Nikon D2HS - Manual (Page 103)

89
Taking Photographs—Exposur
e
Non- CPU Lenses
If the maximum aperture of the lens has been specifi ed
using the Non-CPU lens data item in shooting menu
(
126) when a non-CPU lens is attached, the current
f/-number will be displayed in the viewfi nder and top
control panel, rounded to the nearest full stop. Other-
wise the aperture displays will show only the number of stops (
, with maximum ap-
erture 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 (
91) in the viewfi nder will show the amount of
un der- or over-exposure and one of the fol low ing in di ca tors will be dis played in the
con trol panel and viewfi nder shutter-speed displays:
Indicator Description
Subject too bright. Choose smaller aperture (larger f/-number) or lower sensitivity (ISO
equivalency;
50), or use optional Neutral Density (ND) fi lter.
Subject too dark. Choose larger aperture (smaller f/-number) or higher sensitivity (ISO
equivalency;
50), or use optional Speedlight.
Aperture Lock
Aperture can be locked at the selected setting ( 92).
b3—EV Step ( 181)
This option controls whether changes to shutter speed and aperture are made in in cre -
ments equiv a lent to
1 /
3
EV (the default setting), ½ EV, or 1 EV.
f5—Command Dials ( 198)
Command dials > Change Main / Sub and Command dials > Aperture setting con-
trol whether aperture is assigned with the main command dial, the sub-command dial,
or the lens aperture ring. Regardless of the settings chosen, the command dials are
always used with type G lenses, the lens aperture ring with non-CPU lenses.