The 69-487 is a Plano-Convex Spherical Lens, a high-quality optical component designed for use in a wide range of applications. This lens, sourced from the renowned vendor Edmund Optics, boasts a diameter of 12.0mm and a focal length of 15.0mm, making it a versatile choice for many optical systems.
The lens is crafted from n-BK7 Schott, a popular optical glass known for its excellent optical properties and high homogeneity. This material ensures high transmittance and low dispersion, making it ideal for use in laser applications.
The 69-487 features a Plano-Convex geometry, with a flat front surface and a curved back surface. This design allows for efficient light collection and focusing, making it suitable for use as a focusing or collimating element. The lens has a thickness of 1.66mm at the edge and 4.5mm at the center, providing a robust and durable structure.
The lens is coated with Edmund Optics' Laser V-Coat 785, a broadband anti-reflection coating specifically designed for use at a wavelength of 785nm. This coating reduces surface reflections, enhancing the lens's transmission and improving overall system performance.