Minolta XG-7 Owner's Manual page 30

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I
t
Creative apertu re control
T h e r e m a y b e t i m e s w h e n i t w a l l b e m o s t
important to set the lens aperture to obtain a
p a r t i c u l a r e f f e c t , s u c h a s r e n d e r i n g a c e r t a i n
r a n g e i n s h a r p f o c u s o r e m p h a s i z i n g a s u b j e c t
a g a i n s t a n o u t - o f - f o c u s b a c k g r o u n d . I n t h i s
c a s e , s e t t h e d e s i r e d a p e r t u r e , a n d l e t t h e
A: Large lens opening
c a m e r a s e l e c t t h e s h u t t e r s p e e d . S m a l l f - n u m -
b e r s y i e l d a s h a l l o w f i e l d o f s h a r p f o c u s , a s i n
E x a m p l e A b e l o w , w h i l e l a r g e f - n u m b e r s g i v e
g r e a t e r d e p t h o f f i e l d , d s i n E x a m p l e B . T o
d e t e r m i n e a c t u a l d e p t h o f f i l e d , u s e t h e d e p t h -
o f - f i l e d s c a l e ( s e e p . 3 6 )
B: Small lens opening

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