SLB-40B-50P 40.0 mm Dia. x 51.7 mm FL; Double-Convex Lens Uncoated

The SLB-40B-50P is a high-quality double-convex lens offered by OptoSigma, a renowned vendor in the optical industry. This lens, with a diameter of 40.0 mm and a focal length of 51.7 mm, is designed for use in a variety of optical systems.

The lens is made from n-BK7 Schott, a popular optical glass known for its excellent optical properties. The base shape of the lens is circular, and it features a spherical geometry with a center thickness of 10 mm and an edge thickness of 2 mm. The radii of curvature for the first and second surfaces are 51.9 mm and -51.9 mm, respectively, resulting in a back focal length of 48.3 mm.

The lens is uncoated, which means it does not have any anti-reflective coatings. While this may result in higher reflective losses, it also means that the lens is less susceptible to damage and contamination. The lens is designed to operate at a wavelength of 546.1 nm.

The item data indicates that this lens is in stock, and the web link provided leads to the product page on OptoSigma's website, where more information and specifications can be found. This lens is a great choice for anyone looking for a high-quality, double-convex lens for their optical system.