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Slow Shutter Speed - Pentax AF500FTZ User Manual

Pentax digital camera
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A c o r r e c t e x p o s u r e i s e s t a b l i s h e d b y a c o m b i n a t i o n
o f s h u t t e r s p e e d a n d a p e r t u r e s e t t i n g a c c o r d i n g t o
t h e s u b j e c t b r i g h t n e s s . A c t u a l l y , t h e r e a r e m a n y
c o r r e c t c o m b i n a t i o n s o f s h u t t e r s p e e d a n d a p e r t u r e
f o r a p a r t i c u l a r s u b j e c t b r i g h t n e s s . D i f f e r e n t
s h u t t e r s p e e d a n d a p e r t u r e s e t t i n g s p l g d u c e
different effects. The Hyper Program-shift and Picture
Mode make it easy to produce these effects. (See pages
40 and 35.)
Effect of Shutter SPeed
T h e s h u t t e r s p e e d d e t e r m i n e s t h e f i l m e x p o s u r e
t i m e , o r t h e a m o u n t o f l i g h t s t r i k i n g t h e f i l m . T h e
s l o w e r t h e s h u t t e r s p e e d , t h e l o n g e r t h e s h u t t e r
s t a y s o p e n . l f t h e s u b i e c t i s m o v i n g , i t s i m a g g w i l l
n e ' n t u r i e d a t a s l o w s p e e d . I n c o n t r a s t , c h o o s i n g a
h i g h s h u t t e r s p e e d a l l o w s a s t a t i o n a r y i m a g e t o b e
t a f e n o f a m o v i n g s u b j e c t . A h i g h s h u t t e r s p e e d
p r e v e n t s c a m e r a s h a k e . l t i s p o s s i b l e t o e n h a n c e t h e
m o t i o n o f a w a v e o r a w a t e r f a l l b y b l u r r i n g t h e
m o v e m e n t u s i n g a s l o w s h u t t e r s p e e d '
H i g h s h u t t e r s P e e d
Slow shutter sPeed
www. butkus. orglchino n

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