Yes... you can change backs and swap them as often as you want. They all have dark slides so NP.
Originally Posted by dwdmguy
Also they made a 3 way back with masks for the Mamiya Universal, You need a "M" adapter for the Polaroid 600 SE for that back to work. The mounting CLAWS are different on the Mamiya and the Polaroid even tho it was ALL made by Mamyia.
If you have any other question PE me and I will fill you in, I use this system almost EVERYDAY... The Fuji FP-3000b ROCKS !!!