SLSQ-15B-30N 15.0 mm Dia. x -29.7 mm FL; Double-Concave Lens Uncoated

The SLSQ-15B-30N is a high-quality double-concave lens offered by OptoSigma, a renowned vendor in the optical industry. This lens, with a diameter of 15.0 mm, is designed for use in a variety of optical systems, offering a negative focal length of -29.7 mm.

The lens is made from fused silica, a material known for its excellent optical properties, including high transparency and resistance to thermal shock. The base shape of the lens is circular, and it features a double-concave geometry, with radii of curvature of -27.6 mm and 27.6 mm for the first and second surfaces, respectively.

The lens has an edge thickness of 4.1 mm and a center thickness of 2 mm, providing a robust structure while minimizing unwanted optical effects. The back focal length of the lens is -30.3 mm, and it has no coating, offering unaltered optical properties.

This lens is suitable for use in a wide range of applications, including but not limited to, imaging systems, beam shaping, and laser applications. The provided web link leads to the product page on the vendor's website, where users can find more detailed information and purchase options.