The 67-523 is a Plano-Convex lens with a diameter of 15.0mm and a focal length of 75.0mm, specifically designed for use in the Near-Infrared II (NIR II) spectrum, covering the wavelength range of 750-1550nm. This lens is sourced from the reputable optical vendor, Edmund Optics.
The lens is made from the high-quality material, N-BK7 Schott, which is renowned for its excellent optical properties and versatility. The lens geometry includes a thickness edge of 1.59mm and a thickness center of 3.0mm, with a back focal length of 38.02mm and an effective focal length of 40mm.
The 67-523 features a standard curve coating on both the front and back surfaces, specifically the EDM NIR-II std curve. This coating enhances the lens' performance in the NIR II spectrum, ensuring optimal transmission and minimal reflection.
This lens is available for purchase directly from the Edmund Optics website, where it is currently in stock. The link to the product page is provided for your convenience.