How many kind of mount exist for medium format slide projectors? It 's possible put a zeiss p-planar (of pcp 80) on a Rolleivision 66 projector? And lens for Rolleivision 66 projectors could be put on a pcp 80? Are there any other lenses that can be adapted to that projectors? And Kindermann medium format slide projectors what mount have ? Other advise are a accepted. Thank you.