SVENSK STANDARD SS-EN ISO 8980-4 Handläggande organ Fastställd Utgåva Sida Hälso- och sjukvårdsstandardiseringen, HSS 2000-12-29 1 1 (1+9) Copyright SIS. Reproduction in any form without permission is prohibited. Ophthalmic optics Uncut finished spectacle lenses Part 4: Specifications and test methods for antireflection coatings (ISO 8980-4:2000) Ögonoptik Råkantade färdiga glasögonglas Del 4: Specifikation och provningar för antireflexbeläggning (ISO 8980-4:2000) The European Standard EN ISO 8980-4:2000 has the status of a Swedish Standard. This document contains the official English version of EN ISO 8980-4: 2000. Swedish Standards corresponding to documents referred to in this Standard are listed in Catalogue of Swedish Standards, issued by SIS. The Catalogue lists, with reference number and year of Swedish approval, International and European Standards approved as Swedish Standards as well as other Swedish Standards. Europastandarden EN ISO 8980-4:2000 gäller som svensk standard. Detta dokument innehåller den officiella engelska versionen av EN ISO 8980-4: 2000. Motsvarigheten och aktualiteten i svensk standard till de publikationer som omnämns i denna standard framgår av Katalog över svensk standard, som ges ut av SIS. I katalogen redovisas internationella och europeiska standarder som fastställts som svenska standarder och övriga gällande svenska standarder. ICS 11.040.00 Standarder kan beställas hos SIS Förlag AB som även lämnar allmänna upplysningar om svensk och utländsk standard. Postadress: SIS, Box 6455, 113 82 STOCKHOLM Telefon: 08-610 30 00. Telefax: 08-30 77 57 E-post: sis.sales@sis.se. Internet: www.sisforlag.se Upplysningar om sakinnehållet i standarden lämnas av HSS. Telefon: 08 452 70 70. Telefax: 08 452 70 85 E-post: hss@hss.se Tryckt i februari 2001
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM EN ISO 8980-4 June 2000 ICS 11.040.00 English version Ophthalmic optics - Uncut finished spectacle lenses - Part 4: Specifications and test methods for anti-reflection coatings (ISO 8980-4:2000) Optique ophtalmique - Verres de lunettes finis non détourés - Partie 4: Spécifications et méthodes d'essai relatives aux traitements antireflet (ISO 8980-4:2000) Augenoptik - Rohkantige fertige Brillengläser - Teil 4: Anforderungen und Prüfverfahren für reflexmindernde Vergütungen (ISO 8980-4:2000) This European Standard was approved by CEN on 5 May 2000. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG Central Secretariat: rue de Stassart, 36 B-1050 Brussels 2000 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 8980-4:2000 E
Page 2 EN ISO 8980-4:2000 Provläsningsexemplar / Preview Contents Page Foreword... 3 1 Scope... 4 2 Normative reference... 4 3 Terms and definitions... 4 4 Requirements... 5 4.1 General requirements... 5 4.2 Luminous and mean reflectances... 5 4.3 Usable diameter of coated area... 5 5 Testing... 5 5.1 General... 5 5.2 Method of determination of reflectance... 5 5.3 Determination of spectral reflectance values... 6 5.4 Determination of luminous reflectance... 6 5.5 Determination of mean reflectance... 6 6 Information to be made available on request... 6 7 Reference to this part of ISO 8980... 6 Annex A (informative) Annex ZA (normative) Significance of ρv and ρm in the description of anti-reflective coated lenses... 8 Normative references to international publications with their corresponding European publications... 9 Annex ZB (informative) A-deviations... 10
Page 3 EN ISO 8980-4:2000 Foreword The text of the International Standard ISO 8980-4:2000 has been prepared by Technical Committee ISO/TC 172 "Optics and optical instruments" in collaboration with Technical Committee CEN/TC 170 "Ophthalmic optics", the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2000, and conflicting national standards shall be withdrawn at the latest by December 2000. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. EN ISO 8980 consists of the following parts under the general title "Ophthalmic optics - Uncut finished spectacle lenses": Part 1: Specifications for single-vision and multifocal lenses Part 2: Specifications for progressive power lenses Part 3: Transmission specifications and test methods Part 4: Specifications and test methods for anti-reflective coatings Endorsement notice The text of the International Standard ISO 8980-4:2000 was approved by CEN as a European Standard without any modification. NOTE: Normative references to International Standards are listed in Annex ZA (normative). A-deviations are given in Annex ZB (informative).
Page 4 EN ISO 8980-4:2000 Provläsningsexemplar / Preview Ophthalmic optics Uncut finished spectacle lenses Part 4: Specifications and test methods for anti-reflective coatings 1 Scope This part of ISO 8980 specifies optical and non optical requirements and test methods for anti-reflective coatings on spectacle lenses. This part of ISO 8980 does not deal with the following topics: transmittance and absorptance; the colour of the reflected light. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this part of ISO 8980. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this part of ISO 8980 are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO 8980-1:1996, Ophthalmic optics Uncut finished spectacle lenses Part 1: Specifications for single-vision and multifocal lenses. ISO 8980-2:1996, Ophthalmic optics Uncut finished spectacle lenses Part 2: Specifications for progressive power lenses. ISO 8980-3:1999, Ophthalmic optics Uncut finished spectacle lenses Part 3: Transmittance specifications and test methods. ISO 13666:1998, Ophthalmic optics Spectacle lenses Vocabulary. ISO 14889:1997, Ophthalmic optics Spectacle lenses Fundamental requirements for uncut finished lenses. 3 Terms and definitions For the purposes of this part of ISO 8980, the terms and definitions given in ISO 13666:1998 and the following apply. 3.1 coated lens anti-reflective coated spectacle lens