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3.7 Exposure Modes
(P) Program AE
The aperture and shutter speed are determined automatically for the
optimum exposure, according to the existing ambient light. This mode
is best suited for general photography, allowing the user freedom to
concentrate on the subject.
Hold down the [program] button and turn the exposure mode setting
dial to “P” (program AE) position.
Program Shift (PH/PL)
You can change the shutter speed and aperture value by turning the
front and rear dials in the “P” (Program AE) mode. In order to avoid
blurred images (due to shaking while releasing the shutter), or to open
the aperture, change to “PH” (high speed). For slower shutter speeds
and wider depth of eld, change to “PL” (low speed). This function
allows you to make these changes quickly.
NOTICE:
If a correct exposure cannot be
obtained, the shutter speed and
aperture value blink. In such cases,
the pictures can be taken but they
may out too bright or too dark
If the shutter speed and aperture
values blink on the main LCD and
in the viewfinder display when the
program line is shifted, the proper
exposure cannot be achieved.
Please select a different Program
mode.
When the Program line is shifted, the
aperture value changes along with
the shutter speed to maintain the
proper exposure.
You can choose either aperture or
shutter-speed to give priority in
program line shift. Custom settings
C-14.
Increment of the aperture and shutter
speed can be set at either 1/3 or 1/2-
stop. Custom settings C-01.
SET
AEL
P
Av
Tv
M
X
CF
A
SET
AEL
P
Av
Tv
M
X
CF
5
4
3
2
1
0
-1
-2
-3
-4
30 15
8 4
2 1 1/2 1/4 1/8 1/15 1 /60 1/250 1/1000 1/4000
1/30 1/125
1/500 1/ 2000
6 7
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
EV
Shutter speed
(ISO100/AF80mm F2.8 D)
F
32
22
16
11
8
5.6
4
2.8
Phase One 645
program shift chart
Normal
Program shift area