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Canon 166 A User Manual

Page 42

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matic flash circuit is cut off, and both flash

and camera are switched to regular syn­

chronized flash photography. In this mode,

the shutter speed of each A-series camera

is still switched automatically to the X-syn-

chronization speed of 1/60 sec. and the

shutter speed of the New F-1 to 1/90 sec.

(unless the shutter speed is set on “B”)

when the pilot lamp glows The aperture,

however,

must

be

calculated

for

each

change

in

shooting

distance

using

the

guide

number

formula,

and

then

set

manually on the lens' aperture ring The

procedure for manual flash photography is

as follows:

1

Set the 166A's Aperture/MANU selec­

tion

switch

to

the

lowest

position.

"MANU"

will

appear

in

the

Aper­

ture/MANU window

2

Make sure that the proper ASA film

speed is set on the flash.