Importance

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Abstract

The compact image pickup module includes an imaging lens, a lens-barrel holding the imaging lens, an image pickup element, an image pickup element holder holding the pickup element and into which the barrel is fitted so as to be rotatable about an optical axis of the imaging lens and movable in a direction of the optical axis, a cylindrical cam having as an upper or a lower surface thereof, an annular cam surface whose center is set at the optical axis and being formed in one of the barrel and the element holder and an abutment member being abutted against the cam surface under a state where the barrel is fitted into the element holder and formed in the other. After focusing is performed through relative rotation of the barrel and the element holder, the barrel and the element holder are fixed to each other. The lens unit includes the barrel and the imaging lens having multiple lenses held by the barrel.

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First Claim