50mm Machine Vision Lens - China Manufacturers, Suppliers, Factory

A machine vision lens is a type of lens used in industrial machine vision systems to capture images of objects for analysis and processing. These lenses are designed to work with specific types of cameras and lighting setups to ensure high-quality image capture. Choosing the right focal length for an industrial camera lens depends on several factors, including the desired field of view, working distance, and the size of the sensor. Here are some steps you can follow to select the appropriate lens: Determine the field of view (FOV): The FOV is the amount of area that the camera can capture. It depends on the distance between the camera and the subject as well as the size of the sensor. If you know the size of the sensor and the FOV required, you can use an online FOV calculator to determine the focal length needed. Determine the working distance: The working distance is the distance between the camera lens and the subject. This will help you decide on the minimum and maximum focal lengths needed for the lens. Consider the size of the sensor: The size of the sensor in the camera determines the image circle required for the lens. Make sure the lens you choose can cover the entire sensor to avoid vignetting. Choose the appropriate focal length: Based on the above factors, you can select a lens with the appropriate focal length. A shorter focal length will give you a wider FOV but may require you to get closer to the subject, while a longer focal length will give you a narrower FOV but allow you to work from a greater distance. Consider other features: Other features to consider when choosing an industrial camera lens include the aperture, distortion, and image quality. These can affect the performance of the camera and the quality of the images captured. In summary, selecting the right lens for an industrial camera involves determining the required FOV, working distance, and sensor size, and choosing a lens with an appropriate focal length and other necessary features.

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