A high-resolution miniature visible light zoom optical system

Abstract

In order to improve the performance index of a zoom system and realize the miniaturization of the system, the invention records a high-resolution micro visible zoom optical system. The system comprises a photosensitive chip. A fixed group II stationary relative to the photosensitive chip, a compensation group capable of moving forward and backward relative to the photosensitive chip, a diaphragm stationary relative to the photosensitive chip, a zoom group capable of moving forward and backward relative to the photosensitive chip and a fixed group I stationary relative to the photosensitive chip are coaxially arranged in sequence from the photosensitive chip to the outside on one side of the photosensitive chip. In the zoom optical system, the overall focal lengths of the fixed group I, thecompensation group and the fixed group II are positive, and the overall focal length of the zoom group is negative. The high-resolution micro visible zoom optical system belongs to the technical field of optical imaging, has the characteristics of compact structure, small size, low weight and excellent imaging quality, provides a technical basis for the miniaturization of the photoelectric load of the UAV, and is widely used in the fields of police aviation, urban or water patrol, power patrol, tracking and monitoring.

Description

technical field [0001] The invention belongs to the technical field of optical imaging, and in particular relates to a high-resolution miniature visible light zoom optical system for monitoring and reconnaissance. Background technique [0002] The zoom optical system is an optical system whose focal length can be changed continuously while the image plane remains stable, and the image quality remains good during the zooming process. The zoom optical system can realize the continuous detection of distance targets, and has been widely used in many fields of national economy and defense industry. Common zoom lenses on the market generally have the problems of relatively large size, low resolution, and small field of view. Usually, some of the existing problems are solved at the expense of system resolution. Contents of the invention [0003] The purpose of the present invention is to improve the performance index of the zoom system and realize the miniaturization design of t...

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