| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a sighting system for surveying instrument use which is high-precision and allows easy sighting even by its small size. Ž<P>SOLUTION: The sighting system for surveying instrument use (30) includes an optical sighting device (8) and a rear sight (34) arranged on an optical axis (20) at the rear of the optical sighting device. The rear sight is provided at the rear end of a body tube protruding part (32) protrudingly provided backward from the optical sighting device. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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