Illuminating device for a stereo microscope

Details Illuminating device for a stereo microscope Illuminating device for a stereo microscope

1995-10-18

1998-05-05

Dzierzynski, Paul M.

Optical: systems and elements

Compound lens system

Microscope

359387, 359388, 359684, 359375, 359376, 359381, 359382, 359383, G02B 2106, G02B 2100, G02B 2120, G02B 1514

Patent

active

057483671

ABSTRACT:
An illuminating device for a stereo microscope having an objective with variable imaging focal intercept includes first coupling mechanism, which effects a coupling between the imaging focal intercept of the objective and the likewise adjustable focal intercept of the illuminating optical system, separate from the observation optics, in such a manner that the illuminating focal intercept is in agreement with the imaging focal intercept of the objective. Moreover, adjusting mechanism is provided for the defined adjustment of the diameter of the illuminated field. In particular, the illuminating device is suitable for a surgical microscope.

REFERENCES:
patent: 3669524 (1972-06-01), Shio
patent: 4232933 (1980-11-01), Nakahashi
patent: 4312559 (1982-01-01), Kojima et al.
patent: 4448498 (1984-05-01), Muller et al.
patent: 4724319 (1988-02-01), Shirota
patent: 4998810 (1991-03-01), Sander et al.
patent: 5532873 (1996-07-01), Dixon
The Above Documents are Discussed in Applicant's Specification.

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