Optical apparatus
AssigneeOlympus Optical Co., Ltd.
InventorTatsuji Higuchi
Life of this patent
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Abstract
An optical apparatus according to the present invention includes a cylindrical holding barrel, a lens moving mechanism including a cylindrical cam which is rotatably fitted on an outer surface of the holding barrel in such a manner that a plurality of moving lens frames held in the holding barrel are moved in an optical axis direction, a light quantity adjusting mechanism held in the holding barrel, for adjusting a quantity of light passing therethrough, lens moving mechanism driving sources for driving the lens moving mechanism, and light quantity adjusting mechanism driving sources for driving the light quantity adjusting mechanism. The lens moving mechanism driving sources and the light quantity adjusting mechanism driving sources are held in the holding barrel.
Claims5
An optical apparatus comprising:
- a cylindrical holding barrel;
- a lens moving mechanism including a cylindrical cam which is rotatably fitted on an outer surface of the holding barrel in such a manner that a plurality of moving lens frames held in the holding barrel are moved in an optical axis direction;
- a light quantity adjusting mechanism held in the holding barrel, for adjusting a quantity of light passing therethrough;
- lens moving mechanism driving sources for driving the lens moving mechanism;
- and
- light quantity adjusting mechanism driving sources for driving the light quantity adjusting mechanism,
- wherein the lens moving mechanism driving sources and the light quantity adjusting mechanism driving sources are held in the holding barrel.
An optical apparatus comprising:
- a cylindrical holding barrel;
- a lens moving mechanism including a cylindrical cam which is rotatably fitted on an outer surface of the holding barrel in such a manner that a plurality of moving lens frames held in the holding barrel are moved in an optical axis direction;
- a light quantity adjusting mechanism held in the holding barrel, for adjusting a quantity of light passing therethrough;
- lens moving mechanism driving sources for driving the lens moving mechanism;
- light quantity adjusting mechanism driving sources for driving the light quantity adjusting mechanism;
- and
- a flexible printed board for connecting electrical components of the lens moving mechanism driving sources and the light quantity adjusting mechanism driving sources and electric circuits provided outside the holding barrel,
- wherein the lens moving mechanism driving sources, the light quantity adjusting mechanism driving sources, and the flexible printed board are held in the holding barrel.
Dependencies are inferred from the claim text.