30 Minutes after exposure.
Polaroid Fade To Black Film
Fade to Black is an integral film designed to be used in the  Polaroid SX/70. The Fade to Black aesthetic is caused by a manufacturing malfunction that causes the film to continue developing to the point of blackness.  You can manually stop the development of Fade to Black [...]

Categories: Fade to Black, Polaroid SX/70 Sonar