89-143 10mm Dia. x 15mm FL; VIS-EXT Coated; Double-Convex Lens VIS-EXT 350-700nm

This is a 10mm diameter, double-convex lens with a focal length of 15mm, sourced from the renowned optical components vendor, Edmund Optics. The lens is made from the high-quality material n-BK7 Schott, a borosilicate crown glass known for its excellent optical properties, including low dispersion and high homogeneity.

The lens features a double-convex geometry, characterized by two spherical surfaces that curve outwards, away from the optical axis. This design allows for a high refractive power, making it ideal for applications that require significant light bending or focusing. The lens has an inner radius of 0mm and an outer radius of 0mm, indicating a symmetrical design.

The lens is coated with EDM VIS-EXT, a broadband anti-reflection coating designed for use in the visible spectrum, specifically between 350nm and 700nm. This coating reduces surface reflections, enhancing the lens's transmission and overall optical performance. The coating is applied to both the front and back surfaces of the lens, ensuring optimal performance from all angles.

The lens has a thickness of 1.77mm at the edge and 3.5mm at the center, providing structural rigidity while maintaining a compact profile. The back focal length (BFL) is 13.8mm, which is the distance from the back surface of the lens to the focal point.