Optical: systems and elements – Compound lens system – With relay
Patent
1992-12-01
1994-06-07
Tudor, Harold J.
Optical: systems and elements
Compound lens system
With relay
359653, G02B 2702
Patent
active
H00013218
ABSTRACT:
Riflescope arrangement includes a tube containing an eye piece section fowed by a relay section which is followed by an objective section. The eye piece, relay and objective sections lie along and are aligned with the optical axis of the riflescope. The front optical element of the objective section is in the form of an axial gradient index element to add a degree of freedom for chromatic and other corrections, without adding an extra element or weight to the riflescope.
REFERENCES:
patent: 3612646 (1971-10-01), Walker et al.
patent: 4859040 (1989-08-01), Kitagishi et al.
Atkinson, III Leland G.
Moore Duncan T.
Nadorff George
Goldberg Edward
Lane Anthony T.
Sachs Michael
The United States of America as represented by the Secretary of
Tudor Harold J.
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