{"id":10274,"date":"2023-06-01T07:44:02","date_gmt":"2023-06-01T07:44:02","guid":{"rendered":"https:\/\/lumous.devuloper.fi\/?page_id=10274"},"modified":"2025-08-18T12:29:58","modified_gmt":"2025-08-18T12:29:58","slug":"optics-and-light-distribution","status":"publish","type":"page","link":"https:\/\/lumous.fi\/en\/luminaries\/optics-and-light-distribution\/","title":{"rendered":"Optics and light distribution"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"10274\" class=\"elementor elementor-10274\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-85deea2 elementor-section-stretched prt-column-break-ipad-yes prt-col-stretched-none elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"85deea2\" data-element_type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-adf4d1b\" data-id=\"adf4d1b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-35b497a prt-align-left elementor-widget elementor-widget-tm_heading\" data-id=\"35b497a\" data-element_type=\"widget\" data-widget_type=\"tm_heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"prt-element-heading-content-wrapper left-align prt-reverse-heading-yes prt-seperator-style1  prt-heading-style-vertical \"><div class=\"prt-content-header\"><h2 class=\"prt-element-content-heading\">\n\t\t\t\tLuminaire optics\n\t\t\t<\/h2>\n\t\t<\/div><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8012cd9 elementor-widget elementor-widget-text-editor\" data-id=\"8012cd9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.14.0 - 26-06-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<div id=\"vjpd-1376\">Light distribution is the way the luminaire sheds light on its surrounding.<\/div><div>The light distribution files (LDT-files) are used in lighting design software such as DIALux.\u00a0The luminous intensity distributions are measured either on luminaire or LED module levels. The measurements have been conducted at the VTT Technical Research Centre of Finland and commercial enterprises. All tests have been conducted at room temperature.<\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d9bcbd1 prt-align-left elementor-widget elementor-widget-tm_heading\" data-id=\"d9bcbd1\" data-element_type=\"widget\" data-widget_type=\"tm_heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"prt-element-heading-content-wrapper left-align prt-reverse-heading-yes prt-seperator-style1  prt-heading-style-vertical \"><div class=\"prt-content-header\"><h2 class=\"prt-element-content-heading\">\n\t\t\t\tLDT files\n\t\t\t<\/h2>\n\t\t<\/div><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-40044b6 elementor-widget elementor-widget-text-editor\" data-id=\"40044b6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div id=\"vjpd-1376\">You can download the light distribution files from the links below. If the light distribution file you are looking for is not found below, you can send a delivery request to info@lumous.fi.<\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8b2df1f elementor-widget elementor-widget-text-editor\" data-id=\"8b2df1f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div id=\"vjpd-1376\"><div class=\"et_pb_column et_pb_column_1_3 et_pb_column_inner et_pb_column_inner_2\"><div class=\"et_pb_module et_pb_text et_pb_text_4 et_pb_text_align_left et_pb_bg_layout_light\"><div class=\"et_pb_text_inner\"><div id=\"vjpd-1597\"><h3>Street luminaires<\/h3><p>Ilkka street luminaire <a href=\"https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/VP1001.zip\">VP1001<\/a> (Zip file 1,3 Mt)<\/p><p>Ilma street luminaire <a href=\"https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/VP1011.zip\">VP1011<\/a> and <a href=\"https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/VP1011-HP.zip\">VP1011-HP<\/a> (Zip files 2,3 Mt and 1,8 Mt)<\/p><p>Ball street luminaire <a href=\"https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/VP1101.zip\">VP1101<\/a> (Zip file 10 kt) and <a href=\"https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/VP1102.zip\">VP1102<\/a> (Zip file 460 kt)<\/p><h3>Ceiling luminaires<\/h3><p>Ceiling luminaire <a href=\"https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/VP2101.zip\">VP2101<\/a> (Zip file 30 kt)<\/p><p>Ceiling luminaire <a href=\"https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/VP2102.zip\">VP2102<\/a> (Zip file 15 kt)<\/p><p>Bridge luminaire <a href=\"https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/VP2221.zip\">VP2221<\/a> (Zip file 86 kt)<\/p><p>Bridge luminaire <a href=\"https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/VP2223.zip\">VP2223<\/a> (Zip file 145 kt)<\/p><p>Bridge luminaire <a