjusting exposure. Four modes are available: programmed auto (P), shut-ter-priority auto (S), aperture-priority auto (A), and manual (M).To preview the effects of aperture, press and hold thedepth-of-fi eld preview button. The lens will be stoppeddown to the aperture value selected by the camera(modes P and S) or the value chosen by the user (modesA and M), allowing depth of fi eld to be previewed in theviewfi nder (the built-in fl ash and optional SB-800, SB-600,and SB-R200 Speedlights will emit a modeling fl ash).Depth-of-Field PreviewCPU LensesWhen using a CPU lens equipped with an aperture ring, lock the aperture ring at the min-imum aperture (highest f/-number). At other settings, the shutter release will be disabledand a blinking will appear in the aperture displays in the control panel and viewfi nder.Type G lenses are not equipped with an aperture ring.b1—ISO Auto ( 152)When Custom Setting b1 (ISO Auto) is on, the camera automatically varies ISO sensitivitybetween ISO 100 and a maximum selected by the user to help ensure optimum exposureand fl ash level. In exposure modes P and A, the camera adjusts ISO sensitivity when theshutter speed needed to obtain optimum exposure would be faster than / s or slowerthan a specified value. Otherwise the camera adjusts ISO sensitivity when the limits of thecamera exposure metering system are exceeded (mode S) or when optimum exposure cannot be achieved at the shutter-speed and aperture selected by the user (mode M).e4—Modeling Flash ( 166)If Off is selected for Custom Setting e4 (Modeling Flash), the built-in fl ash and optionalSB-800, SB-600, and SB-R200 Nikon Speedlights will not emit a modeling fl ash when thedepth-of-fi eld preview button is pressed. |
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