LB1901-C N-BK7 Bi-Convex Lens; Dia:1 in; f=75.0 mm ARC 1050-1700nm

The LB1901-C is a high-quality bi-convex lens, featuring a spherical design and a circular base shape. This lens is sourced from the renowned optical component manufacturer, Thorlabs. The lens boasts a diameter of 1 inch (25.4 mm) and a central thickness of 7.7 mm, with the edge thickness measuring 2 mm. The effective focal length (EFL) of this lens is 35 mm, and the back focal length (BFL) is 73.6 mm.

The LB1901-C is crafted from N-BK7 glass, a popular choice in the optical industry due to its excellent optical properties and wide transmission range. This lens is specifically designed for use with a wavelength of 633 nm. The lens features anti-reflection coatings on both the front and back surfaces, tailored for the ARC 1050-1700nm range. This coating enhances the lens's performance by reducing surface reflections, thereby increasing transmission and minimizing dispersion.

The LB1901-C is currently in stock and available for immediate purchase through the Thorlabs website, as indicated by its "Valid - in stock" weblink status. This lens is a versatile and reliable choice for various optical applications, offering superior optical performance and durability.