Mamiya 645 AFD III - Manual (Page 29)

1. Hold down the button A and turn the exposure
mode setting dial to “Tv” (shutter-priority AE) po-
sition.
Shutter Priority AE (Tv)
Set the desired shutter speed and the camera selects the optimum aperture accordingly.
Fast shutter speed can be used to freeze motion, and slow shutter speed can be used to
blur motion on purpose.
2. Turn the front or rear dial to set the desired
shutter speed.
.
The aperture value will blink when the subject is too dark or too bright for a correct
exposure. To obtain the correct aperture, adjust the shutter speed value until the
aperture value stops blinking and remains lit.
55 56
1. Hold down the button A and turn the exposure
mode setting dial to “Av” (aperture-priority AE)
position.
Aperture Priority AE (Av)
Set the desired aperture, and the camera selects the optimum shutter speed accord-
ingly. Use the Av mode to maintain specific control over depth of field, i.e. taking por-
traits or landscapes.
2. Turn the front or rear dial to set the desired
aperture.
The shutter speed value will blink when the subject is too dark or too bright for a
correct exposure. To obtain the correct aperture, adjust the aperture value until the
shutter speed value stops blinking and remains lit.
Exposure Modes (continued)
Tv M
X
A v P
CF
A
1. Increment of the shutter speed can be set at either 1/3 or 1/2-stop.
Custom settings (C-01 on page 93)
2. Rotation direction of the dials to change the values can be altered.
Custom settings (C-13 on page 94)
3. The selected shutter speed can be locked. Page 79
1. Increment of the aperture can be set at either 1/3 or 1/2-stop.
Custom settings (C-01 on page 93)
2. Rotation direction of the dials to change the values can be altered.
Custom settings (C-13 on page 94)
3. The selected aperture level can be locked. Page 79
Av Tv M
X
P
CF
Av Tv
M
X
P
CF
A
Tv M
X
A v P
CF