| 摘要 |
PROBLEM TO BE SOLVED: To provide an inexpensive finder where an optical image frame is displayed in the field of the finder. SOLUTION: The finder is equipped with a total reflection means consisting of chamfer parts 3-1-1, 3-1-2, 3-2-1 and 3-2-2 having simple shape on the edge (side surface) of an element member 3 constituting an eyepiece part, and/or a total reflection means consisting of total reflection surfaces 2-1, 2-3 and 2-4 causing total reflection three times on an element member 2 constituting an objective part. COPYRIGHT: (C)2004,JPO&NCIPI
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