Stereoscopic microscope for multiple observation

Details Stereoscopic microscope for multiple observation Stereoscopic microscope for multiple observation

1980-11-28

1982-07-27

Henry, Jon W.

350 91, G02B 2122

Patent

active

043414354

ABSTRACT:
A stereoscopic microscope arranged for multiple observation, so that a surgical operation or other event may be observed simultaneously by two observers, or by one observer and a television apparatus. Three observation light paths are provided, with the centers of their respective entrance pupils lying at the three corners of a triangle. By splitting one beam, two pairs of stereoscopically related observation paths can be obtained. The pupil of the split light path has a diameter which is larger than the diameter of the pupil the other two light paths by a factor approximately equal to square root of two, so that both observers will see images of approximately equal brightness with their right and left eyes. Various specific arrangements of the observation light paths are disclosed.

REFERENCES:
patent: 4138191 (1979-02-01), Peyman et al.
patent: 4232933 (1980-11-01), Nakahashi
patent: 4277130 (1981-07-01), Takahashi

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