Stereomicroscope with adjustable objective and prismatic cubes

Details Stereomicroscope with adjustable objective and prismatic cubes Stereomicroscope with adjustable objective and prismatic cubes

1995-02-17

1996-06-25

Callahan, Timothy P.

Optical: systems and elements

Compound lens system

Microscope

359377, G02B 2122

Patent

active

055305873

ABSTRACT:
The invention is directed to a stereomicroscope having a main objective of variable focal intercept. An optical element is provided in each of the two stereoscopic component beam paths to provide a parallel displacement of the particular beam path. A coupling between each displacement of the two stereoscopic beam paths and the actual adjustment of the focal intercept of the main objective is also provided in such a manner that a preselectable constant stereo angle results even when there is a variation of the focal intercept of the main objective. In this way, a physiologically constant viewing impression results for the viewer.

REFERENCES:
patent: 5321447 (1994-06-01), Sander et al.

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