Archived posting to the Leica Users Group, 2000/04/29

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Subject: Re: [Leica] (Handy) Grey card
From: Henry Ambrose <digphoto@nashville.net>
Date: Sat, 29 Apr 2000 21:38:22 +0100

>If you look at the pictures in Natchwey's 'Inferno' (I got my copy
>today) you will see many people whose hands do not have a reflectance
>of 18%, save perhaps on the palm. 
>
>Some people have skin that is significantly darker than 18%
>reflectance, but palms with a reflectance in the 25% range.
>
I guess everyone who uses the palm method should have their hands 
calibrated! 
But then what happens when you get'em dirty?

Seriously, I carry a card but I have neveer used it in the field. Grass 
or dirt or pavement seems to work and I don't have to go digging for it 
in my bag.

Henry