| 摘要 |
A lens accessory mounting device for mounting a lens accessory to a front end of a lens barrel, an outer diameter of the lens accessory being substantially the same as an outer diameter of the front end of the lens barrel, the lens accessory mounting device includes at least one inward bayonet lug which projects radially inwards from an inner peripheral surface of a front end of the lens barrel; and at least one outward bayonet lug which projects radially outwards from the lens accessory to be engageable with the two inward bayonet lugs, respectively. The outward bayonet lug is firstly inserted into the front end of the lens barrel and subsequently brought into engagement with the inward bayonet lug, respectively, when the lens accessory is mounted to the lens barrel.
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