In article <54avdk$2ve@madeline.INS.CWRU.Edu>, cu050@cleveland.Freenet.Edu says...

>While there may be something to color interpretation, especially with
>longer lens, the example given still begs the original questions. If a
>green object reflects 18% or a grey object reflects 18%, it's still 18%.
>I think today's films are equally sensitive across the spectrum.

Well, not quite...., but the problem is that most meters don't agree
with the film color response, so errors occur when metering strong,
pure colors (or when using colored filters). Maybe the F5 meter
addresses this problem....
Hope This Helps