| 摘要 |
In the case of conventional diopters (peep sight), the wind vanes for identifying the wind direction and intensity cannot be identified in the stop. In order to overcome this disadvantage, in the case of a diopter or sporting rifles, which is formed from a diopter aperture (shutter) which is accommodated in an adjusting mechanism on the barrel of the rifle, the invention proposes that the diopter aperture be arranged in the centre of a transparent disk. <IMAGE>
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