Polavision was typically shot at 15 frames per second (fps) , whereas standard Super 8 is often 18 or 24 fps.
The film is sealed in a cartridge with its own prism and lens; it cannot be played in standard Super 8 projectors without modification. 8MM SUPER 8 POLAVISION TRANSFER
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 Polavision was typically shot at 15 frames per
How To Transfer Polaroid Polavision Super 8mm Film to Digital 8MM SUPER 8 POLAVISION TRANSFER
Polavision film is much denser (darker) than standard Super 8 because it uses an additive color process with RGB filter stripes.