The world's first folding SLR camera & first instant camera.

History

The SX-70 is a folding single lens reflex Land camera which was produced by the Polaroid Corporation from 1972 to 1981. The company first sold the SX-70 in Miami, Florida in late 1972, and began selling it nationally in fall 1973. Although the high cost of $180 for the camera and $6.90 for each film pack of ten pictures.

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Polaroid founder Edwin H. Land announced the SX-70 at a company annual meeting in April 1972. On stage, he took out a folded SX-70 from his suit coat pocket and in ten seconds took five pictures, both actions impossible with previous Land Cameras.

Design

The SX-70 included many sophisticated design elements. A collapsible SLR required a complex light path for the viewfinder, with three mirrors (including one Fresnel reflector) of unusual, aspheric shapes set at odd angles to create an erect image on the film and an erect aerial image for the viewfinder. The body was made of glass-filled polysulfone, a rigid plastic which was plated with a thin layer of copper-nickel-chromium alloy to give a metallic appearance. Models 2 & 3 used ABS in either Ebony or Ivory color. The film pack contained a flat, 6-volt "PolaPulse" battery to power the camera electronics, drive motor and flash.