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8 .
b e g i n to blink on and o ff wi th in a b o u t
2 3 se conds . F or f ull p o we r , t he m o ni -
t o r m us t be f las hing b e fo r e t h e fla s h is
f i r e d . lf nec es s ar y or d e si ra b le , h o w -
e v e r , i t m ay be f ir ed w h ile o n ly lig h te d
b e f o r e s t art i ng t o f la s h , b ut in th is
case, to assure adequate exposure,
ma xi mum fl as h rang e sh o u ld b e co n -
si d e r ed t o be t he di s ta n c e a pp e a ri ng
at a point halfway between the F-
n u m b er at w hic h the in d e x is s e t a nd
t h e n ex t F -num ber t o th e ri gh t o f it.
F u r t h e r , i n t h i s c a s e t h e m a n u a l g u i d e
n u m b e r i s 3 8 f o r c a l c u l a t i o n s i n m e t e r s
a t A S A 1 0 O , 6 2 i n f e e t a t A S A 2 5 , o r
2 l i n m e t e r s a t D I N 1 8 .
F i r e th e f las h by r el e a s in g t h e ca me ra
s h u tt e r. A t full pow e r w it h m o n ito r
f l a sh i ng, num ber of f las h e s p er AM b a t-
t e r y ca rt ri dge w ill be b e t we e n a b o u t
7 0 a n d 9 0 0 , a n d r e c y c l i n g t i m e w i l l
be between one and 23 seconds, de-
pe n d in g up o n s u bj e c t d i s ta n c e . A t
p a rt ia l p o we r w i t h m o n i t o r g l o w i n g
s te a d ily , n u m b e r o f fl a s h e s w i l l b e
from about 1 00 to 1 1 00; recycling
t im e , fr om a b o u t o n e to 1 4 se c o n d s .
F o r mo r e f l a s h e s o r s h o r te r r e cy c l i n g
tim e s , u s e a n N i - C d c a rt ri d g e o r 5 1 0 v
b at te ry p a c k ( s ee p . 2 7 1
* C A U T I O N :
At settings to the left of the 5-aperture
g re e n a re a o n t h e d i a l , a d j u s t me n t o f fl a s h
du r at io n is n o t a u to m a t i c a n d w i l l b e a t
fu ll power at a f ixed 1 /600 sec.
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