BICV-FS04 12.7 mm Dia. x -20 mm FL; Uncoated; Double-Concave Lens

The BICV-FS04 is a high-precision double-concave lens, 12.7 mm in diameter, with a focal length of -20 mm, sourced from WTS Photonics. This lens is uncoated and features a double-concave design, making it suitable for a wide range of applications.

The lens's geometry is characterized by its diameter of 12.7 mm, a thickness of 4.22 mm at the edge, and a center thickness of 2 mm. The first radius of curvature (R1) is -18.71 mm, while the second radius (R2) is 18.71 mm, indicating a symmetrical, concave-concave shape. The back focal length (BFL) is 20.67 mm, and the effective focal length (EFL) is -20 mm.

The lens is made from fused silica, specifically the material type mal-1965. This material is known for its excellent optical properties, making it ideal for applications that require high precision and clarity. The lens is designed to operate at a wavelength of 546.1 nm.

Please note that the lens does not have any coating, which may affect its performance in certain applications. However, its uncoated state also means it can be easily customized or integrated into existing systems.

The lens is currently in stock and available for immediate purchase. For more information, please refer to the vendor's website or contact 3DOptix directly.