18% Grey in 8 and 10 bits log and lin,

Date : Fri, 23 Sep 2005 16:08:13 -0300
To : <DS(at)Softimage.COM>
From : "Espiritu VFX" <vfx_list(at)fibertel.com.ar>
Subject : 18% Grey in 8 and 10 bits log and lin,
Hi guys,
 
Does anyone know how to complete this values? or acn point me to any link?
 
USING LINEAL
 
8 bit Video Levels: 16-235
8 bit Graphics: 0-255
¿Where's Grey 18% in each case?
 
 
10 bit Video Levels:  ??-??
10 bit Graphics: 1-1023
¿Where's Grey 18% in here?
 
USING LOG
 
10 bit Video Levels: 64-940
10 bit Graphics: 1-1023 
¿Where's Grey 18% in here?
 
Thanks,
Nacho

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