69-413 50.0mm Dia. x 250.0mm FL; Plano-Convex Lens Laser V-Coat 532nm

The 69-413 is a Plano-Convex spherical lens, characterized by its circular base shape and a diameter of 50.0mm. This lens boasts a long focal length of 250.0mm, making it suitable for applications requiring a high degree of magnification or precision. The lens is fabricated from the high-quality material n-BK7 Schott, a borosilicate crown glass known for its excellent optical properties, including low dispersion and high homogeneity.

The lens features a V-coat 532nm coating on both the front and back surfaces, enhancing its performance in laser applications at a wavelength of 532nm. This coating is specifically designed to reduce reflection and increase transmission, thereby improving the efficiency and quality of the laser system.

The geometry of the lens is meticulously designed, with a thickness of 2.5mm at the edge and 4.94mm at the center. The lens's effective focal length (EFL) is 250.0mm, and its radius of curvature (R1) is 129.21mm. The back focal length (BFL) is 246.74mm, and both the inner and outer radii are 0mm, indicating a flat back surface.

This lens is available from Edmund Optics and is currently in stock, making it an accessible choice for those in need of a high-quality, reliable optical component.