Image pickup apparatus

Optical: systems and elements – Lens – With support

Reexamination Certificate

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Details

C359S511000, C359S611000, C359S738000, C396S448000, C396S534000

Reexamination Certificate

active

10535313

ABSTRACT:
An image pickup apparatus is provided. The image pickup apparatus permitting a conversion lens to be mounted and dismounted, wherein a lens hood is composed of a base portion on the mounting side and a tubular portion on the front side, the base portion and the tubular portion are detachably coupled to each other, and another lens is contained in the inside of the lens hood when the another lens is mounted on the front side of an optical system, whereby even when the conversion lens is being used, the lens hood can be used as it is, and the incident light contracting function of the lens hood can be maintained.

REFERENCES:
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patent: 2707418 (1955-05-01), Magnuson
patent: 3614196 (1971-10-01), Schlapp
patent: 3828991 (1974-08-01), Moore
patent: 4381885 (1983-05-01), Coquin et al.
patent: 4416528 (1983-11-01), Breslau et al.
patent: 4526440 (1985-07-01), Lundberg et al.
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patent: 5294954 (1994-03-01), Nomura et al.
patent: 6243540 (2001-06-01), Kume et al.
patent: 6269227 (2001-07-01), Hamasaki et al.
patent: 6-51386 (1994-02-01), None
patent: 11-236909 (1999-08-01), None
patent: 2000-180918 (2000-06-01), None
English translation of the Japanese reference No. 6-51386.
English translation of the Japanese reference No. 2000-180918.
English translation of the Japanese reference No. 11-236909.
English Abstract of Japanese reference No. 06-018960.
English Abstract of Japanese reference No. 06-051386.
English Abstract of Japanese reference No. 09-018757.
English Abstract of Japanese reference No. 09-236849.
English Abstract of Japanese reference No. 2001-013545.
“Cokin-Handbuch 106 Seiten, 454 Beispiele,” front and rear covers, inside cover, pp. 1, 3, 84 and 104, Feb. 1991, Cokin Cromofilter S.A., XP002378735.

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