Archived posting to the Leica Users Group, 2005/06/10

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Subject: [Leica] Gray card not 18% Erwin
From: mark at (Mark Rabiner)
Date: Fri Jun 10 09:25:32 2005

Over the years one of the more interesting things I've learned on the LUG
was that the gray card is not real middle gray. It's off a few degress for
some reason from 18%. Or that 18% should be 19%.
Erwin had the skinny on it but I can't find it on his website.

Anybody know where to find that stuff or care tell me what it is?

I find it fascinating that one of the starting points, the givens, of
photography is really not really on the money.
It's always something! :)

But I want to know what it is I'm all organized with my notes and everything

Mark Rabiner
Portland Oregon

Replies: Reply from s.jessurun95 at (animal) ([Leica] Gray card not 18% Erwin)