A compact switchable three-field-of-view mid-wave infrared optical system
An infrared optical system and switching technology, which is applied in the field of compact switching three-field-of-view medium-wave infrared optical systems, can solve the problems of increasing the complexity of the system, the difficulty of assembling and adjusting, and the axial dimension of the optical system being too long, so as to shorten the length of the optical system. Axial length dimension, compact structure, the effect of reducing the diameter
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[0031] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0032] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
[0033] The structural schematic diagrams of the optical system of the present invention under the working conditions of large, medium and small fields of view are respectively as follows figure 2 , image 3 , Figure 4 As shown, the present invention adopts the large, medium and small three field of view switching schematic diagrams as figure 1 shown.
[0034] From the object side to the image side, there a...
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