Zoom system for at least two stereoscopic viewing beam paths

Details Zoom system for at least two stereoscopic viewing beam paths Zoom system for at least two stereoscopic viewing beam paths

1995-12-21

1997-03-18

Henry, Jon W.

Optical: systems and elements

Compound lens system

Microscope

359363, G02B 2122

Patent

active

056128177

ABSTRACT:
The invention is directed to a zoom system for at least two stereoscopic viewing beam paths and includes a multi-element pancratic magnification system as well as an afocal inverting system arranged downstream of the pancratic magnification system at the viewing/documentation end. The inverting system images the stereoscopic pupillary plane or the apparatus pupils of the viewing/documentation unit approximately in the center of the pancratic magnification system. The zoom system is especially suitable for a stereomicroscope.

REFERENCES:
patent: 4175826 (1979-11-01), Blaha et al.
patent: 4364629 (1982-12-01), Lang et al.
patent: 5227914 (1993-07-01), Hanzawa et al.
patent: 5331457 (1994-07-01), Hanzawa et al.
patent: 5394267 (1995-02-01), Hanzawa

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