The standard one seems to be the 35mm cartridge film
module, a
modified Nikon N6000 a.k.a. F-601M camera. If these do appear in the
market, they are sometimes converted back to standard, which involves
removing a small controller PCB and rejoining some wire ends, cf.
http://photo.net/bboard/q-and-a-fetch-msg?topic_id=23&msg_id=001BtO .
How comples is this controller board that's removed? Is it possible to
recreate it, and thus covnert a normal Nikon camera to work with the film
reocerder?
Alas (for you), the only Nikon I own has no electtornics in it at all. The
only electrical part is the flash contact.
-tony