Archived posting to the Leica Users Group, 2000/08/24

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Subject: Re: [Leica] Grey card
From: Shel Belinkoff <>
Date: Thu, 24 Aug 2000 05:49:59 -0700
References: <000201c00d3b$5b010940$bb2340c3@pbncomputer> <009d01c00da5$6a279dc0$650a0a0a@slamb> <>

Not all grey cards are the same shade of grey, either.  A few months
ago I was in a camera shop looking at grey cards, looked at three
different brands of cards, and they were all different.  Using a 
Pentax Spotmeter it was determined that they each had a somewhat
different reflectance.  I opted for the "standard" of grey cards, the
- -- 
Shel Belinkoff

Mark Rabiner wrote:

> I recall grey cards with a WHITE flip side.
> I think they said to use the white side in dark situations and open up 4 stops
> from your reading.
> But whites might be more hard to regulate than a grey shade. Some manufactures
> would have titanium dioxide in theirs and it would be whiter than white.
> Markwr

In reply to: Message from "Erwin Puts" <> ([Leica] Grey card)
Message from "Simon Lamb" <> (Re: [Leica] Grey card)
Message from Mark Rabiner <> (Re: [Leica] Grey card)