The SLB-25B-150PIR1 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 25.0 mm, with a thickness at the edge of 2.0 mm and a center thickness of 3.0 mm. The Effective Focal Length (EFL) is 150.5 mm, providing a substantial focal length for various optical applications. The first radius of curvature (R1) is 155.7 mm, while the second radius (R2) is -155.7 mm, indicating a double-convex lens design. The Back Focal Length (BFL) is 149.5 mm.
The lens is made from n-bk7 schott material, a common and reliable choice for optical components due to its excellent optical properties. The lens is coated with opt ir1 on both the front and back surfaces, enhancing its performance in the specified wavelength range.