hi professor pixel
you are correct ...
but i was thinking about ART, not commercial work that is copyrighted.
i know the copyright office allows artists to copyright 3d and 2d artwork, not just
commerical / non-"for hire" assignment work .. and my questions could probably be distilled down to this:

if someone buys a negative from you as a piece of artwork, do they get usage rights to reproduce that negative transfered to them
at the time of purchase or do the usage rights still belong to the creator?

thanks !