69-668 25mm Dia. x 150mm FL; Coated; Ge Plano-Convex Lens BBAR 8-12µm

This is a 25mm diameter, 150mm focal length plano-convex lens, designed for use in the 8-12µm wavelength range. The lens is sourced from Edmund Optics, a leading vendor in the optical industry, and is currently in stock.

The lens is made of Germanium burnett, a material known for its excellent optical properties in the infrared spectrum. It features a front and back coating of EDM ARCEDGERMANIUM81, a broadband anti-reflection coating that enhances transmission and reduces surface reflections.

The lens has a planar surface on one side and a convex surface on the other, with a center thickness of 3mm and an edge thickness of 2.83mm. The inner radius is 0mm, and the outer radius is also 0mm, indicating a symmetrical design. The lens's effective focal length (EFL) is 150mm, and the back focal length (BFL) is 149.25mm.

This lens is suitable for a wide range of applications, including infrared imaging, spectroscopy, and beam shaping. Its high transmission, low reflectivity, and precise geometry make it an excellent choice for these and other demanding optical applications.