Digital BW, The Print

This calulator works too.

http://www.brucelindbloom.com/index.html?CompandCalculator.html

right on
john E

--- Steve Kale <stevekale@...> wrote:

> XYZ_Y=IF(L>8, ((L+16)/116)^3,(L*27)/24389)
> 
> Then 
> 
> Density = -LOG10(XYZ_Y)
> 
> 
> 
> From: Joost Horsten <j.h.j.h@...>
> 
> 
> P.S. What is actually the formula to convert
> L-values to density? I
> seem to be unable to find this.
> 
> 
> 
> 
> [Non-text portions of this message have been
> removed]
> 
>