SLB-50-70N 50.0 mm Dia. x -70.0 mm FL; Plano-Concave Lens Uncoated

The SLB-50-70N is a Plano-Concave Lens with a diameter of 50.0 mm and a focal length of -70.0 mm. This lens is sourced from OptoSigma, a renowned vendor known for its high-quality optical elements. The lens is made of n-BK7 Schott, a popular material in the optical industry due to its excellent optical properties.

The lens's geometry is characterized by its base shape, which is circular, and its thickness at the edge, which is 13.0 mm. The center thickness is 3.0 mm, and the effective focal length (EFL) is -70.0 mm. The radius of curvature (R1) is -36.33 mm, and the back focal length (BFL) is -72.0 mm. The lens does not have any coatings, as indicated in the item data.

This lens is a Spherical Lens, which means it has a surface that is a portion of a sphere. The wavelength for this lens is 546.1 nm. The lens's Inner Radius and Outer Radius are both 0, indicating that the lens is uniformly curved.

The lens's web links are valid and indicate that it is in stock, making it readily available for use in various optical applications.