LE1418-A 50.8 mm Dia. N-BK7 Positive Meniscus Lens; EFL=150mm 350-700nm

The LE1418-A is a 50.8 mm diameter Spherical Lens with a Positive Meniscus shape, sourced from Thorlabs. This lens is designed for use in the visible spectrum, specifically optimized for wavelengths of 587.6 nm. The lens is made from N-BK7 Schott glass, a popular choice for its high homogeneity and excellent optical transmission properties.

The lens features an effective focal length (EFL) of 150mm, making it suitable for a variety of applications that require moderate magnification or beam bending. The front and back surfaces of the lens are coated with THo A Bbar, a broadband anti-reflection coating that enhances transmission and reduces surface reflections.

The lens geometry includes a thickness of 2.7mm at the edge and 7.3mm at the center. The radii of curvature are 47.9mm for the first surface and 119.3mm for the second surface. The back focal length (BFL) is 141.7mm. The lens is circular in shape with no inner or outer radius specified, indicating a full-diameter lens.

According to the vendor's website, the LE1418-A is currently in stock, ensuring quick delivery for your optical system needs. This lens is a versatile and reliable choice for applications in the visible spectrum that require a positive meniscus lens with specific geometric and material properties.