This is a high-quality aspheric lens from the renowned optical vendor, Edmund Optics. The lens, catalog number 89-441, is designed for use with a wavelength of 1064nm and features a laser V-coat, ensuring optimal performance and durability.
The lens has a base shape of a circle, with a diameter of 25mm. The inner radius is 0mm, and the outer radius is also 0mm. The effective focal length (EFL) is 75mm, and the numerical aperture (NA) is 0.17. The lens is made from N-BK7 Schott, a popular material for optical elements due to its excellent optical properties.
The geometry of the lens is precisely engineered. The thickness at the edge is 2.26mm, and the thickness at the center is 4.25mm. The front and back of the lens are coated with Edmund Optics' laser V-coat, designed specifically for 1064nm, ensuring the best possible performance and longevity.
The lens is currently in stock and available for immediate purchase. For more information, please refer to the vendor's website using the provided weblink.