| 摘要 |
<p>ÄProblemÜ To provide an optical member, in which when stains on a water-repellent film are removed by a cloth, etc., it is possible to smoothly wipe the top of the water-repellent film, and a lens is hardly scratched. <??>ÄMeans for ResolutionÜ An optical member including an optical substrate, a multilayered antireflection film provided on the optical substrate, and a water-repellent layer provided on an outermost layer of the multilayered antireflection film, wherein the outermost layer of the multilayered antireflection film is a layer containing, as a major component, silicon dioxide; and the water-repellent layer includes a first layer containing, as major components, a fluorine-substituted alkyl group-containing organosilicon compound and a silicon-free perfluoropolyether and a second layer provided on the first layer and which is in direct contact therewith, which contains, as a major component, a silicon-free perfluoropolyether.</p> |
