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 10:51:17 2005

On 6/10/05 10:42 AM, "John O. Newell" <> typed:

>> 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.
> I've heard John Shaw say the same in a workshop.  There may be something in
> one of his books on this, but I don't have any of them handy this time of 
> day.
> John Newell
Well if Tims thing is right then every time you use a gray card you're over
exposed a half stop. No wonder we're so over exposed!
I think the universe is off a half stop in the other direction so it all
balances out.

Mark Rabiner
Portland Oregon

Replies: Reply from mark at (Mark Rabiner) ([Leica] Gray card not 18% Erwin)
In reply to: Message from john.o.newell at (John O. Newell) ([Leica] Gray card not 18% Erwin)