| 摘要 |
A reticle assembly of an aiming device is provided. The reticle assembly includes an illumination source, a first optical mask and a second optical mask. The first optical mask has a plurality of optical openings which define a reticle pattern. The first optical mask is mounted in a fixed position. The second optical mask is movably positioned relative to the first optical mask. The second optical mask has a plurality of masking portions adapted to block selected portions of the reticle pattern. The illumination source is adapted to project a plurality of output patterns which correspond to unblocked portions of the reticle pattern.
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