This is a 22.4 mm diameter Plano-Convex lens, manufactured by Qioptiq Photonics, a leading provider of precision optics. The lens is made of N-BK7, a popular glass type known for its excellent optical properties, and has an effective focal length (EFL) of 40mm, making it suitable for a wide range of applications.
The lens features a spherical shape, with a radius of curvature of 20.833mm for the convex side. The edge thickness is 1.7mm, while the center thickness is 5mm, providing a good balance between weight and optical performance. The lens is coated with Qio Bbar Arb2nirnbk7 on both the front and back surfaces, enhancing its durability and performance in the 725-1050nm wavelength range.
The lens is mounted, making it ready for immediate use in your optical system. According to the vendor's website, the lens is currently in stock, ensuring quick delivery. The provided weblink provides direct access to the product page for further information and purchasing.