-----Original Message-----
From: ClassicVW@xxxxxxx <ClassicVW@xxxxxxx>
To: olympus@xxxxxxxxxxxxxxx <olympus@xxxxxxxxxxxxxxx>
Date: Monday, June 21, 1999 3:37 PM
Subject: Re: [OM] Sunny 16?
>In a message dated 6/21/99 3:51:43 PM EST, Ogreve@xxxxxxx writes:
>
><< I've seen the term "sunny 16" various times. Maybe I'm totally ignorant,
>but
> was does it mean exactly?
>
> Does this refer to a reference to a light reading of 1/125th sec. (if
memory
> serves me right) at an aperture of 16 on a very sunny day (I think I've
read
> this somewhere) ?!?
>
> If this is way off base, then please could someone explain what it is
> exactly?
>
> Cheers!
> Olafo
> >>
> Olaf,
> "Sunny 16" just refers to a good starting point to figure an
>exposure. Apparently, I assume, this came from the days before there were
>in-camera meters, you had to bring along your meter. If you forgot to bring
>it, you could guesstimate from the sunny 16 rule. You would choose a
shutter
>speed equal to the film speed.
>F/16 refers to a bright sunny day. You would then open up the lens as
>conditions (clouds, overcast sky) dictated. The 1/125 at F/16 is OK if your
>film speed is 100 or 125.
>
> George S.
At the risk of fine tuning a bit, I'd say that 1/125 @ f16 using 100 ISO
film on a bright sunny day would result in one stop of under exposure. This
might not be an issue with colour negative film but with transparancies the
one stop of under exposure could be noticeable.
jh
jh
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