87-976 12.5mm Dia. UVFS Aspheric Lens; EFL=12.5mm; NA=0.5 Uncoated

The 87-976 is a high-performance aspheric lens, boasting a 12.5mm diameter and a numerical aperture (NA) of 0.5. This lens is crafted from UV fused silica, a material known for its exceptional transparency across a wide spectral range, making it an ideal choice for ultraviolet (UV) applications.

The lens's geometry is meticulously designed, featuring an inner radius of 0mm, an outer radius of 0mm, and a thickness at the edge of 1.98mm. The effective focal length (EFL) is 12.5mm, and the back focal length (BFL) is 8.39mm. The center thickness of the lens is 6mm, providing robust structural integrity.

The aspheric design of this lens, characterized by the coefficients k1 (-0.6549125) and k2 (0), ensures superior optical performance. It effectively corrects spherical aberration, a common issue in traditional spherical lenses, thereby delivering sharper images with increased contrast and resolution.

The lens is uncoated, offering a cost-effective solution for applications where coating is not a necessity. However, for environments requiring higher light transmission or protection against environmental factors, coating options are available from the vendor.

This lens is sourced from Edmund Optics, a trusted name in the optical industry, and is currently in stock. For more information, including pricing and availability, please refer to the provided weblink.