LC1259-C N-BK7 Plano-Concave Lens; Dia:25 mm; f=-50.0 mm ARC 1050-1700nm

The LC1259-C is a plano-concave lens from Thorlabs, featuring a spherical geometry and a base shape of a circle. This lens is designed with a diameter of 25 mm and a thickness at the edge of 6.7 mm, while the center thickness measures 3.5 mm. The effective focal length (EFL) of this lens is -50 mm, making it a plano-concave lens. The radius of curvature (R1) is -25.7 mm, and the back focal length (BFL) is -52.3 mm.

This lens is made of N-BK7 Schott, a popular optical glass due to its excellent optical properties. The lens is designed to work with a wavelength of 632.8 nm. It comes with anti-reflection (AR) coating on both the front and back surfaces, specifically designed for the wavelength range of 1050-1700 nm. This coating helps to reduce reflection and increase transmission, making it suitable for use in various applications.

The lens is currently in stock and available for immediate purchase from the vendor's website. With its detailed specifications and high-quality construction, the LC1259-C is an excellent choice for those seeking a reliable and efficient plano-concave lens for their optical systems.