Objective lens system for microscopes

Details Objective lens system for microscopes Objective lens system for microscopes

1984-11-05

1986-11-25

Corbin, John K.

350465, G02B 2102, G02B 960

Patent

active

046245359

ABSTRACT:
An objective lens system for microscopes having a long working distance and aberrations favorably corrected to peripheral portion of visual field comprising a first meniscus lens component, a second positive lens component, a third cemented doublet consisting of a positive lens element and a nagative lens element, a fourth positive lens component and a fifth meniscus lens component.

REFERENCES:
patent: 3879111 (1975-04-01), Goto
patent: 4184747 (1980-01-01), Vetake
patent: 4403835 (1983-09-01), Ushida
patent: 4417787 (1983-11-01), Danner
patent: 4505553 (1985-03-01), Asuma

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