10.times. Microscope objective

Details 10.times. Microscope objective 10.times. Microscope objective

1980-04-28

1982-04-27

Corbin, John K.

G02B 2102, G02B 934

Patent

active

043267793

ABSTRACT:
A four component 10.times. microscope objective having a concavo-convex negative triplet as the third element providing sufficient color correction to permit classification as a semi-apochromatic objective is disclosed.

REFERENCES:
patent: 3476462 (1969-11-01), Banford
patent: 3711186 (1973-01-01), O'Connor
patent: 3756698 (1973-09-01), Nakagawa
patent: 3883231 (1975-05-01), Koizumi
Anzai, S.; "Micro-Optics for the 80's Chromatic Aberration Free Designs"; Functional Photography; vol. 15, No. 1; Jan. 1980; pp. 26-33.

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