Quote Originally Posted by Mark Sawyer View Post
Probably best to scan the original, print a positive transparency, and project it onto the tintype with an enlarger.
Enlarged inkjet transparencies will likely look horrible at any significant enlargement (read: anything over 1:1).

I saw a brief documentary about a Dutch photographer a couple of years ago who did something like this. IIRC, he captured on MF film, made interpositives and then enlarged these onto plates to arrive at his tintypes. Unfortunately, I can't remember the series this was part of.