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Lens apparatus and imaging apparatus

Image Number 7 for United States Patent #7957073.

A lens apparatus includes a first lens unit and a second lens unit each of which is configured to move in an optical axis direction, a first cam tube that includes a first cam part and a second cam part respectively on an outer circumferential surface and an inner circumferential surface and moves the first and second lens units respectively in the optical axis direction using the first and second cam parts as the first cam tube rotates around an optical axis, and a linearly moving guide tube that is arranged on an inner circumferential side of the first cam tube and configured to guide the first and second lens units in the optical axis direction.

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