My thanks to both Luis and Bobberty for their very helpful info.
Incidentally I'm shooting with transparency film, as yet
undetermined, and possibly Tungsten, and possibly with both
additional daylight and some sort of snooted strobe. Possibly I will
snoot a strobe and shoot with daylight film in a darkened room. I
want some back light for some of the shots, others with light from
behind and to the side. Most of the ornaments I'd be interested in
having photographs of are made of clear or translucent colored glass.
Using exclusively the Xmas tree lights was what I started out asking
about. So it seems I could shoot about 10 rolls bracketing with all
those combinations of filters!
Thanks. Onward and upward.
