When using on other cameras – Canon 155 A User Manual
Page 42
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WHEN USING ON OTHER
CAMERAS
Speedlite 155A can be used on other
cameras for automatic exposure flash photog
raphy (setting the aperture on the lens
manually while leaving the AUTO/MANU.
switch at the back of the 155A on AUTO)
and manually operated photography (setting
AUTO/MANU. switch to MANU.)' using
guide numbers.
1
.
2
.
Set the ASA film speed on the 155A
(See p. 12).
Set the shutter speed to the X synchroniza
tion speed specified for the camera.
Automatic Flash (Seep. 19).
Set the AUTO/MANU. switch to AUTO
and manually set the lens’ aperture ring
to the aperture thus pre-selected on the
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