Wide-angle camera lens testing device with large field of view

By designing a testing device that includes a darkroom enclosure, an LED light source, and a multi-axis adjustable support, the problems of insufficient illumination uniformity and coverage under a large field of view were solved, enabling efficient and accurate testing of the optical performance of wide-angle lenses.

CN224385572UActive Publication Date: 2026-06-19WESPECTRA (SHANGHAI) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WESPECTRA (SHANGHAI) CO LTD
Filing Date
2025-08-20
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing technologies for testing wide-angle camera lenses with large field of view suffer from insufficient illumination uniformity and limited coverage of the planar chart, leading to inaccurate test results.

Method used

A testing device was designed, comprising a darkroom cover, an LED light source with adjustable color temperature and brightness, a multi-axis adjustable bracket for the camera under test, and an adjustable plotting card panel. The darkroom cover isolates external light, the adjustable light source provides uniform illumination, and the multi-axis bracket and adjustable plotting card panel enable comprehensive testing.

Benefits of technology

It achieves good illumination uniformity under a large field of view, enabling comprehensive and accurate testing of the optical performance of wide-angle lenses, and significantly improving testing efficiency and result accuracy.

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Abstract

This utility model discloses a testing device for wide-angle camera lenses with a large field of view, relating to the field of performance testing of wide-angle camera lenses. It includes a darkroom outer casing, an LED light source with adjustable color temperature and brightness, a multi-axis adjustable bracket for the camera under test, a test chart, and an angle-position adjustable chart panel. The darkroom outer casing houses the LED light source and controller with adjustable color temperature and brightness, and the multi-axis adjustable bracket for the camera under test. The test chart is located on the inner right wall of the darkroom outer casing, and the angle-position adjustable chart panel is located at the rear of the inner wall of the outer casing. This utility model, by optimizing the testing environment and structure, achieves comprehensive and accurate testing of the optical performance of wide-angle lenses.
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