39-476 25.4mm Dia. ZnSe Aspheric Lens; EFL=20mm; NA=0.64 Uncoated

The 39-476 is a high-quality aspheric lens, boasting a 25.4mm diameter and a focal length of 20mm. This lens is crafted from ZnSe (Zinc Selenide), a material known for its excellent optical properties, particularly in the infrared spectrum. The lens is uncoated, offering a numerical aperture (NA) of 0.64, which is a measure of the light-gathering ability of the lens. The aspheric design of the lens helps to reduce spherical aberration, a common issue in traditional lenses, resulting in improved image quality and resolution. The lens is sourced from Edmund Optics, a reputable vendor known for their high-quality optical components. The lens is currently in stock and available for immediate purchase. For more information, please refer to the vendor's website.