KBX040 12.7 mm Dia. x 75.6 mm FL; Uncoated; Double-Convex Lens

The KBX040 is a high-quality double-convex lens, sourced from the reputable vendor MKS/Newport. This lens boasts a 12.7 mm diameter and a focal length of 75.6 mm, making it suitable for a wide range of optical applications.

The lens is fabricated from N-BK7 Schott, a popular optical glass due to its excellent optical properties and versatility. The base shape of the lens is circular, and it features a spherical geometry with a center thickness of 3.521 mm and an edge thickness of 3 mm. The inner and outer radii are 0, indicating a uniform curvature throughout the lens.

The lens's effective focal length (EFL) is 75.6 mm, and the back focal length (BFL) is 74.43 mm. The radii of curvature for the first and second surfaces are 77.538 mm and -77.538 mm, respectively. These specifications make the lens suitable for use in various applications, including imaging systems, beam shaping, and laser applications.

Notably, this lens is uncoated, which may be advantageous depending on the specific application. Uncoated lenses can provide superior damage threshold and are more cost-effective. However, they may have higher reflectivity and lower transmission compared to coated lenses.

For more information and to check the current stock status, please refer to the vendor's website at https://www.newport.com/f/uncoated-n-bk7-bi-convex-lenses.