Objective

Details Objective Objective

1975-12-04

1977-01-11

Corbin, John K.

350175ML, G01B 2102, G01B 912

Patent

active

040024075

ABSTRACT:
A light-weight objective which comprises a small number of lens components, i.e., a first positive lens component, a second positive lens component and a third positive cemented lens component and can be manufactured at low cost, and wherein aberrations are favorably corrected at a wavelength of 6328 A.

REFERENCES:
patent: 2781694 (1957-02-01), Takahashi
patent: 3476462 (1969-11-01), Benford

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