Information transmission means in an intermediate lens tube for

Details Information transmission means in an intermediate lens tube for Information transmission means in an intermediate lens tube for

1981-04-21

1982-04-27

Gonzales, John

354 46, 354270, G03B 1714

Patent

active

043267882

ABSTRACT:
An intermediate lens tube to be mounted between an interchangeable lens and a camera body is provided with means for transmitting an information signal from the interchangeable lens to the camera body. Said information transmission means includes correction means for transmitting a corrected information signal to the camera body only when vignetting takes place in the intermediate lens tube.

REFERENCES:
patent: 3683765 (1972-08-01), Iura
patent: 4003068 (1977-01-01), Hashimoto et al.

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