Objective lens for microscope

Details Objective lens for microscope Objective lens for microscope

1981-03-27

1983-09-13

Corbin, John K.

G02B 2102

Patent

active

044038356

ABSTRACT:
An objective lens for microscope includes, in succession from the object side, a first lens group having a cemented meniscus lens component having its concave surface facing the object side, a second lens group having a positive lens component movable in the direction of the optical axis, and a third lens group having a positive refractive power. Thus, by moving the second lens group a predetermined amount along the optical axis in accordance with the thickness of a parallel planar member disposed between the object surface and the objective lens, aberrations varied by the parallel planar member are corrected.

REFERENCES:
patent: 2533371 (1950-12-01), Heine
patent: 4059342 (1977-11-01), Tojyo

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