The 33-411 is a high-quality double-convex lens, boasting a 40mm diameter and a focal length of 100mm. This lens is specifically designed for use in the near-infrared (NIR) spectrum, with a wavelength range of 750-1550nm, making it ideal for a wide range of applications in this spectral region.
The lens is crafted from n-BK7 Schott, a popular optical glass due to its excellent optical properties and versatility. The lens features a standard curve coating on both the front and back surfaces, specifically the EDM NIR-II coating, which is designed to enhance performance in the NIR spectrum.
The geometry of the lens is meticulously designed, with an inner radius of 0 and an outer radius of 0, ensuring optimal light transmission. The lens has a thickness of 4.04mm at the edge and 8mm at the center, while the back focal length is 97.33mm. The radii of curvature for the first and second surfaces are 101.98mm and -101.98mm, respectively.
This lens is sourced from Edmund Optics, a leading manufacturer of optical components, ensuring a high level of quality and reliability. The item data indicates that the lens is currently in stock, making it readily available for immediate use.