112-0247E 25.4 mm Dia. x -500 mm FL; Uncoated; Plano-Concave Lens

The 112-0247E is a plano-concave lens with a diameter of 25.4 mm and a focal length of -500 mm, sourced from EKSMA Optics. This lens is a spherical type, designed with a base shape of a circle, and is uncoated.

The lens's geometry includes a thickness edge of 4 mm and a thickness center of 3.7 mm. The effective focal length (EFL) is -500 mm, and the radius of curvature (R1) is -259.4 mm. The inner and outer radii are both 0 mm, indicating a plano surface on one side and a concave surface on the other.

The lens is made of n-BK7 Schott material, a common type of optical glass known for its excellent optical properties. The wavelength for this lens is 546 nm.

This lens is a versatile component, suitable for various applications where a plano-concave lens is required. Its uncoated state allows for customization based on specific application needs. Please note that the lens's performance can be influenced by the environment and the type of light it is exposed to, and additional coatings may be necessary to enhance its durability and performance.