SLB-50-4000P 50.0 mm Dia. x 4000.0 mm FL; Plano-Convex Lens Uncoated

The SLB-50-4000P is a Plano-Convex lens with a diameter of 50.0 mm and a focal length of 4000.0 mm, sourced from the reputable vendor OptoSigma. This lens is made of n-bk7 schott material, a popular choice for its high refractive index and low dispersion, making it ideal for a wide range of optical applications.

The lens's geometry is characterized by its edge thickness of 3.0 mm and center thickness of 3.2 mm. The inner and outer radii are both 0.0 mm, indicating a uniform curvature. The effective focal length (EFL) is 4000.0 mm, and the back focal length (BFL) is 3997.9 mm. The radius of curvature (R1) is 2076.0 mm.

This lens is uncoated, meaning it does not have any additional layers to enhance its optical properties. While this may result in a lower transmission rate and increased susceptibility to environmental factors, it also means the lens can be easily integrated into various systems without worrying about compatibility issues with different coating types.

The lens's wavelength is 546.1 nm, which is within the visible light spectrum. This makes it suitable for applications that involve visible light, such as imaging systems, beam shaping, and light collimation.