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Canon 166 A User Manual

Page 47

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background image

within

the

auto

shooting

distance

range, exposure will be correct

In the case of manual flash photogra­

phy, the procedure for calculating ap­

erture

value

using

the

guide

number

formula

is

the

same

as

for

manual

flash

with

A-series

cameras

or

New

F-1 (see p 25)

When the 166A is used on a lens-shut­

ter camera with built-in flash automa­

tion (such as the Canonet G-lll 17), the

166A's

Aperture/MANU

selection

switch

must be set to the lowest position so

that ‘'MANU'' appears in the Aperture/

MANU

window

Follow

the

camera’s

instructions for setting the camera

(^The Speedlite 166A cannot be used as\

a multiple flash

A slave unit cannot be used with the

166A

27