| 摘要 |
A viewer device (G) has at least one monocular assembly ( 10 ) having a focus ring ( 12 ) that is accessible externally for adjusting optical focus of the viewer (G). A clamping assembly ( 18 ) for the viewer includes a band ( 20 ) that is controllably secured about a portion of an exterior surface ( 22 ) of the monocular ( 10 ). At least one pin body ( 24 ) extends from the band ( 20 ). The pin ( 24 ) is secured to the band ( 20 ) at a base end ( 26 ). An opposite pin end ( 28 ) extends toward and overlaps at least a portion of the focus ring ( 12 ). The focus ring ( 12 ) has at least one cooperating member ( 30 ) that is formed with an exterior surface ( 30 ) of the focus ring ( 12 ). When the band ( 20 ) is secured, the pin ( 24 ) engages the cooperating member ( 30 ) of the focus ring ( 12 ) to secure the focus ring ( 12 ) from undesired movement.
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