【Standard 11-Step Grayscale Chart】Complies with ISO 14524 international standards, providing high-precision grayscale calibration suitable for camera performance testing and color correction 【Reflective High-Definition Chart】Featuring a reflective design, it ensures accurate measurement of camera sensitivity, minimum illumination, and gamma characteristics under standard lighting conditions 【Precision Control】Supports multi-level grayscale quantization and optical density calibration. Some devices integrate temperature and humidity monitoring for improved environmental adaptability 【Color Calibration】Grayscale charts are used for color management to ensure image color consistency 【Multi-Scenario Applicability】Widely used in industrial inspection, imaging, and photography calibration, ensuring color consistency and output linearity