Pancratic magnification system

Details Pancratic magnification system Pancratic magnification system

1995-11-13

1998-10-20

Henry, Jon W.

Optical: systems and elements

Compound lens system

Microscope

359377, 359389, 359686, 359823, 359696, 359699, G02B 2112, G02B 2122, G02B 1514, G02B 2100

Patent

active

058255354

ABSTRACT:
A pancratic magnification system for at least two observation beam paths within a stereo microscope consists of a first and a second optical component that are displaceable in a defined manner along a common optical axis, following which a third, stationary, optical component is arranged. Variation of magnification is achieved by means of defined displacement of the first two optical components. A focusing on a desired object plane can be effected by displacement of only the first optical component. The pancratic magnification system is arranged after a common main objective for said at least two observation beam paths within the stereo microscope.

REFERENCES:
patent: 4155622 (1979-05-01), Klein
patent: 4175826 (1979-11-01), Blaha et al.
patent: 4235509 (1980-11-01), Takabayashi et al.
patent: 4354203 (1982-10-01), Koyama
patent: 5140458 (1992-08-01), Takagi et al.
patent: 5223981 (1993-06-01), Kaneda
patent: 5227914 (1993-07-01), Hanzawa et al.
patent: 5394267 (1995-02-01), Hanzawa

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