Stereoscopic-vision endoscope

Details Stereoscopic-vision endoscope Stereoscopic-vision endoscope

1995-09-11

1997-11-18

Dierzynski, Paul M.

Optical: systems and elements

Compound lens system

359363, 359375, 359376, 359378, 359381, 359384, 359462, 359656, G02B 2136, G02B 2120, G02B 2122, G02B 2100

Patent

active

056893655

ABSTRACT:
A stereoscopic-vision endoscope having an objective optical system consisting of a front optical system having a single optical axis including a field conversion optical system, and a rear optical system including optical systems that have a plurality of optical axes. A light beam is received from the front optical system so as to form images on the optical axes, and thus form a plurality of images. The front and rear optical systems can be turned relative to each other. Thus, a magnitude of parallax permitting a sufficient sense of three-dimensionality can be provided, and the postures of images can be corrected responsively to a change in direction of view resulting from the rotation of an insertional part.

REFERENCES:
patent: 4905082 (1990-02-01), Nishigaki et al.
patent: 5191203 (1993-03-01), McKinley

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