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Exposure
t erminology
• All
t hree
o f
t hese
e lements
( Aperture,
S hutter
S peed
a nd
I SO)
coordinate
t o
d etermine
t he
e xposure
• Example
1 :
c hoosing
a
l arger
l ens
o pening
f or
s hallow
d epth
o f
f ield
will
let
i n
m ore
l ight
– you
m ay
h ave
t o
c ompensate
b y
c hoosing
a
faster
s hutter
s peed
o r
a
l ess
s ensitive
I SO
• Example
2 :
c hoosing
a
s lower
s hutter
s peed
t o
i ncrease
m otion
b lur
will
let
i n
m ore
l ight
– you
m ay
have
t o
c ompensate
b y
c hoosing
a
smaller
lens
o pening
o r
l ess
s ensitive
I SO
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