SLB-15B-25N 15.0 mm Dia. x -24.7 mm FL; Double-Concave Lens Uncoated

The SLB-15B-25N is a high-quality double-concave lens offered by OptoSigma, a leading vendor in the optical industry. This lens, designed with a spherical shape, is crafted from n-BK7 Schott, a renowned optical glass known for its excellent transparency and homogeneity.

The lens boasts a diameter of 15.0 mm and a center thickness of 2.0 mm, providing a robust structure while maintaining a compact form factor. The edge thickness is 4.2 mm, ensuring durability and resistance to edge chipping. The lens's design incorporates two concave surfaces with radii of -25.95 mm and 25.95 mm, respectively, creating a back focal length of -25.3 mm. This double-concave structure is ideal for applications requiring beam convergence or divergence.

The effective focal length (EFL) of this lens is -24.7 mm, making it suitable for various applications, including imaging systems, beam shaping, and laser applications. The lens is uncoated, offering users the flexibility to apply their preferred coating based on their specific application requirements.

The SLB-15B-25N is currently in stock and available for immediate purchase through the provided weblink. This lens is an excellent choice for those seeking a reliable, high-performance double-concave lens for their optical systems.