Optical: systems and elements – Lens – With support
Reexamination Certificate
2007-01-09
2007-01-09
Nguyen, Thong Q (Department: 2872)
Optical: systems and elements
Lens
With support
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.
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Sakurai Nobumasa
Tsukamoto Kaizo
Yamada Yukio
Bell Boyd & Lloyd LLC
Nguyen Thong Q
Sony Corporation
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