Nikon D1H - Manual (Page 107)

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GRAPHY—EXPOSURE MODE
AF Micro Nikkor Lenses
When the sub-command dial is used to set aperture, the exposure ratio need not be taken
into account provided that an external exposure meter is used. Compensation that takes the
exposure ratio into account is only necessary when the lens aperture ring is used.
Shutter-Speed and Aperture Lock
Shutter-speed and aperture can be locked at the selected setting ( pg. 94).
12—Assign Command Dial ( pg. 166)
This setting can be used to reverse the roles of the command dials so that the main command
dial controls aperture while shutter speed is assigned to the sub-command dial.
22—Aperture Setting ( pg. 173)
Use this setting when you want to adjust aper ture using the lens aperture ring. Note that
aperture for type G lenses is always set using the command dials, regardless of the option
chosen for Custom Setting 22.