Garth--
I shoot copy work with a couple of TotaLites too. Glad the suggestions sparked something. Also, thanks for posting your refinements of the method.
Beth--
You gotta experiment. But to your point, I would imagine that trying to meter a number of points on the canvas with the reflective meter in the camera and a gray card would be incredibly cumbersome. You would almost always be metering into your own shadow--make sure you're not between the light source and your painting.
Folks, do yourself a favor. If you are going to do your own copy work, get a hand-held meter. They're not THAT expensive, and you can probably find one used. You'll pay yourself back by not having to have a professional lab shoot your paintings. If your setup is metering evenly across the canvas, you're 99 percent of the way home.
Onward--TE
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