The Impossible Project Flash Bar 2 by MiNT for Polaroid SX-70-Type Cameras is a re-usable high quality electronic flash bar device for all Polaroid folding (including the Sonar models) and box-type SX-70 cameras and optimized for use with Impossible Film. The special ND-compensation mode allows usage of film for 600 type cameras in these cameras. It is delivered with color filters in hot pink and chartreuse.