Kenneth Corfield, together with his brother John, founds the company K.G. Corfield Ltd. in Wolverhampton, England.
Having manufactured a number of photographic accessories, such as rangefinders and exposure meters, the decision is taken to build a 35mm camera. The decision is influenced by the high duties on imported cameras. Initially, the aim is to provide a reasonably priced second body for Leica owners.
The first camera (Periflex 1 first version) is introduced. The name is derived from periscope reflex.
Periflex 1, version 2 introduced.
Periflex 1, version 3 marketed.
The Periflex 3 appears. On this model the periscope focusing unit is internal, with a conventional viewfinder window on the rear of the body. The front element of the viewfinder is interchangeable, to suit the lens being used.
Over the next few years a number of new models appear, starting with the Periflex 2 (basically a Periflex 3 with a lower top speed and a non-interchangeable viewfinder) in 1958. This is followed by the 3a (1959), 3b (1960), Gold Star and Interplan-A (both 1961). The Interplan is produced in three versions (Interplan-A, B and C) with Leica screw, Pentax M42 and Exacta bayonet

The company moves production to County Antrim, Northern Ireland.
The Guiness brewing company take a stake in K.G. Corfield Ltd (because of their precision engineering expertise). The Corfield 66, a 6 x 6 SLR, is introduced and a few prototypes of the final Periflex, the Maxim, are produced. Camera production ceases and manufacturing concentrates on automotive accessories.
The company, now owned by Smiths Industries Ltd., is closed down.
Detailed information is available in the book The Periflex Story by John E. Lewis, Ericson Lewis (Publications), Blofeld,1985.
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