| 摘要 |
A sturdy, reusable and collapsible viewing instrument for assisting in viewing distant objects that is assembled from a blank. The blank comprises two pivoting frames in which ocular and objective lenses are affixed. Domains of the blank are foldable along pre-etched fold lines to form parallel sides of the viewing instrument. Ideally, the blank dimensions approximate those of a standard credit card so that the viewing instrument may be stored in one's wallet or purse.
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