一种前置长入瞳距可见光近红外连续变焦光学系统构型
By designing a visible light and near-infrared continuous zoom optical system with a long entrance pupil distance and adopting a positive group zoom-positive group compensation method, the problem of inconsistent entrance pupil position was solved, achieving matching with the reflective telescope optical system and high-definition imaging.
CN117270177BActive Publication Date: 2026-07-17LUOYANG INST OF ELECTRO OPTICAL EQUIP OF AVIC
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- LUOYANG INST OF ELECTRO OPTICAL EQUIP OF AVIC
- Filing Date
- 2023-09-22
- Publication Date
- 2026-07-17
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Figure CN117270177B_ABST
Abstract
本发明提供了一种前置长入瞳距可见光近红外连续变焦光学系统构型，本发明涉及光电技术领域。从物侧到像侧依次共轴设置的光焦度为正的前固定组、光焦度为正的变倍组、光焦度为正的补偿组、光焦度为正的后固定组以及CCD或CMOS的像面。本发明采用光焦度为正的前固定组、光焦度为正的变倍组、光焦度为正的补偿组与光焦度为正的后固定组构成连续变焦光路，采用正组变倍‑‑正组补偿的方式实现连续变焦。
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