Polaroid SX-70, Alpha, Sonar, 680 - Service Repair Upgrade - 600, i-type, SX70R

POLAROID SX-70, Sonar, 680, Repair, 600 conversion and SX-70R Bluetooth pcb upgrade. The SX-70R is a new pcb which replaces the old pcb in your Polaroid SX-70, Sonar or 680. It has been designed from scratch using modern components.