Stereomicroscope

Details Stereomicroscope Stereomicroscope

1989-07-03

1992-05-19

Arnold, Bruce Y.

Optical: systems and elements

Compound lens system

Microscope

359468, 359472, G02B 2122, G02B 2722

Patent

active

051153394

ABSTRACT:
A stereomicroscope for comparing photographs is disclosed. The microscope includes a pair of complementary occluders with one occluder positioned in an intermediate image plane of each side of the stereo optical system, which also includes a conventional image rotator and zoom system to permit independent adjustment of the orientation and size of each image. The complementary occluders accentuate small differences between nearly identical photographs by providing a border at which an object present in only one photograph will appear or disappear as the two photographs are simultaneously scanned.

REFERENCES:
patent: 3495891 (1970-02-01), Lee
patent: 3879107 (1975-04-01), Chaban
patent: 3935011 (1976-01-01), Schindl
patent: 4017147 (1977-04-01), Weber et al.
patent: 4281923 (1981-08-01), Friedman
patent: 4698564 (1987-10-01), Slavin
patent: 4712889 (1987-12-01), Schindl
patent: 4761066 (1988-08-01), Carter
patent: 4781435 (1988-11-01), Lippmann et al.
patent: 4830482 (1989-05-01), Resnikoff
patent: 4861997 (1989-08-01), Marx

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