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FUJIFILM FUJI SQ1 SQUARE&MINI FILM INSTAX BACK FOR MAMIYA RB67 – PolaStudio
Mamiya 645 AF Polaroid Back | eBay
File:0347 Mamiya RB67 Polaroid Back (5646423128).jpg - Wikimedia Commons
TRF - Thierry Frisch - Mamiya RB67 with Polaroid Back and old Fuji 100c film which has been in camera for over 10 years... Still working perfectly. The original instant photo experience.
Zinstax Review - A polaroid back for the Mamiya RZ67 - YouTube