Transferring Polaroid Polavision (8mm Super 8) film is a specialized process because the film is permanently housed in a proprietary "Photo tape" cassette designed for instant development and playback. To transfer this media to a digital format, you must essentially "break" the film out of its original cartridge and prep it for standard scanning.
Polavision was typically shot at 15 frames per second (fps) , whereas standard Super 8 is often 18 or 24 fps. 8MM SUPER 8 POLAVISION TRANSFER
How To Transfer Polaroid Polavision Super 8mm Film to Digital Transferring Polaroid Polavision (8mm Super 8) film is
Because the film was "instantly" developed inside the cartridge, it often contains dried-out chemical residue or "crystallized" emulsion that requires professional cleaning. DIY Transfer Guide How To Transfer Polaroid Polavision Super 8mm Film
The film is sealed in a cartridge with its own prism and lens; it cannot be played in standard Super 8 projectors without modification.