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Re: [OM] Sunny 16?OT re. loony f/4

Subject: Re: [OM] Sunny 16?OT re. loony f/4
From: Richard Ross <richard@xxxxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 27 Jun 1999 19:36:02 +0100
Joel Wilcox wrote:
>If I shoot a side-lit flower against a dark background, exposing for the
>proper values of the flower itself, and not an average of the whole scene,
>I should get a properly exposed photo of a flower against a dark
>background.  If I have two flowers of the same value in the scene, my
>exposure doesn't change.
>
>Why is it different with the moon?  The moon is not a light source per se,
>but reflected light, just like the flowers.

True, but the loony/f4 rule is for taking *moonlit objects*, not the moon
itself.  So if there's half a moon, there's half as much light illuminating
the scene, hence +1 stop.

Cheers
Richard


Richard Ross
Hemel Hempstead, England
rhdesign@xxxxxxxxxxxxx

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