Nikon D7100, Руководство пользователя

Страница: 79 / 384

51
#
M
: Manual
In manual mode, you control both shutter speed and aperture. While
the exposure meters are on, rotate the main command dial to choose
a shutter speed, and the sub-command dial to set aperture. Shutter
speed can be set to “
v
” or to values between 30 s and
1
/
8000
s, or
the shutter can be held open indefinitely for a long time-exposure
(Bulb/
A
or Time/
%
,
0
52). Aperture can be set to values
between the minimum and maximum values for the lens. Use the exposure
indicators to check exposure.
Shutter speed Aperture
Main command dial Sub-command dial
A
AF Micro NIKKOR Lenses
Provided that an external exposure meter is used
, the exposure ratio need only be taken into
account when the lens aperture ring is used to set aperture.
A
The Exposure Indicator
If a shutter speed other than Bulb ( A ) or Time ( % ) is selected, the exposure indicator in
the viewfinder shows whether the photograph would be under- or over-exposed at current
settings. Depending on the option chosen for Custom Setting b2 (
EV steps for exposure
cntrl
,
0
234), the amount of under- or over-exposure is shown in increments of
1
/
3
EV or
1
/
2
EV (the illustrations below show the display in the viewfinder when
1/3 step
is selected
for Custom Setting b2). If the limits of the exposure metering or live view exposure control
system are exceeded, the indicator will flash.
Optimal exposure
Underexposed by
1
/
3
EV
Overexposed by over 2 EV
A See Also
For information reversing the exposure indicators so that negative values are displayed on
the right and positive values on the left, see Custom Setting f8 (
Reverse indicators
, 0 258).