The 69-497 is a Plano-Convex spherical lens, characterized by its circular base shape and a diameter of 25.0mm. This lens is designed with a long focal length of 40.0mm, making it suitable for a variety of applications that require precise focusing. The lens is fabricated from the high-quality material n-BK7 Schott, ensuring excellent optical performance.
The lens features a significant thickness variation, with a minimum thickness of 1.39mm at the edge and a maximum thickness of 5.6mm at the center. This variation in thickness contributes to the lens's ability to manipulate light effectively. The lens's effective focal length (EFL) is 40.0mm, and the radius of curvature (R1) is 20.67mm, further enhancing its optical capabilities.
The 69-497 lens is equipped with a front and back coating of EDM Las V-Coat 785, specifically designed for laser applications at a wavelength of 785nm. This coating ensures high transmission and low reflection, making it ideal for use in laser systems.
The lens is sourced from the reputable vendor Edmund Optics, and the provided web link indicates that it is currently in stock. This information, along with the detailed specifications, should assist users in making informed decisions when selecting optical components for their specific needs.