SLB-25.4B-25NIR1 25.4 mm Dia. x -24.7 mm FL; Coated; Double-Concave Lens 633-1064nm

The SLB-25.4B-25NIR1 is a high-quality double-concave lens, 25.4 mm in diameter, and featuring a focal length of -24.7 mm. This lens is sourced from OptoSigma, a renowned vendor in the optical industry, and is available for immediate purchase.

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. The thickness at the edge of the lens is 8.6 mm, while the thickness at the center is 2 mm. The effective focal length (EFL) is -24.7 mm, and the radii of curvature for the first and second surfaces are -25.95 mm and 25.95 mm, respectively.

The lens comes with a broadband anti-reflection coating, specifically designed for the 633-1064nm wavelength range, ensuring optimal performance in various applications. The coating is applied to both the front and back surfaces of the lens, further enhancing its functionality.

This lens is a perfect fit for applications that require a concave-concave lens with specific dimensions and optical properties. Its high-quality construction, reliable performance, and wide range of usability make it a valuable addition to any optical setup.