SLB-25-70NM 25.0 mm Dia. x -70.0 mm FL; Coated; Plano-Concave Lens 400-700nm

This is a Plano-Concave Spherical Lens, sourced from the reputable vendor OptoSigma. The lens has a diameter of 25.0 mm and a focal length of -70.0 mm, making it suitable for a variety of optical applications. The lens is made from n-bk7 schott material, a popular choice due to its excellent optical properties.

The lens features a double-sided coating, with both the front and back surfaces coated with opt m. This coating enhances the lens's performance in the spectral range of 400-700nm, providing improved transmission and reduced reflection.

The lens has a thickness of 4.2 mm at the edge and 2.0 mm at the center, providing a robust structure while maintaining a low profile. The inner and outer radii are 0, indicating a flat surface on one side and a curved surface on the other. The curvature of the lens is defined by a radius of -36.33 mm on the curved side, and the back focal length is -71.3 mm.

This lens is in stock and available for immediate purchase. For more information, please refer to the vendor's website using the provided weblink.