Patent
1979-04-24
1981-10-27
Corbin, John K.
350429, 350465, G02B 304, G02B 960, G02B 1514
Patent
active
042970075
ABSTRACT:
A method and optical apparatus by which a camera initially adapted to utilize a zooming optical system of the type which includes a variable focus, afocal zoom lens section and a prime lens section is adapted to utilize only the prime lens section of the zooming optical system.
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Caufield Francis J.
Corbin John K.
Polaroid Corporation
Sugarman Scott J.
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