>it was necessary for John Shaw to rate Velvia at 32, 40, 50, and 80,
>depending on which N*k*n F4 camera body he used. These four different
>settings would all produce exactly the same results. The differences were
in
>the camera metering systems.
If I had this kind of varience from a professional system like the F4, I
would be hopping mad. There is absolutely no excuse for the entire
production of the F4 to vary more than a half-stop. Even all of my OM's and
photo meters are within a half-stop and they span 25 years.
I suspect that John Shaws' evaluation methods are less than perfect. If he
is happy, more power to him, but I think they are less than purely
scientific. In his books he described setting your meters to a neutral
scene that was completely variable. Oh, well. He has sold many more
pictures than me--what do I know.
Ken N.
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