hey there

not sure if you know graflex.org ...
they seem to have everything you can think of over there !

http://graflex.org/helpboard/viewtop...ce7c08c5fa81f1

it seems there are 2 auto rb cameras, and depending on which one you have ....

oh, i searched using " lenses" + " auto rb " in quotes just like that in their sitewide search engine
other stuff came up too but the link posted seemed just right ...

have fun !
john