Nikon D200 D200 User's Manual - Page 77

Reference-Exposure Non-CPU Lenses If the maximum aperture of the lens has been specified using the Non-CPU Lens Data item in shooting menu ( 93) when a non-CPU lens is attached, the current f/-number will be displayed in the control panel and viewfinder, rounded to the nearest full stop. Otherwise the aperture displays will show only the number of stops ( , with maximum aperture displayed as ) and the f/-number must be read from the lens aperture ring. Exposure Warning If the camera is unable to produce the correct exposure at the selected aperture, the electronic analog exposure display ( 69) in the viewfinder will show the amount of under- or over-exposure and one of the following indicators will be displayed in the control panel and viewfinder shutter-speed displays: Indicator Description Subject too bright. Choose smaller aperture (larger f/-number) or ISO sensitivity ( 33), or use optional Neutral Density (ND) filter. Subject too dark. Choose larger aperture (smaller f/-number) or higher ISO sensitivity ( 33), or use optional Speedlight. b3-EV Step ( 154) This option controls whether changes to shutter speed and aperture are made in increments equivalent to / EV (the default setting), / EV, or 1 EV. f5-Command Dials ( 170) Command Dials > Change Main/Sub and Command Dials > Aperture Setting control whether aperture is assigned with the main command dial, the sub-command dial, or the lens aperture ring. Regardless of the settings chosen, the sub-command dial is always used with type G lenses, the lens aperture ring with non-CPU lenses. 67