15-018 150 mm Dia. N-BK7 Precision Aspheric Lens; EFL=225mm; NA=0.33 Uncoated

The 15-018 is a high-precision aspheric lens, boasting a 150 mm diameter and a numerical aperture (NA) of 0.33. This lens is crafted from N-BK7, a popular glass type known for its excellent optical properties, making it an ideal choice for various applications.

The lens's geometry is meticulously designed, featuring an inner radius of 0 mm, an outer radius of 0 mm, and a thickness at the edge of 6.46 mm. The effective focal length (EFL) is 225 mm, and the radius of curvature (R1) is 116.28 mm. The lens's thickness at the center is 31.8 mm, and it has an aspheric shape, which is crucial for correcting spherical aberration and improving image quality.

The lens is uncoated, which means it does not have any additional layers to enhance light transmission or protect the surface. This might be suitable for applications where such coatings are not required or desirable.

The lens is sourced from Edmund Optics, a reputable vendor known for its wide range of optical components. According to the vendor's information, the lens is in stock, ensuring quick delivery for your optical system needs.

For more details, you can refer to the vendor's website through the provided weblink.