Table of Contents
Advertisement
Main Features
1. The aperture selected on the 155A is set
on
the
camera
automatically
via
an
electrical signal sent by the flash (in the
case of the AE-1 and A-l).
2. In the same way, the light output signal
from the 155A automatically sets the
shutter speed of the
camera to 1/60
sec. (X contact).
3. Battery consumption is reduced with the
employment of the series control system.
4. Average
distribution
metering
is
ob¬
tained by suppressing the peak sensitivity
at the center of the picture.
5. When the main switch of the flash is at
OFF,
the
camera returns
to
normal
non-flash AE photography while the 155 A
is still attached to the camera.
6. Manually operated flash by cancelling the
automatic flash is possible.
Summary for Use of the 155A
See pp. 8-23 for detailed explanation.
1. Load the batteries correctly.
2. Attach the 155A to the camera.
3. Set the ASA film speed on the calculator
dial.
4. Select
the
aperture
with the AUTO/
MANU. switch.
5. Set the 155A*s main switch to ON.
6. Focus.
7. Check the pilot lamp.
8. Check the
display information in the
finder.
9. Press the shutter release button.
Automatic flash photography means that the
photocell of the flash picks up the light
bounced back from the subject, its capaci¬
tor stores up energy and stops discharge of
6
Advertisement
Table of Contents
