The 45-121 is a Plano-Convex Lens with a 9.0mm diameter and a focal length of 36.0mm, sourced from the renowned optical components vendor, Edmund Optics. This lens is uncoated, offering a high-quality, cost-effective solution for various applications.
The lens's geometry includes a thickness edge of 1.75mm and a thickness center of 2.3mm, with an effective focal length (EFL) of 36.0mm. The radius of curvature (R1) is 18.61mm, and the back focal length (BFL) is 34.48mm. The lens's base shape is circular, ensuring excellent light transmission and minimal distortion.
The lens is made of N-BK7 Schott glass, a popular material in the optical industry due to its excellent optical properties and versatility. The material's Abbe number is 64.17 at the wavelength of 587.6nm, ensuring high dispersion and superior image quality.
The lens's coating is left unspecified, indicating that it is likely uncoated. This can be beneficial in applications where anti-reflective coatings are not required, reducing the overall cost and complexity of the optical system.