{"id":371841,"date":"2024-10-20T02:26:34","date_gmt":"2024-10-20T02:26:34","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-21-30378392-dc\/"},"modified":"2024-10-26T04:15:04","modified_gmt":"2024-10-26T04:15:04","slug":"bsi-21-30378392-dc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-21-30378392-dc\/","title":{"rendered":"BSI 21\/30378392 DC"},"content":{"rendered":"<p>This part of <span class=\"std\"><span class=\"std-ref\">ISO&nbsp;8980<\/span><\/span> specifies requirements for the transmittance properties of uncut and unmounted finished spectacle lenses, including attenuation of solar radiation.<\/p>\n<p>This part of <span class=\"std\"><span class=\"std-ref\">ISO&nbsp;8980<\/span><\/span> is not applicable to<\/p>\n<ul>\n<li>\n<p>spectacle lenses having specific transmittance or absorption characteristics prescribed for medical reasons;<\/p>\n<\/li>\n<li>\n<p>products to which specific personal protective equipment transmittance standards apply;<\/p>\n<\/li>\n<li>\n<p>products intended for direct observation of the sun, such as for solar-eclipse viewing.<\/p>\n<\/li>\n<\/ul>\n<div class=\"non-normative-note\">\n<div class=\"note-label\">\n  NOTE&nbsp;1\n <\/div>\n<p>By reference to <span class=\"std\"><span class=\"std-ref\">ISO 21987<\/span><\/span> and <span class=\"std\"><span class=\"std-ref\">ISO 14889<\/span><\/span>, this document also applies to lenses mounted in spectacles.<\/p>\n<\/div>\n<div class=\"non-normative-note\">\n<div class=\"note-label\">\n  NOTE&nbsp;2\n <\/div>\n<p>Optical and geometric requirements are specified for uncut finished spectacle lenses in <span class=\"std\"><span class=\"std-ref\">ISO&nbsp;8980-1<\/span><\/span> and&nbsp;<span class=\"std\"><span class=\"std-ref\">ISO&nbsp;8980-2<\/span><\/span>, and for mounted lenses, in <span class=\"std\"><span class=\"std-ref\">ISO&nbsp;21987<\/span><\/span>.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p><b>BS EN ISO 8980-3. Ophthalmic optics. Uncut finished spectacle lenses &#8211; Part 3. Transmittance specifications and test methods<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2021<\/td>\n<td>40<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":371851,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[145,2641],"product_tag":[],"class_list":{"0":"post-371841","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-11-040-70","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/371841","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/371851"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=371841"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=371841"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=371841"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}