Optical system of colposcope

Details Optical system of colposcope Optical system of colposcope

1979-01-12

1980-11-11

Bauer, Edward S.

350 32, 350 40, 350 44, 350 91, 354 62, 354 79, G02B 2100

Patent

active

042329337

ABSTRACT:
An optical system of colposcope comprises a pair of independent observation optical sub-systems each having a family of objective lenses including a magnification varying optical sub-system, the magnification varying sub-system in one observation sub-system being ganged with the magnification varying sub-system in the other observation sub-system. The optical system also comprises a photographing optical sub-system having a family of objective lenses including a magnification varying optical sub-system which is ganged with the magnification varying sub-systems of the observation sub-systems, and an illumination optical sub-system for illuminating an object being examined. The observation, the photographing and the illumination sub-system are disposed so that their optical axes converge on the object being examined.

REFERENCES:
patent: 3405990 (1968-10-01), Nothnagle et al.
patent: 3994288 (1976-11-01), Stumpt
patent: 4009929 (1977-03-01), Abe et al.
patent: 4009930 (1977-03-01), Abe et al.
patent: 4067027 (1978-01-01), Yamazaki

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