Lens mount for photographic recording apparatus

Details Lens mount for photographic recording apparatus Lens mount for photographic recording apparatus

1977-10-31

1979-07-31

Evans, F. L.

350255, 350286, G02B 704

Patent

active

041628233

ABSTRACT:
A lens mount in a camera assembly for use with a cathode-ray tube is provided. In particular there is provided a single body section spacer for insertion from one end of the lens assembly to the other end for changing the optical characteristics.

REFERENCES:
patent: 2381228 (1945-08-01), Schmidt
patent: 2853925 (1958-09-01), Lee
patent: 3118360 (1964-01-01), Marjoram et al.
patent: 3149903 (1964-09-01), Merrick
patent: 3259008 (1966-07-01), Buck
patent: 3544199 (1970-01-01), Prochnow
Hesse, Radio and Television News, Dec. 1949, pp. 62, 63 and 161.

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