Nikon D700 manual Auto ISO Sensitivity Control, 108

Auto ISO Sensitivity Control

If Off (the default setting) is chosen for the ISO sensitivity auto control option in the shooting menu, ISO sensitivity will remain

fixed at the value selected by the user (see page 106). If On is chosen, ISO sensitivity will automatically be adjusted if optimal exposure can not be achieved at the value selected by the user

(flash level is adjusted appropriately). The maximum value for auto ISO sensitivity can be selected using the Maximum sensitivity option in the ISO sensitivity auto control menu (the

minimum value for auto ISO sensitivity is automatically set to ISO 200). In exposure modes P and A, sensitivity will only be adjusted if

underexposure would result at the shutter speed selected for S Minimum shutter speed. Slower shutter speeds may be used if

optimum exposure can not be achieved at the ISO sensitivity value selected for Maximum sensitivity.

When On is selected, the control panel and viewfinder show ISO-AUTO. When sensitivity is altered from the value selected by the user, these indicators blink and the altered value is shown in the viewfinder.

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