Polaroid Swinger Model 201960's polaroid camera Typical elements of simple box cameras were combined in the Polaroid Swinger Model 20: a non focusable meniscus lens (Polaroid f 17 100 mm), a simple rotary single speed shutter (1 200), and last not least roll film as media, the first type of roll film for exposures which had to be pulled out of the camera to be developed in the light. The Polaroid films were very fast (ISO 640). Other features were a telescopic viewfinder, an