Isoflash-Rapid C

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The Agfa Isoflash-Rapid C was manufactured beginning around 1966 by Agfa Camera-Werk in Munich, Germany. It was made for Agfa's special Rapid cartridge system, intended to simplify film loading. As used in this camera, each Rapid roll yields sixteen 24×24mm exposures. The Isoflash-Rapid C is basically the Iso-Rapid C rebranded for distribution in the USA, through an Agfa affiliate based in Teterboro, New Jersey. It was clearly offered as alternative to the Instamatic series from Kodak which also promised easy drop-in film loading.

Like Afga's other "Iso" models, this version has a hard-cornered, boxy shape, and is mostly constructed of plastic molded with a waffle texture. There are satin-finish metal accents, likely fabricated from aluminum.

Rapid film was a two-cartridge system: A fresh film cartridge is placed in the right-hand compartment; with an identical but empty cartridge placed in the left (takeup) position. After closing the back, the specially-cut tongue of the film is pushed into the felt light trap of the take-up cartridge. After shooting two waste frames to reach unexposed film, the frame counter reads 16, and from there it counts down as additional shots are taken. Interlocks prevent the shutter from firing if the back is open or if film is not present in the film gate (for example, after the end of the roll is reached). The film itself is standard perforated 35mm stock.

As the name implies, the Isoflash-Rapid C offers a flash option in the form of regular flashcubes. The flash is powered by a small 6 volt battery concealed under the camera's metal base plate; but all other functions are entirely mechanical. The Isoflash Rapid C was intended for use with ASA 40 color film or ASA 100 black & white. The Isitar lens has a single fixed aperture, nominally f/8.2, and is fixed focus. The Parator shutter offers two speeds: “Sunny” (1/80 sec) and “Shade/Cloudy” (1/40 sec).