AL2520M-C 25 mm Dia. S-LAH64 High-Precision; CNC Polished Aspheric Lenses; EFL=20 mm; NA=0.54 AR 1050-1700nm

The AL2520M-C is a high-precision aspheric lens offered by Thorlabs, a leading vendor in the optical industry. This lens, with a catalog number AL2520M-C, is designed for use in the 780 nm wavelength range and features a circular base shape.

The lens is made from S-LAH64, a high-quality material from Ohara, and boasts a diameter of 25 mm. The edge thickness is 2.4 mm, and the effective focal length (EFL) is 20 mm, making it suitable for a variety of optical applications.

The aspheric design of the lens is achieved through precise CNC polishing, which results in superior surface quality and excellent optical performance. The lens's geometry includes a inner radius of 0 mm, an outer radius of 0 mm, and a center thickness of 7.6 mm. The aspheric coefficients are also provided, offering a detailed view of the lens's shape.

The lens features a high numerical aperture (NA) of 0.54, enhancing its light-gathering capability. It is coated with a broadband anti-reflection coating, applicable for the 1050-1700 nm range, which reduces surface reflections and increases transmission.

The lens is currently in stock and available for immediate purchase through the provided weblink. With its high precision, advanced design, and quality materials, the AL2520M-C is an excellent choice for a wide range of optical applications.