Stereomicroscope including a single variable magnification optic

Details Stereomicroscope including a single variable magnification optic Stereomicroscope including a single variable magnification optic

1991-07-12

1993-07-13

Henry, Jon W.

Optical: systems and elements

Compound lens system

Microscope

359380, G02B 2122

Patent

active

052279146

ABSTRACT:
A stereomicroscope is equipped with an objective lens, a variable magnification optical system having an optical axis common with that of the objective lens, a splitting optical system splitting emergent light from the variable magnification optical system into a plurality of optical paths, and an eyepiece disposed in at least one of the optical paths, having a diameter larger than the interpupil distance of an observer. Thus, the stereomicroscope has advantages that, with a simple structure and easy adjustment, many people can make observations, the mountings of photographic and TV devices are possible, the directions in which plural observers see through the microscope can be changed, and eyestrain is difficult to occur which may be caused by the difference in magnification between the images of a bilateral observation optical system.

REFERENCES:
patent: 4072395 (1978-02-01), Mohon
patent: 4341435 (1982-07-01), Lang et al.
patent: 4436384 (1984-03-01), Taira
patent: 4688907 (1987-08-01), Kleinberg
patent: 4783159 (1988-11-01), Takagi et al.
patent: 4802749 (1989-02-01), Togino et al.
patent: 4838671 (1989-06-01), Papritz et al.
patent: 4991947 (1991-02-01), Sander et al.
patent: 5015081 (1991-05-01), Kitajima et al.
patent: 5052789 (1991-10-01), Kleinberg

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