| 摘要 |
Optical sight comprising an elongate housing defining a light channel, a len s at one end of the light channel, having a partially reflecting surface, a light source, and a battery powered energising circuit for energising said light source by a pulsating electric current. The energised light source emi ts light towards said reflecting surface to produce a light spot by direct imaging of the said light source on said surface to be superimposed on the target when sighting through the light channel from the other end thereof. According to the invention the light source comprises a laser diode.
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