OP-4LN2-0492

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Optics - Lenses

The OP-4LN2-0492, referred to as the F-Theta Lens, is a specialized optical lens specifically designed and manufactured for use in a laser scanning application. This lens is composed of a combination of four lenses (four lenses in two groups - referred to as 4LN2) for rapid laser beam scanning. The F-Theta Lens provides a continuously corrected laser beam profile over the entire working range for maximum image quality at all distances.

One of the major advantages of the F-Theta Lens is its wide application range. It can be used in a variety of laser marking, cutting, welding, and engraving applications. It can also be used for optical systems such as CCTV and security, barcode scanners, laser rangefinders, and more. The lens is also ideal for applications where scanning speed is a priority, such as for scanning barcodes.

Another feature of the F-Theta Lens is its excellent imaging quality. It provides excellent beam quality and uniformity over the full scan angle range. The lens also offers a wide a field-of-view. The lens also features a fast f-number and high optical transmission.

The F-Theta Lens is also characterized by its ease of use. It is typically used with a calibrated optical system, such as with a mark projector or laser diode. It is also used with a galvanometer-based laser scanning system, which provides a combination of speed and accuracy. The lens is designed to be installed on the laser scanning system with a dedicated mounting bracket.

The F-Theta Lens is based on the principle of refraction, which is the change in direction of light when it passes through a medium. When light goes through a lens, it is refracted in a curved path and thus it forms an image of the object. The F-Theta Lens has four lenses in two groups that refract the laser beam in a circular path. This provides a continuous and almost flat laser beam profile over the entire working range.

The F-Theta Lens also offers a number of other performance benefits. It has a low chromatic aberration, which means that the colors of the laser beam remain constant over the entire scan range. The lens also has low beam distortion for greater image quality. In addition, it has a high precision, which ensures that image shapes are always intact and accurate.

Overall, the F-Theta Lens is an ideal solution for laser scanning applications. It offers a wide range of applications, excellent beam quality and uniformity, and a fast f-number and high optical transmission. It is also easy to install and use in laser scanning systems with a dedicated mounting bracket.

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