I put my mitts on an Agfa Isomat-Rapid camera. It is (yet another) a camera which uses a now obsolete 35 mm film cassette format - the Rapid. Back in the day you would purchase a film cassette - in appearance much alike the common 35 mm one - which fit into the Rapid system cameras produced by several brands. The film cassette has a peg which tells the camera which ISO/ASA the film is to be exposed at. So you didn't need to keep track of that when loading the camera. In the camera there is also a take-up cassette which collects the exposed film. It is the take-up cassette - which also can be reloaded - that is handed over to the lab for developing. I use the camera mainly with the intention of using it as a cheaper testing/trial camera for square format composition, which usually is the standard for 120-film cameras (middle-format) but is more expensive to buy and develop. Using the Isomat I can expose something like 40 pictures on 35 mm film which I myself load into a feeding...
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