| 摘要 |
A telescopic sight which can be used for either nighttime or daytime operation and is particularly adaptable for use on weapons ranging from rifles to anti-tank weapons. A first embodiment includes a single objective and two parallel light paths, one for day viewing and one for night viewing. The objective forms the beginning of the night path. Separating mirrors transmit light from the objective along the night path and reflects light from the objective to the day path. The night path includes an image intensifier assembly. A mirror at the end of the night path reflects the light from the image intensifier assembly to a beamsplitter/combiner on the day path. The beamsplitter/combiner transmits the light from the day path and reflects the light from the night path along the same path to an ocular assembly for viewing. A second embodiment of the telescopic sight is similar to the first embodiment but contains two objective lens assemblies for collecting light, one for the night path and one for the day path. Because the sight has two separate objective lens assemblies, separating mirrors are not included. A third embodiment includes a projected aiming reticle and a direct view capability for day viewing which replaces one of the objective lens assemblies. The direct view channel includes a beamsplitter/combiner.
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