href=\"https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/VP2224.zip\">VP2224<\/a> (Zip file 126 kt)<\/p><\/div><\/div><\/div><\/div><div class=\"et_pb_column et_pb_column_1_3 et_pb_column_inner et_pb_column_inner_3 et-last-child\"><div class=\"et_pb_module et_pb_text et_pb_text_5 et_pb_text_align_left et_pb_bg_layout_light\"><div class=\"et_pb_text_inner\"><h3>Industrial luminaires<\/h3><p>Tornio Industrial Luminaire <a href=\"https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/VP2504.zip\">VP2504<\/a> (Zip file 92 kt)<\/p><h3>Floodlights<\/h3><p>Little-Jussi Floodlight <a href=\"https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/VP3233.zip\">VP3233<\/a> (Zip file 122 kt)<\/p><p>Jussi Floodlight <a href=\"https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/VP3511.zip\">VP3511<\/a> (Zip file 117 kt)<\/p><\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-58f6a31\" data-id=\"58f6a31\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0b9961c prt-align-left elementor-widget elementor-widget-tm_heading\" data-id=\"0b9961c\" data-element_type=\"widget\" data-widget_type=\"tm_heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"prt-element-heading-content-wrapper left-align  prt-seperator-solid  prt-heading-style-vertical \"><div class=\"prt-content-header\"><h3 class=\"prt-element-content-heading\">\n\t\t\t\tLumous optics\n\t\t\t<\/h3>\n\t\t<h6 class=\"prt-element-subheading\">\n\t\t\t\tClick image to enlarge and then double click  image\n\t\t\t<\/h6>\n\t\t<\/div><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-10ae570 prt-column-break-ipad-no prt-col-stretched-none elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"10ae570\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-a93fc9b prt-textcolor-skincolor\" data-id=\"a93fc9b\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c553854 elementor-widget elementor-widget-image\" data-id=\"c553854\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.14.0 - 26-06-2023 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/lumous.devuloper.fi\/wp-content\/uploads\/2023\/06\/optics.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"optics\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTAyNzgsInVybCI6Imh0dHBzOlwvXC9sdW1vdXMuZmlcL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjNcLzA2XC9vcHRpY3MucG5nIn0%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"2074\" height=\"2558\" src=\"https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/optics.png\" class=\"attachment-full size-full wp-image-10278\" alt=\"\" srcset=\"https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/optics.png 2074w, https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/optics-243x300.png 243w, https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/optics-830x1024.png 830w, https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/optics-768x947.png 768w, https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/optics-1245x1536.png 1245w, https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/optics-1660x2048.png 1660w, https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/optics-600x740.png 600w\" sizes=\"auto, (max-width: 2074px) 100vw, 2074px\" data-id=\"10278\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Luminaire optics Light distribution is the way the luminaire sheds light on its surrounding.The light distribution files (LDT-files) are used in lighting design software such as DIALux.\u00a0The luminous intensity distributions are measured either on luminaire or LED module levels. The measurements have been conducted at the VTT Technical Research Centre of Finland and commercial enterprises. &hellip; <a href=\"https:\/\/lumous.fi\/en\/luminaries\/optics-and-light-distribution\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Optics and light distribution<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2284,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-10274","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.10 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Optics and light distribution - Lumous Lighting<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lumous.fi\/valaisimet\/optiikka-ja-valonjako\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Optics and light distribution - Lumous Lighting\" \/>\n<meta property=\"og:description\" content=\"Luminaire optics Light distribution is the way the luminaire sheds light on its surrounding.The light distribution files (LDT-files) are used in lighting design software such as DIALux.