Objective lens system

Details Objective lens system Objective lens system

1996-06-19

1998-03-17

Nelms, David C.

Optical: systems and elements

Lens

Microscope objective

359794, G02B 2102, G02B 906

Patent

active

057293902

ABSTRACT:
An objective lens system includes a positive first lens group having a positive lens element and a negative lens element, and a positive second lens group, in this order from the object side. The objective lens system satisfies the following relationships:

REFERENCES:
patent: 4134645 (1979-01-01), Sugiyama et al.
patent: 4753524 (1988-06-01), Sugiyama
patent: 5162945 (1992-11-01), Matsuo et la.

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