| 摘要 |
A support frame for attachment to the lower portion of the chest, for supporting a viewing device such as a camera or pair of binoculars, and having adjustable means for locating the viewing device in a convenient viewing position, the support frame including a generally rectangular body plate which is vertically disposed with its rearward side surface being slightly concave in the horizontal plane, a support arm attached to the lower front central portion of the body plate and extending horizontally forwardly from the body plate, a vertically disposed collapsible post for supporting the viewing device at its upper end with the lower end of the post being attached to the support arm, the post being generally parallel to the body plate and being adjustable both as to its vertical height and as to its horizontal separation from the body plate, and at least one strap for supporting the frame from the person of the viewer.
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