The 67-993 is a Plano-Concave Lens with a 12mm diameter, offering a focal length of -18 and designed for use within the near-infrared spectrum of 750-1550nm. This lens is sourced from Edmund Optics, a reputable vendor known for their high-quality optical components.
The lens is crafted from n-sf11 Schott, a material well-suited for applications within the near-infrared range. It boasts a plano-concave geometry, with a thickness of 4.7mm at the edge and 3.5mm at the center, making it an ideal choice for various optical systems.
The 67-993 features a standard curve coating on both the front and back surfaces, specifically Edmund Optics' NIR-II coating. This coating is designed to enhance performance within the near-infrared spectrum, ensuring optimal functionality and longevity.
Please note that the lens has an inner radius of 0mm and an outer radius of 0mm. The base shape is circular, and the lens is classified as a Spherical Lens, subtype Plano-Concave.
For more information, including pricing and availability, please refer to the provided weblink, which is currently valid and indicates the lens is in stock.