ANB847L

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Machine vision is a type of automated imaging process used to guide and inspect products or items. The end goal is to take pictures of an object and make decisions based on the results. To achieve this, machine vision is often complemented with distinct components such as lights, lenses, cameras and frame grabbers. The ANB847L is an example of an industrial lens, and its application fields and working principles will facilitate in understanding how machine vision lenses are applied in the industry and how they through a series of procedures ultimately detect and guide a system.

The ANB847L 6-60 mm manual industrial lens is a popular lens in industrial machine vision applications. It provides resolution capable of measurements to less than 1 μm, has image circle size of 2/3” and a field of view of approximately 90°with much higher accuracy, even in the edges. It can be used for applications such as robotic vision and automated focusing; automated wafer inspection and similar quality control applications.

The ANB847L operates on the wide area through-the-lens (WER) phase detection autofocus system. With this system, a near-infrared light source is positioned at the front of the lens, usually from a source such as a laser or LED, which is used to enhance the camera’s detection of motion and shapes. This infrared light source is then combined with the image produced by the lens so that the camera can track the movement of objects in the image. A tracking system is used to ensure the camera maintains focus on moving objects, and is programmed to adjust the lens in real-time in order to maintain autofocus on the object being tracked.

The lens itself has a wide 5 mm linear adjuster, that allows for accurate and precise focus adjustments, determining the resolution of the images and making it suitable for applications including distance measurements. The linear adjuster is actuated by a controller that gives a fast and accurate steering response, and provides wide range adjustability, making it suitable for rapid autofocus changes of any heavy payloads.

In conclusion, the ANB847L 6-60 mm manual industrial lens is suitable for a wide range of applications, from wafer inspection and robot vision to automated focusing and similar quality control system. Its wide area through-the-lens (WER) phase detection autofocus system ensures that the camera can maintain focus and track the movement of objects, while its wide 5 mm linear adjuster allows for precise focus adjustments.

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