The 67-999 is a 25mm diameter Plano-Concave Lens, boasting a focal length of -25 and a central thickness of 3.5. This lens, sourced from Edmund Optics, is designed for use within the near-infrared spectrum, specifically between 750 and 1550nm.
The lens is constructed from n-sf11 Schott, a material known for its excellent optical properties, particularly within the infrared region. The lens features a spherical shape, with a radius of curvature of -19.62 on the front surface and a plano surface on the rear. The lens has a thickness of 7.41mm at the edge, providing robustness and durability.
The 67-999 is coated with Edmund Optics' standard NIR-II coating on both the front and back surfaces. This coating is specifically designed to enhance performance within the near-infrared region, ensuring optimal transmission and minimal reflection. The coating status is currently in stock, indicating immediate availability for your optical needs.