Binocular observation instrument

Details Binocular observation instrument Binocular observation instrument

1979-09-27

1981-04-28

Henry, Jon W.

350 75, G02B 2318, G02B 724

Patent

active

042641225

ABSTRACT:
The invention contemplates a binocular observation instrument wherein two viewing tubes are pivotally connected for articulation about a first axis to adjust for interpupilary distance and wherein provision is made for further articulation about a second axis to enable adjustment of the angle between the respective optical axes of the two viewing tubes.

REFERENCES:
patent: 962929 (1910-06-01), Straubel
patent: 1272214 (1918-07-01), Camus
patent: 2826114 (1958-03-01), Bryan
patent: 2935910 (1960-05-01), Schmidt
patent: 3029696 (1962-04-01), Schmidt

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