Fuji films backs

[Fabrizio]

Hi everybody, does anybody knows is is it possible to use the fuji 4x5 instant films with a polaroid 545 back?

if not which other back can I use which fin on a Speed Graphic?

Regards

Fabrizio

[Vlad Soare]

Nope.
You need a Fuji holder, or a Polaroid 550.