This is a Plano-Concave Lens from Standa, a renowned vendor in the optical industry. The lens, which is part of the spherical lens category, is designed with a base shape of a circle and is uncoated. The lens's primary geometry includes a diameter of 12.7 mm, a thickness edge of 3 mm, and a thickness center of 2.5 mm. The effective focal length (EFL) is -100 mm, indicating that it is a diverging lens.
The lens's inner radius is 0 mm, and the outer radius is also 0 mm, suggesting that the lens's curvature is consistent throughout. The material ID for this lens is "caf2 mal-1963", and it is designed to work with a wavelength of 2940 nm.
This lens is a great option for those looking for a high-quality, uncoated Plano-Concave lens. It is currently in stock and available for immediate use. For more information, you can visit the vendor's website through the provided weblink.