Minolta Auto electronic flash 25 User manual

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This compact,  easy-to-use unit  makes  perfect  automatic  flash expo-
su res o v e r a c o n s i d e r a b l e  r a n g e a n d  is a lso u sa b le a s a co n ve n tional      r )
no n -aut o  f la s h g u n .   l t c a n b e a tta ch e d co rd le ssly o n ca me ra s h a ving a
dir ec t -c o n t a c t   " h o t   s h o e "  o r  b y me a n s o f  a n a tta ch a b le co rd w ith
co n v e n t iona l b r a c k e t s a n d  t e r m in a ls.





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Battery-chamber  cover
                    D i s t a n c e s c a l e
                        Apertu re scale
                    C o m p u t e r  d i a l
                       F ilm-speed scale
                 M o n i t o r    l a m p
                     S y n c . c o r d s o c k e t
                     Power switch
                  O pen-f  I ash/test  butto n





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BATTER IES

1 . T o      i n s t a l l , o p e n    t h e  b a t t e r Y     2. Insert  f our batteries (see specs
   c h a m b e r  c o v e r  b y  s l i d i n g    i t        p . 1 5 ) , m a k i n g  s u r e  t h a t  p l u s
   o f f      i n    t h e  d i r e c t i o n  o f    t h e             ( + )  a n d m i n u s   ( - )  e n d s o f
   arrow  toward   the  back   of        b a t t e r i e s a r e P o s i t i o n e d a s  i n -
   the u nit.                               d icated   in sid e   the   batterY
                                               c h a m b e r .

SETTINGSYNC.DELAY AND
SHUTTERSPEED             S E T T I N G F I L M S P E E D

 ' 1    . M a k e   s u r e    t h a t     t h e  c a m e r a      i s    T u r n   t h e  c o m p u t e r d i a l  t o a l i g n
    s e t   f o r X  s y n c .  a n d / o r     t h a t    t h e           t h e   t r i a n g u l a r b l a c k    i n d e x w i t h
       f l a s h g u n        i s p r o p e r l y    c o n n e c t -            t h e  e x p o s u r e - r a t i n g n u m b e r  o f
   e d  w i t h      t h e  X  s y n c .    t e r m i n a l            t h e   f i l m  y o u  a r e  u s i n g .  ( D o t s
   o f   t h e  c a m e r a .                       b e t w e e n  n u m b e r s  o n    t h e   f i l m -
2 . A l s o  m a k e   s u r e   t h a t    t h e  c a m -     speed  scale represent ASA   rat-
   e r a       i s  n o t   s e t     f o r   a  s h u t t e r               i n g s o f 3 2 , 4 0 , 6 4 , 8 0 , 1 2 5 , 1 6 0 ,
    s p e e d   f a s t e r   t h a n    t h e m a n u f a c -      2 5 O , a n d 3 2 O o r D  l N    i n d e x e s o f
       t u r e r ' s      r e c o m m e n d a t i o n            f o r      1 6 , 1 7 , 1 9 , 2 | 0 . ,2 2 , 2 3 ,  a n d 2 5 ,
   e f e c t r o n i c      f  l a s h   ( u s u a l l y   1 / 6 0      respectively from   left  to  right.)
    o r  s l o w e r    f o r   f u l l - f  r a m e  3 5 m m
    c a m e r a s  h a v i n g  h o r i z o n t a l - r u n
       f o c a l - p l a n e  s h u t t e r s ) .





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F I L L - I N O R S Y N C H R O -
                            DAYLIGHT FLASH

