Started selling "TECHSPEC Flat Concave Lens (VIS-EXT Multi-Coat)" with an AR coating that has a reflectivity of less than 0.5% per surface.

エドモンド・オプティクス・ジャパン
Edmund Optics Japan Co., Ltd. has started selling the "TECHSPEC Plano-Concave Lens (VIS-EXT Multi-Coated)." This product is designed to bend parallel incident light rays and diverge them from the lens's exit surface by having a negative focal length. It can be used to balance aberrations caused by other lenses in the system due to negative spherical aberration. Additionally, it offers better performance in the range of 350nm to 700nm, and there are various anti-reflective coating options available.
