1978-06-30
1980-08-12
Corbin, John K.
350 36, 350145, G02B 2102
Patent
active
042170257
ABSTRACT:
A microscope for stereoscopically observing therethrough an object from an oblique direction comprises a first convergent lens group and two second convergent lens groups. The first convergent lens group is disposed with the optic axis thereof perpendicular to the object plane to collimate the light from each point on the object plane when the focal plane thereof is coincident with the object plane. The two second convergent lens groups have equivalent optical performances and are parallel-disposed so that the principal planes thereof are coincident with each other on the exit side of the first convergent lens group and that the principal planes thereof are disposed non-parallel by forming a predetermined angle with the principal plane of the first lens group.
REFERENCES:
patent: 3912359 (1975-10-01), Uetake et al.
patent: 3994558 (1976-11-01), Schulz et al.
Corbin John K.
Koren Matthew W.
Nippon Kogaku K.K.
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