Advertisement
When the shutter speed (usually between
I/125
and 1/500 second) is set f irst, the needle moves.
R e a d a r e d F f i g u r e a l o n g t h e g u i d e l i n e , a n d s e t
t h e a p e r t u r e
o p e n i n g f o r t h e l e n s a c c o r d i n g
t o
t h e f i g u r e .
( T h e p i c t u r e s h o w s t h e c a s e o f F 1 1 )
2 . M e a s u r i n g f o r a D a r k S u b j e c t
S e t t h e s h u t t e r s p e e d ( u s u a l l y I / 3 0 o r I / 6 0
second) when taking pictures in a dark atea.
The High-Low
switch should be depressed.
This
w i l l a c t i v a t e t h e n e e d l e . R e a d a w h i t e F f i g u r e
a l o n g t h e g u i d e l i n e a c c o r d i n g
t o t h e v i b r a t i n g
n e e d l e ,
a n d s e t t h e a p e r t u r e
o p e n i n g
f o r t h e l e n s
according
to the figure. lf, however,
the figure
pointed by the needle does not f it, make the shut-
ter speed slow. (The picture at the following
page shows the case of F 4.)
. l f t h e l e n s o p e n i n g
i s s e t f i r s t y o u w o u l d t h e n
turn the shutter speed dial until the pre-set
a p e r t u r e n u m b e r i s a l i g n e d w i t h t h e n e e d l e . I n
t h i s c a s e , t h e c a m e r a c a n o b t a i n t h e s a m e
results as 0ne of the interlocked
exposure
meter
type, because the meter is interlocked
with
t h e s h u t t e r s p e e d d i a l .
Advertisement
