LC1060 N-BK7 Plano-Concave Lens; Dia:0.5 in; f=-30.0 mm Uncoated

The LC1060 N-BK7 Plano-Concave Lens is a high-quality optical component sourced from Thorlabs, a leading vendor in the field of optical equipment. This lens, with a diameter of 0.5 inches, is designed for use in a variety of optical systems, offering a focal length of -30.0 mm.

The lens is made from N-BK7, a type of borosilicate glass known for its excellent optical properties. This material, also known as BK7, is widely used in optical systems due to its low dispersion and high transmission in the visible spectrum. The lens's geometry includes a planar surface and a concave surface with a radius of curvature of -15.4 mm, contributing to its negative focal length.

The lens has a central thickness of 3 mm and an edge thickness of 4.4 mm, providing structural integrity and resistance to deformation. The back focal length is -32 mm, indicating the distance between the lens's rear surface and its focal point. The lens's inner and outer radii are both 0, suggesting a symmetrical design.

This lens is uncoated, meaning it does not have any additional layers to enhance its optical properties. While coatings can improve transmission, reduce reflection, and protect against environmental factors, uncoated lenses can be suitable for certain applications where such enhancements are not required.

The lens's intended wavelength is 587.6 nm, which falls within the green portion of the visible light spectrum. This wavelength is often used in applications such as fluorescence microscopy and spectroscopy.