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In 1947, Polaroid introduced its first consumer camera. The popular Model 95 and subsequent Land Cameras required complex procedures to take and produce good photographs. 1965, warned that, if not followed, “you’re headed for plenty of picture taking trouble”. Pictures from the SX-70, by contrast, ejected automatically and developed quickly without chemical residue. 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. 1972, and began selling it nationally in fall 1973. Polaroid sold 700,000 by mid-1974.
SX-70 to photograph a video display screen to be able to compare the Sun’s features from one orbit to the next. There were a variety of models beginning in 1972 with the original SX-70, though all shared the same basic design. Land wanted to encourage photographers to think they were looking at the subject, rather than through a viewfinder. When many users complained that focusing was difficult, especially in dim light, a split-image rangefinder prism was added. This feature is standard on all later manual focus models. This sonar autofocus system greatly helped the user’s ability to focus the camera, especially in dark environments, and could be turned off if manual focus was needed. Though expensive, the SX-70 was popular in the 1970s and retains a cult following today.
The SX-70 included many sophisticated design elements. Many mechanical parts were precision plastic moldings. General Electric, used logic circuits to detect and fire the next unused flash. Although a variety of models were offered, all share the same basic design. 8 glass lens, and an automatic exposure system. The cameras allow for focusing as close as 10. 175 s to more than 10 seconds.
The Model 3 departs from the other models since it isn’t a SLR, but instead has the viewfinder cut into the mirror hood. Ever-Ready carrying case that hung from the neck and unfolded in concert with the camera. These models, although also utilizing SX-70 film, are very different from the folding SLR SX-70s. Built using vintage Polaroid SX-70 cameras. The SLR670-S has the ability to set manual shutter speed. This is the only Polaroid that can set manual shutter speed with automatic ISO selection.