Micrometer microscope with binocular viewing

Details Micrometer microscope with binocular viewing Micrometer microscope with binocular viewing

1975-12-16

1977-06-07

Corbin, John K.

G02B 2732

Patent

active

040279421

ABSTRACT:
A micrometer microscope has a main optical system having a light source, the brightness of which is adjustable, a filter, a condenser lens, an objective lens and binocular eyepieces arranged on an optical axis, and a further optical system having a scale-projecting lens, a negative of a scale, a micrometer connected to the scale, a scale light filter and a scale light source the brightness of which is adjustable, arranged on a further optical axis perpendicular to and intersecting the optical axis of the main optical system. A half mirror is positioned on the optical axis of said main optical system at the point where the optical axes intersect and at an angle thereto for receiving the image of the scale from the further optical system. The magnification of the scale-projecting lens and the magnification of the objective lens is in a ratio of a whole number multiple of 10.

REFERENCES:
patent: 3398631 (1968-08-01), McGivern et al.
patent: 3418034 (1968-12-01), Ambrose
patent: 3552819 (1971-01-01), Mandler
patent: 3900244 (1975-08-01), Wiesler et al.

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