This MF-px-25.4-500 lens, sourced from Alkor Technologies, is a 25.4 mm diameter Plano-Convex spherical lens with a Magnesium Fluoride (MgF2) coating. The lens is designed for use with a wavelength of 266 nm and has an effective focal length (EFL) of 500mm, making it suitable for a variety of optical applications.
The lens's geometry features a 2mm thickness at the edge and a 2.4mm thickness at the center, with an inner radius of 0mm and an outer radius of 0mm. The base shape is circular, and the lens is uncoated, offering a high-quality, cost-effective solution for your optical needs.
According to the vendor's website, this item is currently in stock, and you can find more information about it, including pricing and availability, at http://www.alkor.net/MgF2_lenses.html.