48-679 12.0mm Dia. x -15 FL; Uncoated; Plano-Concave Lens

The 48-679 is a 12.0mm diameter Plano-Concave lens with a focal length of -15 FL, sourced from the renowned optical vendor, Edmund Optics. This lens, designed for use in a variety of optical systems, boasts a base shape of circle, offering versatility and wide-ranging applicability.

The lens's geometry is meticulously crafted, with a thickness at the edge of 4.47 and a center thickness of 3.0. The effective focal length (EFL) is -15, indicating a concave lens, which is ideal for use in applications such as beam expansion, collimation, or reduction.

The lens is made from n-sf11 Schott, a high-index glass with excellent optical properties, making it suitable for use in high-performance optical systems. The wavelength of 587.6 nm is within the visible light spectrum, indicating this lens's potential use in applications involving visible light.

Notably, this lens is uncoated, offering users the flexibility to apply their preferred coating based on their specific application requirements. However, it's essential to consider that uncoated lenses may have higher reflectivity and lower transmission compared to coated ones.