SLB-15B-40PIR1 15.0 mm Dia. x 40.6 mm FL; Coated; Double-Convex Lens 633-1064nm

The SLB-15B-40PIR1 is a high-quality lens from OptoSigma, designed for use in the 633-1064nm wavelength range. This lens is a Spherical Lens (Convex-Convex) type, featuring a base shape of Circular for versatile application.

The lens has a diameter of 15.0 mm and a thickness edge of 2.0 mm, ensuring durability and stability. The thickness center measures 3.4 mm, providing a balanced structure for optimal performance. The effective focal length (EFL) is 40.6 mm, making it suitable for a wide range of optical systems.

The first radius of curvature (R1) is 41.52 mm, while the second radius (R2) is -41.52 mm, indicating a double-convex lens design. The back focal length (BFL) is 39.4 mm, which is crucial for determining the position of the lens in an optical system. The inner and outer radii are 0 mm, indicating a uniform curvature.

The lens is made of n-bk7 schott material, a popular choice for its excellent optical properties. It features a coating of opt ir1 on both the front and back surfaces, enhancing its performance in the specified wavelength range.