KBC070 50.8 mm Dia. x -500 mm FL; Uncoated; Double-Concave Lens

The KBC070 is a high-quality double-concave lens, boasting a diameter of 50.8 mm and a focal length of -500 mm. This lens is sourced from the reputable vendor MKS/Newport, ensuring reliability and performance. The lens is uncoated, providing a clear, unaltered view of the light path.

The KBC070 is a spherical lens, specifically designed with a concave-concave base shape. This design allows for effective light bending and focusing, making it ideal for various optical applications. The lens is made from the material N-BK7 Schott, a borosilicate glass known for its excellent optical properties, including low dispersion and high transmission across a wide spectrum.

The lens has a thickness of 3.51 mm at the edge and 2.5 mm at the center, providing a robust structure while maintaining a sleek profile. The inner and outer radii are 0, indicating a circular geometry. The effective focal length (EFL) is -500 mm, and the back focal length (BFL) is -500.82 mm, providing precise focusing capabilities.

This lens is designed to work with a wavelength of 589 nm, making it suitable for applications that use this specific wavelength. The KBC070 is a versatile and high-performing lens, perfect for those seeking a reliable optical component for their projects.