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22
5. Calculate "F·numbers" by dividing the
guide
number
shown
in the table
by
the
distance from the camera to
su
bject.
Set F·number in
F·number scale by
turning
Auto/
Flash selection dial.
GUIDE NUMBER TABLE
FLASH
BULB
ASA
32 50 80 100 160 200 320 400
TYPE
AG I
m
14 17 22
25
31
35
43
50
It
46
58
75
80 102 110 142 160
AG
IB
m
10 12 15
17
22
25
31
35
It
33 40 50
55
75
BO
102
110
CUBE
m
14 17 22
25
31
35
43
50
It
46
58
75
80 102 110 142 160
6. Press flash test button on
back
of flash·
gun.
When
bulb and gun are correct,
test lamp will light up.
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