The 84-384 is a 3mm diameter Plano-Concave Lens, boasting a -9 FL (focal length) and a Schott n-sf11 material ID. This lens is sourced from Edmund Optics, a renowned vendor in the optical industry. The lens is designed for use within the wavelength range of 600-1050nm, making it suitable for near-infrared applications.
The lens features a spherical shape, with a base shape of circular for versatile application. The geometry of the lens includes a diameter of 3mm, a thickness edge of 1.11mm, and a thickness center of 1mm. The lens's EFL (Effective Focal Length) is -9, and the BFL (Back Focal Length) is -9.56. The inner and outer radii are both 0, indicating a uniform curvature.
The lens is coated with Edmund Optics' NIR-I standard curve on both the front and back surfaces. This coating enhances the lens's performance within the near-infrared spectrum, ensuring optimal light transmission and reducing unwanted reflections.