I know the Pentax 645n and II imprint it on the rebate.
In hindsight, as much as it might be useful over the lightbox, I'm not all that certain imprinted film is a better method than the time-honoured notebook and pen (or voicecorder). Each to his own...
.::Gary Rowan Higgins
One beautiful image is worth
a thousand hours of therapy.
"It is horrifying that we have to fight our own government
to save the environment."