Objective lens

Optical: systems and elements – Compound lens system

Reexamination Certificate

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Details

C359S756000

Reexamination Certificate

active

07876499

ABSTRACT:
An objective lens and a method for using same. The objective lens has a first end, a second end, and a plurality of optical elements. The optical elements are positioned between the first end and the second end and are at least substantially symmetric about a plane centered between the first end and the second end.

REFERENCES:
patent: 3865471 (1975-02-01), McCrobie
patent: 4269477 (1981-05-01), Kitagawa
patent: 4690518 (1987-09-01), Kouchiwa et al.
patent: 5073018 (1991-12-01), Kino et al.
patent: 5386112 (1995-01-01), Dixon
patent: 5610719 (1997-03-01), Allen et al.
patent: 5708532 (1998-01-01), Wartmann
patent: 6185030 (2001-02-01), Overbeck

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