K. G. Corfield Ltd was an innovativecamera andlens manufacturing company based inWolverhampton.[1] The company produced high quality cameras and lenses basing many design features on theLeica range of 35mm cameras. One unique design was employed in thePeriflex series of cameras which utilised a novelperiscope viewing system to achieve fine focus. A miniature periscope descended into the optical path of the lens when the film was advanced. This provided a much enlarged view of the central area of the film frame. When the shutter was released, the periscope sprung vertically up out of the optical path and then the horizontal clothfocal plane shutter operated.
The company also produced other photographic equipment including theLumimeter, an exposure meter for use in the darkroom based on the comparison between reflected light from the enlarger and a variable transmitted light from the meter observed in a split screen. When both sides were equally lit, the dial controlling the variable light showed the correct exposure.The driving force behind the company and its products wasSir Kenneth Corfield
In January 1959, the camera manufacturer moved fromWolverhampton toBallymoney, becoming the only camera manufacturers on the island of Ireland. In the face of face of Japanese and German competition, the enterprise failed.[2] The company ceased trading in 1971[3] Subsequently, Sir Kenneth Corfield resurrected the firm to build theArchitect camera and to become involved in the production ofGandolfi cameras.
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