Image reinverter for stereo microscope

Details Image reinverter for stereo microscope Image reinverter for stereo microscope

1997-11-07

1999-11-16

Spyrou, Cassandra

Optical: systems and elements

Compound lens system

Microscope

359377, 359834, 359375, 359836, G02B 2122, G02B 2120, G02B 504

Patent

active

059868015

ABSTRACT:
An inverting and reversing prism system for a stereo microscope having an optical longitudinal axis and left and right eye viewing systems having left and right longitudinal axes, respectively, along which left and right beam paths are transmitted, respectively, comprising: at least four reflecting surfaces (13, 15, 16, 13A and 13A, 15A, 16A, 13) in each beam path (14, 14A), two of the reflecting surfaces (13, 13A and 13A, 13) in each beam path comprising inlet and outlet surfaces, respectively, for deflecting the beam path by 90.degree., the inlet and outlet surfaces in each beam path being oriented 45.degree. relative to the optical longitudinal axis of the microscope and 90.degree. relative to each other, with a line of intersection (26) of planes containing the inlet and outlet surfaces in each beam path defining an angle of 45.degree. with respect to a plane through the left and right longitudinal axes of the left and right eye viewing systems, with at least two other of the reflecting surfaces (15, 16 and 15A, 16A) in each beam path comprising intermediate reflecting surfaces disposed for deflecting the respective beam path from the inlet surface to the outlet surface.

REFERENCES:
patent: 3964818 (1976-06-01), Humphrey
patent: 4634223 (1987-01-01), Ishii
patent: 4822150 (1989-04-01), Duarte
patent: 5009487 (1991-04-01), Reiner
patent: 5321477 (1994-06-01), Sander et al.

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