Objective lens system for microscopes

Details Objective lens system for microscopes Objective lens system for microscopes

1979-12-07

1981-07-21

Corbin, John K.

350469, G02B 934, G02B 2102

Patent

active

042794773

ABSTRACT:
An objective lens system for microscopes comprising a front lens group consisting of a first positive meniscus lens component and a second positive cemented doublet component, and a rear lens group consisting of a third lens component having positive refractive power and a fourth lens component having positive refractive power, said objective lens system having a sufficiently large NA and being made of a glass material showing high transmittance for rays at short wavelengths.

REFERENCES:
patent: 4174151 (1979-11-01), Yonekubo

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