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brundige
Dec 23, 2004, 6:53 AM
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Registered: Apr 5, 2004
Posts: 305
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WHat is it
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chanceboarder
Dec 23, 2004, 8:32 AM
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Registered: Oct 6, 2003
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1/16 rule or sunny 16 rule or what ever name you want to call it. it pretty much means that on a bright sunny day under normal conditons anywhere from 2 hours after sunrise to 2 hours before sunset the correct expose for anything in the sun is f16 @ your ISO. so if you have 100 speed film the correct exposure for anything in the sun is f16 @ 1/125 sec, 400 speed film its f16 @ 1/400 sec and so on.
here are some other variations on the rule for not sunny times:
f16 @ ISO - bright sun and dark shadows under normal conditions
f11 @ ISO - hazy overcast and light shadows
f8 @ ISO - overcast and no shadows
f5.6 @ ISO - subject in open shade (nothing above it)
f2/2.8 @ ISO - subject in closed shade
there's a bunch of others for different situations but try these out.
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