| 摘要 |
<p>A sight means, particularly for weapons and other objects which are intended to be sighted onto a given point, comprises two mutually spaced and two mutually parallel grid discs (3,4) each of which includes a transparent disc provided with concentrically lying opaque grid lines separated by transparent interspaces, and which grid discs (3,4) are arranged in a tubular housing (2). In accordance with the invention a central region (7,8) is devoid of opaque lines in the centre of the discs (3,4), this region having a size of approximately 1/5 to 1/2 of the disc diameter, or a corres. ponding measurement, the target being intended to be viewed through the aforesaid regions.</p><p>In accordance with one embodiment one (3;4) of the grid discs has solely one more opaque line than the other (4;3) of the grid disc in the region provided with grid lines.</p> |
