This is a LA1461-AB 25.4 mm Dia. N-BK7 Plano-Convex Lens, a high-quality optical component sourced from Thorlabs. The lens is designed for use in the 400-1100nm wavelength range, making it suitable for a wide range of applications in the optical spectrum.
The lens is spherical in shape, with a base shape of circular. It has a diameter of 25.4 mm and a thickness at the edge of 2 mm. The thickness at the center of the lens is 2.6 mm. The effective focal length (EFL) of the lens is 249.2 mm, providing a long focal length for various optical setups.
The lens is made of N-BK7, a type of glass commonly used in optical applications due to its excellent optical properties. The lens is coated with THo AB BAR on both the front and back surfaces, enhancing its performance in the specified wavelength range.
The LA1461-AB is currently in stock and available for immediate purchase. For more information, please refer to the vendor's website provided in the item data.