High-vibration-resistant optical lens with use requirement
The utility model relates to an optical lens capable of resisting high vibration using requirements, which is characterized in that a front lens group C is arranged in a front group cylinder part A, and the front lens group C is composed of a first gluing group which is formed by closely connecting...
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Main Authors | , , |
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Format | Patent |
Language | Chinese English |
Published |
22.07.2022
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model relates to an optical lens capable of resisting high vibration using requirements, which is characterized in that a front lens group C is arranged in a front group cylinder part A, and the front lens group C is composed of a first gluing group which is formed by closely connecting a biconvex lens C1, a negative crescent lens C2, a positive crescent lens C3, a biconvex lens C4 and a biconcave lens C5 from left to right along the light incidence direction; the focusing part B is internally provided with a focusing lens group D, and the focusing lens group D is composed of a second gluing group which is formed by tightly connecting a biconvex lens D1 and a biconcave lens D2 from left to right along the light incidence direction; the left end side of the biconvex lens C1 is provided with an R-angle pressing ring A2, a double-sided right-angle space ring A3 is arranged between the biconvex lens C1 and the negative meniscus lens C2, an R-angle pressing ring A4 is arranged between the negative meni |
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Bibliography: | Application Number: CN202123278476U |