| 摘要 |
Provided is an open sight addition for a telescopic gun sight of a type having a front bell which includes a cylindrical forward portion and a frustoconical rearward portion. A sight bead is mounted on an upper central portion of the cylindrical forward portion of the bell. The sight beat projects vertically upwardly from the bell. An elongated sight line is formed on an upper central portion of the frustoconical rearward portion of the bell, rearwardly of and in axial alignment with the sight beam on the forward cylindrical portion of the bell. The sight bead and the sight line together form a sight plane.
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