Variable stereomicroscope

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G02B 2122

Patent

active

044924410

ABSTRACT:
A microscope having a variable degree of stereoscopy comprises an objective lens, two eyepiece lenses, and a beam-directing means, such as a prism block, which directs light received from the objective lens to each eyepiece lens and which is movable along the axis of the objective lens.

REFERENCES:
patent: 4009930 (1977-03-01), Abe et al.
"Geometrical and Physical Optics" by R. S. Longhurst, Longmans, on pp. 368 and 369, the Requirements of a Stereomicroscope are discussed.
In "Applied Optics and Optical Engineering", 4 1967 edited by R. Kingslake, Academic Press, on p. 60, J. R. Benford and H. E. Rosenberger disclose An Alternative Microscope Having a Fixed Angle of Stereoscopy and Using Polarised Light.

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