Canon 155 A User Manual
Page 43
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flash as indicated on the calculator dial.
If the focused distance is within the auto
working range as designated by the colored
band corresponding to the chosen aperture
on the dial, exposure will be correct.
t. Manual Flash (See p. 20).
Set the AUTO/MANU. switch to MANU.
and manually set the aperture on the lens’
aperture ring after calculating it by guide
number calculation or by using the
calculator dial
'' When the 15 5A is used on an automatic
flash lens shutter camera, set the AUTO/
MANU. switch at the back to MANU.
and set the guide number on the camera
to 17 meters (or to an approximate value
in case there is no marking for 17 m on
the guide number scale).
23