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Complete Projectionist 1949
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Magnascope Lens
A favourite effect in some cinemas is the “Magnascope” or wide-screen effect, in which the width and height of the screen may be increased by 75 per cent. for the presentation of special scenes- large crowd or stage scenes, certain types of shots in the news film, and so on
This is achieved by the variable focus zoom lens in conjunction with which is used an elaborate system of moving screen masking, by hand or motorised
If the alteration in lens focus carefully follows the enlargement of the screen, a very striking effect can be achieved; in certain types of scenes the screen masking should be opened out when objects are coming towards the camera, and the screen masking closed when they are moving away from it
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