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Optical lens for adjusting compensation back focal length through combination of horizontal and vertical light paths

An optical lens and post-compensation technology, applied in the field of optical lenses, can solve problems such as unsolvable and unsatisfactory confocal problems, and achieve the effects of simple structure, reduced difficulty, and improved imaging quality

Inactive Publication Date: 2017-02-22
UNION OPTECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the confocal problem from the two optical paths to the imaging surface cannot be solved and satisfied

Method used

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  • Optical lens for adjusting compensation back focal length through combination of horizontal and vertical light paths
  • Optical lens for adjusting compensation back focal length through combination of horizontal and vertical light paths
  • Optical lens for adjusting compensation back focal length through combination of horizontal and vertical light paths

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Embodiment Construction

[0025] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0026] Such as figure 1 with Figure 5 As shown, an optical lens for adjusting and compensating the back focus by combining horizontal and vertical optical paths includes a lens barrel 1, which is provided with multiple groups of lens groups. There is a beam-splitting prism that divides the beam into horizontal beams and vertical beams. The beam-splitting prism feeds back light of different spectra to different directions, so that it is divided into horizontal beams and vertical beams. The horizontal beam is the beam parallel to the axis of the lens barrel 1, and the vertical A beam of light refers to a beam of light perpendicular to a horizontal beam. The lens base 2 is slidably provided with a horizontal filter group 3 composed of a plurality of horizontal filters 30 with at least two thicknesses and can drive the horizontal filter group 3 t...

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Abstract

The invention relates to an optical lens for adjusting the compensation back focal length through the combination of horizontal and vertical light paths. The optical lens comprises a lens cone. A lens base is arranged on the lens cone. A beam splitter prism for splitting light beams into horizontal light beams and vertical light beams is arranged inside the lens base. The optical lens is technically characterized in that a horizontal light filter set and a horizontal driving mechanism are arranged on the lens base in a slidable mode, the horizontal light filter set is composed of a plurality of horizontal light filters of at least two thicknesses, and when the horizontal driving mechanism drives the horizontal light filter set to move by a displacement, the horizontal light beams correspondingly penetrate through one horizontal light filter; a vertical light filter set and a vertical driving mechanism are arranged on the lens base in a slidable mode, the vertical light filter set is composed of a plurality of vertical light filters of at least two thicknesses, and when the vertical driving mechanism drives the vertical light filter set to move by a displacement, the vertical light beams correspondingly penetrate through one vertical light filter. The optical lens is simple in structure and can adjust the compensation back focal length through the combination.

Description

[0001] 【Technical field】 [0002] The invention relates to an optical lens, in particular to an optical lens capable of adjusting and compensating back focus by combining horizontal and vertical optical paths. [0003] 【Background technique】 [0004] Each group is one of the elements that make up the zoom lens, and the working environment of the lens has the characteristics of diversification and instability; therefore, the lens has the requirement of day and night aperture switching, and the independent horizontal optical path in the existing market has been realized. ) The switching of individual horizontal optical paths is very mature, and the requirements for simultaneous imaging of mutually perpendicular optical paths can be met. Multiple chips can be assembled on the same security lens to achieve simultaneous imaging of mutually perpendicular optical paths; parallel light enters the optical system of the lens , before entering the imaging surface, use a dichroic prism to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/00G02B7/00G02B7/02
CPCG02B13/0055G02B7/006G02B7/023
Inventor 李昆冯建昭黄瑞雪吴景忠朱景才康辉玉宋利华邱盛平
Owner UNION OPTECH
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