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Canon Demi C

The Canon Demi C is a half-frame camera produced by Canon and introduced to the world in April of 1965.  The Canon Demi C makes an 18x24mm frame, giving the user about 72 exposures on a standard roll of 36 exp film.  

Unlike its predecessor, the Canon Demi, the Demi C is capable of using different lenses.  The Demi C uses a proprietary thread-in lens mount and Canon made two lenses for this camera: a 28mm f/2.8 and a 50mm f/2.8.  Since the frame is half the size of normal, the standard lens for the Demi C is the 28mm while the 50mm serves as a telephoto portrait lens.  The viewfinder for the Demi C naturally fits the 28mm lens but has smaller framelines for the 50mm as well.

The Demi C has a built-in selenium cell lightmeter and uses a needle readout atop the camera.  One changes the shutter or aperture settings on the camera til the top readout confirms correct exposure.  Meanwhile the Demi C lacks any sort of focusing aid as it is a viewfinder camera only.  Focusing is done via distance scale on the lens barrel.

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