The SLB-50.8B-250P is a high-quality double-convex lens, boasting a diameter of 50.8 mm and a focal length of 251.0 mm. This lens is sourced from OptoSigma, a renowned vendor known for their precision optical elements.
The lens is made from n-bk7 schott, a popular material in the optical industry due to its excellent optical properties. The base shape of the lens is circular, and it features a spherical geometry, with a center thickness of 5.4 mm and an edge thickness of 2.9 mm. The effective focal length (EFL) is 251 mm, and the back focal length (BFL) is 249.1 mm.
The lens is uncoated, offering users the flexibility to apply their own coatings based on their specific requirements. The double-convex design, where both surfaces of the lens are convex, provides a wide range of applications, including imaging, beam shaping, and focusing.
The lens is currently in stock and can be purchased directly from the vendor's website. The provided weblink leads to the product page for easy access and purchase.