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第１図は本考案サングラス用プロタン硝子レン ズの平面図。第２図はＡ−Ａ断面図である。
１ プロタン硝子レンズ。
FIG. 1 is a plan view of the protane glass lens for sunglasses of the present invention. FIG. 2 is a sectional view taken along line A-A. 1 Protan glass lens.
Claims (1)
【実用新案登録請求の範囲】[Scope of utility model registration request] ４号色の緑色プロタン硝子を球面状に湾曲し、 これを全均加工し、サングラス用に形成したこと を特徴とするサングラス用プロタン硝子レンズ。 No. 4 green protane glass is curved into a spherical shape, This is a protan glass lens for sunglasses, which is completely uniformly processed and formed for sunglasses.