| 摘要 |
A device for determining lead values, appears with the lead directions being represented as apparent flight directions, in the viewing field of a telescope or reflex sight, in the form of radial line markings. The radial line markings are associated with at least one lead curve which is movable relative to the line markings and is driven only as a function of the elevation aiming movement of the weapon. Two lead curves are provided, each assigned to a respective different target speed. The lead curve assigned to the faster target speed is driven in accordance with the sine function of the elevation angle of the weapon, and the lead curve assigned to the slower target speed is driven in accordance with the cosine function of the elevation angle of the weapon. The radial line markings present lead markings formed by interruptions therein as well as by their inner ends adjacent the cross hairs of the viewing field.
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