This is a G063026400 22.4 mm diameter N-BK7 mounted double-convex lens, with a focal length (EFL) of 80mm. The lens is sourced from Qioptiq Photonics, a renowned vendor in the field of precision optics.
The lens is of the spherical type, specifically a convex-convex lens, and is mounted on a circular base. The diameter of the lens is 22.4mm, with a thickness of 2mm at the edge and 3.5mm at the center. The inner and outer radii are both zero, indicating a symmetrical lens design.
The lens is made from N-BK7, a popular glass type in the optical industry, known for its excellent optical properties. The wavelength of this lens is 587.6nm. It is coated with a silver coating, specifically Qio Silver Ragv 45, on both the front and back surfaces.
The lens is in stock and available for purchase on the Qioptiq Photonics website. For more information, you can visit the provided weblink.