Patent ID: 9389389
Filing Date: 2016-07-12
CPC Classification: G02B,H04N

Claim Text:
1. A lens apparatus comprising: a lens barrel; a movable optical member arranged in the lens barrel; and an operation ring arranged on an outer peripheral surface of the lens barrel and configured to be rotated about an optical axis to drive the movable optical member in an optical axis direction, wherein the operation ring includes a plurality of gears formed about the optical axis on the outer peripheral surface of the operating ring, wherein the plurality of gears rotate together about the optical axis when the operation ring is rotated, wherein one of the plurality of gears is configured to engage with a gear of an electric operation member that is detachably mountable to the lens apparatus and drive the operation ring, wherein another gear, among the plurality of gears, does not engage with the gear of the electric operation member, and wherein a position of the another gear and a position of the electric operation member are disposed spaced apart from each other in the optical axis direction when the electric operation member is attached to the lens apparatus.