Datacolor User to User Support Group.

--- In colorvision_group@yahoogroups.com, "Brian Smith" <zen1@...> wrote:
>
> --- In colorvision_group@yahoogroups.com, "Tom" <ttrostel@> wrote:
> 
> > When you are asking about luminance level ... do you mean lightness 
> >or brightness?
> 
>  I get the impression esimanor may actually mean luminance as measured 
> in cd/sq m which is not a subjective thing.
>

Though he mentioned "to the eye of the observer" which depends
directly on the observation conditions.