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).