    N O T E :                      Though primarily intended for
1 4   F or  dark   s u b j e c t s  o r     i n  p o o r    u se  a s  th e  so le  o r ma in  light
         r ef le c t ing  c o n d i t i o n s     ( s u c h  a s   so u rce   in   fla sh  p ictu re s,  the
     o u t d o o r s  a t  n i g h t  o r      i n  d a r k    Auto   E lectrof lash  25  can  be
     surroundin g s   i n d o o r s ) .    i t    i s g e n -    u se d to  b a la n ce o r  fill  in shad-
     e rally  reco m m e n d e d     t h a t   th e    o ws   with   o th e r   b rig h t   light
     lens b e c lo s e d d o w n  a h a l f sto p    so u rce s su ch  a s d a ylig h t  u nder
      to one s t o o m o r e   t h a n   i n d i ca te d    a p p ro p ria te co n d itio n s. Su itable
     b y    t h e  c o m p u t e r  d i a l     i n  a u t o    o n e s to sta rt with o n e ith e r auto
     o p e rat io n  o r  o p e n e d a h a l f sto p    o r  ma n u a l mo d e  a re  th o s e  in
      to one s t o p m o r e   t h a n   i n d i c a te d   wh ich  a mb ie n t  a n d  f la sh indica-
     b y    t h e  d i a l  o n m a n u a l m o d e ,     tio n s ca ll fo r  th e sa me e xp osur e
          t h o u g h   i n d i v i d u a l c o n d i t i o n s w i l l    se ttin g s.  Th e n   th e    in d ic ated
    de t e rmine    t h e  e x a c t  s e t t i n g  in    shutter  speed  is used,  but  the
      eit her mod e .                               le n s is clo se d d o wn  o n e  h alf to
                                            o n e  sto p  fro m   th a t   in d icated
                                                   (e.9., for  1/60  sec. at between
                                                      f/4  and  f/5.6,  shutter   is  left  at
                                            1 /6 0  b u t  th e  le n s is se t a t f/5.6
                                            o r b e twe e n   f /5 .6  a n d f/8 .)  Fr om
                                                 th is sta rtin g  p o in t,  se ttin g s can
                                       be   f u rther  ad ju sted toward  ob-
                                                 ta in in g e ffe cts d e sire d u n d e r var -
                                                     io u s co n d itio n s.

SPEC I F I C A T I O N S
              T y p e : C l i p - o n  a u to ma tic/ma n u a l   e le ctro n ic  fla sh  unit
                           for cord less/corded use
 '    G u i d e n u m b e r : U p   t o 2 5  fo r ca lcu la tio n s in me te rs a t A S A 1OO,
                       4 1   i n  f e e t a t A S A 2 5 , o r 1 8  f o r m e t e r s a t D I N 1 8   1 5
Au t o wo rk in g   r a n g e : O . 7   t o  4 .5 m  (2 ' 4 "  to  1 4 ' 9 ")  (a p e rtu re  f /5 .6  at
                                              f i l m s p e e d A S A  1 OO)
     F las h d u r a t i o n :  1 / 4 0 , O OO to   1 /2 ,OOO se c.  in  a u to  o p e ration,
                       1 / 2 , O O O in ma n u a l (n o n -a u to ma tic) o p e ra tio n
   S ens or a n g l e o f
         acceptance: A p p r o x .  2 0
      P o w e r s o u r c e : D C o n l y   f r o m   f o u r  1 . 5 v A A   ( p e n l i g h t ) - s i z ea l k a -
                                                          l i n e - m a n g a n e se o r se a le d ca rb o n -zin c ce lls
 N umber o f  f l a s h e s  A p p r o x .  2 1 O w i t h  a l k a l i n e c e l l s , 7 O w i t h  s e a l e d
per set of batteries*:  c a r b o n - z in c ce lls
   R e c y c l i n g t i m e ' :  A p p r o x . 6     s e c . w i t h    f r e s h  a l k a l i n e - m a n g a n e s e
                         c e l l s , A p p ro x,  7 se c. with   f re sh se a le d ca rb o n- zinc
                          c e l l s
                                 *  As determined  by  Minolta's  standard  testing
               m e t h o d .  Actu a l   p e rfo rma n ce   will  d e p e nd  on
                        type,  brand, manufacturer's   lot, age of  batteries,
                       a n d a m b ie n t te mp e ra tu re .
 C olor  t emp e r a t u r e :  B a l a n c e d f o r d a y l i g h t - t y p e c o l o r  f i l m
          Coverage: 6 O 0 h o r izo n ta lly a n d 4 5 o ve rtica lly (su fficient for
                  w i d e a n g le  le n se s d o wn  to 3 5 mm  fo ca l  le n g th on
                                             f u l l - f r a me 3 5 mm  ca me ra s)
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S y n c . c o n t a c t s : D i r e c t  c on ta cts  fo r  h o t  sh o e , ja ck  fo r a tta ching
                             s e p a r a t e syn c. co rd th a t  is in clu d e d with u n it
              '  S iz e and w e i g h t :  5 5  x  1 0 5  x  6 1 mm   (2 -3 /1 6  x  4 -1 /8  x 2 -3 /8  in.l
1 6                        n o t     i n c l u d in g  a tta ch in g  b ra cke t;  1 5 5 9  (5 -7 /16
                          o z . ) w i t h o u t  b a tte rie s



    C A R E A ND S T O R A G E

     o Remove   batteries  whenever
               t he  f la s h g u n  i s n o t   t o b e use d
               f or mo re  t h a n a w e e k .
     o S t o r e  t h e u n i t    i n a c o o l , d r y
       p lac e aw a y   f r o m  d u s t , c h emi-
        c a ls , or c o r r o s i v e v a p o r s .