40x Microscope objective

Details 40x Microscope objective 40x Microscope objective

1980-04-28

1983-04-12

Corbin, John K.

G02B 960, G02B 2102

Patent

active

043796230

ABSTRACT:
A five-component 40x microscope objective having a plano-convex positive doublet as the third element providing sufficient color correction to permit classification as a semi-apochromatic objective is disclosed.

REFERENCES:
patent: 3450463 (1969-06-01), Yasuda
patent: 3552831 (1971-01-01), Shoemaker
patent: 3623792 (1971-11-01), Uetaki
patent: 3879111 (1975-04-01), Goto

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