SLB-40B-250P 40.0 mm Dia. x 250.6 mm FL; Double-Convex Lens Uncoated

The SLB-40B-250P is a double-convex lens with a diameter of 40.0 mm and a focal length of 250.6 mm. This lens is sourced from OptoSigma, a renowned vendor in the optical industry. The lens is made of n-bk7 schott, a high-quality optical glass known for its excellent transparency and low auto-fluorescence.

The lens geometry is characterized by its spherical shape, with a center thickness of 3.5 mm and an edge thickness of 2 mm. The radii of curvature for the first and second surfaces are 259.5 mm and -259.5 mm, respectively. The back focal length of the lens is 249.4 mm, and the effective focal length is 250.6 mm. The lens is uncoated, offering a clear, unaltered view of the light path.

This lens is suitable for a wide range of applications, including but not limited to imaging systems, beam shaping, and laser applications. The high-quality material and precise geometry ensure excellent optical performance, making it a reliable choice for various optical setups. The lens is currently in stock and can be purchased directly from the vendor's website.