MakerPolaroid CorporationTypeSingle-lens reflexLensLens4-element 116 mm f/8 fixed glass[ Sensor/mediumFilm formatSX-70Film size3 1/8" × 3 1/8"ASA/ISO range160Recording mediumInstant filmFilm advanceAutomaticFocusingFocusManual; Automatic (on Sonar models)GeneralBattery6 V Polapulse cell inside film packBody composition or special featuresglass-filled polysulfone (Model 1) ABS (Models 2 & 3)ChronologyProduction1972 to 1981Successor600 series, including Polaroid Impulse History SX-70 Model 2 with film cartridge protruding from the front SX-70 Sonar One Step A fully collapsed SX-70 In 1947, Polaroid introduced its first consumer camera. The Land Camera Model 95 was the first camera to use instant film to quickly produce photographs without developing them in a laboratory. The popular Model 95 and subsequent Land Cameras required complex procedures to take and produce good photographs. Photographic paper had to be manually removed from cameras, peeled open after 60 seconds, needed several minutes to dry, and often left developing chemicals on hands. The instructions for the Model 20 Swinger, introduced in 1965, warned that, if not followed, "you’re headed for plenty of picture taking trouble". each film pack of ten pictures ($1,078 and $41, respectively, adjusted for inflation[5]) limited demand, Polaroid sold 700,000 by mid-1974.[2] In 1973–4, the Skylab 3 and 4 astronauts used an SX-70 to photograph a video display screen to