SLB-30-220NM 30.0 mm Dia. x -220.0 mm FL; Coated; Plano-Concave Lens 400-700nm

The SLB-30-220NM is a Plano-Concave Spherical Lens, 30.0 mm in diameter and featuring a focal length of -220.0 mm. This lens is sourced from OptoSigma, a renowned vendor in the optical industry. The lens is made from n-bk7 schott, a high-quality material known for its excellent optical properties.

The lens's geometry includes a 3 mm thickness at the edge and a 2 mm thickness at the center, with an effective focal length (EFL) of -220.0 mm. The front and back surfaces of the lens are coated with an opt m coating, designed to enhance the lens's performance within the wavelength range of 400-700nm.

This lens is part of the Spherical Lens (Plano-Concave) category, featuring a Circular base shape. The inner and outer radii are 0, indicating a simple, straightforward design. The lens's geometry is defined by a radius of curvature (R1) of -114.18 mm and a back focal length (BFL) of -221.3 mm.

The lens's web links are valid and indicate that it is currently in stock, making it an ideal choice for immediate use in various optical applications.