\u00a0The luminous intensity distributions are measured either on luminaire or LED module levels. The measurements have been conducted at the VTT Technical Research Centre of Finland and commercial enterprises. &hellip; Continue reading Optics and light distribution\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lumous.fi\/valaisimet\/optiikka-ja-valonjako\/\" \/>\n<meta property=\"og:site_name\" content=\"Lumous Lighting\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/lumouslighting\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-18T12:29:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/optics.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lumous.fi\/valaisimet\/optiikka-ja-valonjako\/\",\"url\":\"https:\/\/lumous.fi\/valaisimet\/optiikka-ja-valonjako\/\",\"name\":\"Optics and light distribution - Lumous Lighting\",\"isPartOf\":{\"@id\":\"https:\/\/lumous.fi\/#website\"},\"datePublished\":\"2023-06-01T07:44:02+00:00\",\"dateModified\":\"2025-08-18T12:29:58+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/lumous.fi\/valaisimet\/optiikka-ja-valonjako\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/lumous.fi\/valaisimet\/optiikka-ja-valonjako\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/lumous.fi\/valaisimet\/optiikka-ja-valonjako\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/lumous.fi\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Luminaries\",\"item\":\"https:\/\/lumous.fi\/en\/luminaries\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Optics and light distribution\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/lumous.fi\/#website\",\"url\":\"https:\/\/lumous.fi\/\",\"name\":\"Lumous Lighting\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/lumous.fi\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Optics and light distribution - Lumous Lighting","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/lumous.fi\/valaisimet\/optiikka-ja-valonjako\/","og_locale":"en_US","og_type":"article","og_title":"Optics and light distribution - Lumous Lighting","og_description":"Luminaire optics Light distribution is the way the luminaire sheds light on its surrounding.The light distribution files (LDT-files) are used in lighting design software such as DIALux.\u00a0The luminous intensity distributions are measured either on luminaire or LED module levels. The measurements have been conducted at the VTT Technical Research Centre of Finland and commercial enterprises. &hellip; Continue reading Optics and light distribution","og_url":"https:\/\/lumous.fi\/valaisimet\/optiikka-ja-valonjako\/","og_site_name":"Lumous Lighting","article_publisher":"https:\/\/www.facebook.com\/lumouslighting","article_modified_time":"2025-08-18T12:29:58+00:00","og_image":[{"url":"https:\/\/lumous.fi\/wp-content\/uploads\/2023\/06\/optics.png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/lumous.fi\/valaisimet\/optiikka-ja-valonjako\/","url":"https:\/\/lumous.fi\/valaisimet\/optiikka-ja-valonjako\/","name":"Optics and light distribution - Lumous Lighting","isPartOf":{"@id":"https:\/\/lumous.fi\/#website"},"datePublished":"2023-06-01T07:44:02+00:00","dateModified":"2025-08-18T12:29:58+00:00","breadcrumb":{"@id":"https:\/\/lumous.fi\/valaisimet\/optiikka-ja-valonjako\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/lumous.fi\/valaisimet\/optiikka-ja-valonjako\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/lumous.fi\/valaisimet\/optiikka-ja-valonjako\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/lumous.fi\/en\/"},{"@type":"ListItem","position":2,"name":"Luminaries","item":"https:\/\/lumous.fi\/en\/luminaries\/"},{"@type":"ListItem","position":3,"name":"Optics and light distribution"}]},{"@type":"WebSite","@id":"https:\/\/lumous.fi\/#website","url":"https:\/\/lumous.fi\/","name":"Lumous Lighting","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/lumous.fi\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/lumous.fi\/en\/wp-json\/wp\/v2\/pages\/10274","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lumous.fi\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/lumous.fi\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/lumous.fi\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lumous.fi\/en\/wp-json\/wp\/v2\/comments?post=10274"}],"version-history":[{"count":3,"href":"https:\/\/lumous.fi\/en\/wp-json\/wp\/v2\/pages\/10274\/revisions"}],"predecessor-version":[{"id":11829,"href":"https:\/\/lumous.fi\/en\/wp-json\/wp\/v2\/pages\/10274\/revisions\/11829"}],"up":[{"embeddable":true,"href":"https:\/\/lumous.fi\/en\/wp-json\/wp\/v2\/pages\/2284"}],"wp:attachment":[{"href":"https:\/\/lumous.fi\/en\/wp-json\/wp\/v2\/media?parent=10274"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}