On a clear, sunny day, probably between about 10 AM and 3 PM, exposure
required should be f16 + 1/ASA of your film (roughly). E.g., Velvia would
= 1/60 @f16, Provia = 1/125 @16.
Exceptions to Sunny 16 are bright snow and bright sand, which creates "more
light" through reflection, etc. F22 + 1/ASA is the rule in these
situations. Your meter will tell you to stop down to F32 (or equivalent).
Similarly flowers in full sun against a dark background will be
over-exposed if you follow the meter reading. Awareness of Sunny 16 can
help compensate for the meter's tendency to make a hash of all reflectance
values.
Joel
At 11:13 PM 8/30/1999 +0100, you wrote:
>
>On Fri, 27 Aug 1999, Joel Wilcox wrote:
>
>> can compete with an OM-1 in that regard. Its electronics merely govern the
>> display, so you can always shoot it using the Sunny 16 rule. I'd recommend
>> paying attention to that rule even with a good working OM-1N, too. <G>
>
>Could you explain Sunny 16 rule?
>
>
>Thanks for the advice,
>Nicholas
>
>
>
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