Canon 188A - Manual (Page 42)

Use of the 188A on Other Cameras
The Speedlite 188A can be used on other
cameras which have a hot shoe in either
the automatic flash mode or the manual
flash mode In either case, set the shutter
speed to the camera's X-synchronization
speed; the aperture also must be set
manually Refer to the camera's instruc­
tion book for further details
1 In regular automatic flash photog­
raphy, set the Aperture/MANU selec­
tion switch so that the red or green
line appears in the window of the
shooting distance range Set the aper­
ture on the lens Provided the focused
distance is within the auto shooting
distance range, exposure will be cor­
rect.
In the case of manual flash photog­
raphy, the procedure for calculating
aperture value using the guide number
formula is the same as for manual flash
with A-series cameras (see p 24)
When the 188A is used on a range­
finder camera with built-in flash automa-
26