| 摘要 |
<p>The invention relates to optical instrumentation, more specifically to optical sights used in the firing of small arms. The technical result achieved through the realization of the different embodiments of the sight is a more accurate aim at indistinct targets at dusk and in overcast conditions. This result is achieved in that in the sight, which comprises the following, arranged consecutively: an objective, a reticle, an erector assembly consisting of a first and a second positive component, each of which is comprised of two cemented lenses, and an eyepiece, as well as a beam splitter cube, the beam splitting surface of which is in the form of a diagonal plane, three mirrors and a third positive component comprised of two cemented lenses, wherein the first flat mirror, which is parallel to the beam splitting surface of the cube, is situated on the same axis as the third positive component, the second flat mirror is perpendicular to the first mirror in front of the focal plane of the eyepiece, and the third mirror, which is inclined to the optical axis and has its reflecting surface oriented towards the eyepiece, is situated between the focal plane of the eyepiece and the second component of the erector assembly; the cube is situated in front of the erector assembly, the front face of the cube, to which a first reticle is applied, is situated in the focal plane of the objective, and a fourth positive component is situated on the axis between the first and second mirrors. Furthermore, according to a first embodiment of the optical sight, the third positive component is adhered to the upper face of the cube and a second, illuminated reticle is adhered to the lower face of the cube such as to be optically conjugated with the first reticle; according to a second embodiment of the optical sight, the third positive component is adhered to the lower face of the cube, and a second, illuminated reticle is adhered to the upper face of the cube such as to be optically conjugated with the first reticle.</p> |
