Stereomicroscope

Details Stereomicroscope Stereomicroscope

1983-05-02

1985-05-21

Henry, Jon W.

350515, 350414, 350447, 350436, G02B 1310, G02B 2102, G02B 2122

Patent

active

045182310

ABSTRACT:
A stereomicroscope in which the axes of the two stereo channels are guided in parallel behind the objective assembly. Two different embodiments of the objective assembly are disclosed. One embodiment contains a common main objective for both individual stereoscopic pencils as well as a pair of wedge prisms of dispersive action to correct for the chromatic aberration in the direction of the stereo base which is produced as a result of the eccentric passage of the individual pencils through the objective. The second embodiment comprises a pair of individual objectives (Greenough type) which are inclined to each other, as well as a pair of a chromatic wedge prisms in order to adapt the angle of inclination of the objectives to the parallel passage of the beam in the tube.

REFERENCES:
patent: 1501059 (1924-07-01), Metz
patent: 1790926 (1931-02-01), Konig
patent: 2406526 (1946-08-01), Bennett et al.
patent: 2639653 (1953-05-01), Fischer
patent: 3353892 (1967-11-01), Minns et al.

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