Large exit-pupil stereoscopic microscope

Details Large exit-pupil stereoscopic microscope Large exit-pupil stereoscopic microscope

1995-07-07

1998-03-17

Callahan, Timothy P.

Optical: systems and elements

Compound lens system

Microscope

359373, G02B 2122

Patent

active

057293821

ABSTRACT:
A stereoscopic microscope having right and left eyepiece lens systems for observation of two aerial images formed with parallax. The stereoscopic microscope comprises a main body housing and an eyepiece body housing which comprises an optical system ranging to aerial images formed at locations nearest the observer's eyes and eyepiece lens systems including transmission type light diffusing devices which are disposed in the vicinities of the aerial images formed at the locations nearest the observer's eyes, thereby permitting enlarging the exit pupils and performing stereoscopic observation with little fatigue.

REFERENCES:
patent: 3574295 (1971-04-01), Tasaki
patent: 4012109 (1977-03-01), Freeman
patent: 4015898 (1977-04-01), Schirmer
patent: 4417788 (1983-11-01), Alvarez et al.
patent: 4699480 (1987-10-01), Pomerantzeff
patent: 4710002 (1987-12-01), Pomerantzeff
patent: 5321447 (1994-06-01), Sander et al.
patent: 5355253 (1994-10-01), Nanjo et al.
patent: 5394267 (1995-02-01), Hanzawa
patent: 5438456 (1995-08-01), Grinblat

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