Lens apparatus
AssigneeCanon Kabushiki Kaisha
InventorGou Shibasaki
Life of this patent
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Abstract
Provided is a lens apparatus capable of attaching an optical accessory on an object side thereof, in which: a lens protection lens barrel at an object-side end of the lens apparatus is retracted in an optical axis direction in response to attachment of an optical accessory support lens barrel supporting the optical accessory without changing placement of an optical system of the lens apparatus; and the lens protection lens barrel retracted in the optical axis direction is returned to a position before the attachment of the optical accessory support lens barrel by detaching the optical accessory support lens barrel from the lens apparatus.
Claims11
A lens apparatus capable of attaching an optical accessory on an object side thereof, comprising a lens protector, wherein:
- the lens protector at an object-side end of the lens apparatus is retracted in an optical axis direction in response to attachment of an optical accessory supporter supporting the optical accessory without changing placement of an optical system of the lens apparatus;
- and
- the lens protector retracted in the optical axis direction is returned to a position before the attachment of the optical accessory supporter by detaching the optical accessory supporter from the lens apparatus.
Dependencies are inferred from the claim text.