The 68-003 is a Plano-Concave Spherical Lens, a high-quality optical component designed for use in the near-infrared spectrum. This lens, sourced from the renowned optical vendor Edmund Optics, boasts a diameter of 50mm and a focal length of -100mm, making it suitable for a wide range of applications.
The lens is constructed from N-BK7 Schott glass, a material known for its excellent optical properties and versatility. This is further enhanced by the lens's geometry, which includes a thickness of 11.23mm at the edge and 5mm at the center, contributing to its overall performance.
The 68-003 is coated with Edmund Optics' NIR-II standard curve on both the front and back surfaces. This coating is specifically designed to optimize the lens's performance in the near-infrared spectrum, between 750nm and 1550nm, making it an ideal choice for applications in this range.