21D vision sensors for object recognition and inspection are advanced industrial vision systems developed by SICK AG, a leading German company specializing in sensor and automation solutions. These sensors are designed for high-precision object detection, classification, and quality inspection across industries such as manufacturing, logistics, and automotive. Key products include intelligent 2D/3D cameras, laser scanners, and AI-powered vision systems that enhance automation and efficiency in production lines. SICK AG's 21D vision sensors are widely used for tasks like barcode reading, dimensional verification, and defect detection, ensuring accuracy and reliability in industrial applications.