Nikon D40 - Manual (Page 55)

Reference: P, S, A, and M Modes/Mode M (Manual) 43
Mode M (Manual)
In manual exposure mode, you control both shutter speed and aperture. Shutter speed can
be set to values between 30s and ¼
,000
s, or the shutter can be held open for indefinitely for
longer exposures ( ). Aperture can be set to values between the minimum and max-
imum values for the lens.
To take photographs in manual exposure mode:
Electronic Analog Exposure Display
If a CPU lens is attached and a shutter speed other than is selected, the electronic analog
exposure displays in the viewfinder and shooting information display show whether the photograph
would be under- or over-exposed at current settings. If the limits of the exposure metering system are
exceeded, the displays will flash.
1 Rotate the mode dial to M.
2 Rotate the command dial to choose a shutter speed (see the illustration at left, below).
To set aperture (below right), rotate the command dial while pressing the
( ) but-
ton (to display shutter speed and aperture in the monitor, press the button). Check
exposure in the electronic analog exposure displays (see note below).
3 Frame a photograph, focus, and shoot.
Display Description
Optimal exposure
If indicator is to right of 0, picture will be underexposed. Display at left indicates
that picture will be underexposed by
1 /
3
EV.
If indicator is to left of 0, picture will be overexposed. Display at left indicates that
picture will be overexposed by more than 2EV.