3Z4S-LE SV-EXR20

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Machine vision lenses play an important role in industrial vision applications. They are the critical link between an image sensor and the environment being monitored. As such, it is important to choose a lens that is well suited for the application. The 3Z4S-LE SV-EXR20, by Datalogic, is optimized for applications requiring a minimum of distortion, such as laser triangulation applications.

The 3Z4S-LE SV-EXR20 is a long-range 24mm Manual Iris Fixed Focal (MIF) lens, with an open-aperture that is optimized to minimize distortion. This lens has been designed with a minimum object distance of 0.4 meters and is ideal for applications up to 25 meters. It is equipped with an adjustable ring for focusing and 4-axis image shift, allowing for optimization of the image size and field of view.

The 3Z4S-LE SV-EXR20 can be used for applications in industries such as logistics, manufacturing, and automotive, among others. A few examples include the recognition of small objects or small characters at a distance and the detection of defects with laser triangulation. The lens features high resolution and low distortion for accurate measurement, ensuring optimal quality inspection. It provides superior imaging performance with exceptional linearity and sharpness in all types of lighting environments.

The working principle of the 3Z4S-LE SV-EXR20 relies on the arrangement of the optical elements within the lens. Its optical elements consist of two lenses and a stop, or aperture, which limit the amount of light that enters the lens. The two lenses are mounted in front of the image plane, and the stop is placed between them, inversely in line with the light rays. As light travels through the lenses, the image is projected onto the image plane. The ratio of the stop size to the lens diameters determines the amount of light admitted, thus setting the amount of exposure time and depth of field.

The 3Z4S-LE SV-EXR20 is well suited for applications requiring a minimum of distortion and excellent image clarity. It has an exceptionally sharp image quality, providing superior imaging performance in a wide variety of lighting environments. Its 4-axis image shift and adjustable focusing minimizes distortion and ensures optimal image integrity. Furthermore, its wide field of view enables it to capture images of multiple objects at a distance, making it ideal for applications that require high accuracy and long-range performance.

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