{"id":132987,"date":"2025-09-10T17:39:43","date_gmt":"2025-09-10T15:39:43","guid":{"rendered":"https:\/\/riverdi.com\/blog\/luksy-a-lumeny-roznica-miedzy-luksami-a-lumenami"},"modified":"2025-09-10T17:39:43","modified_gmt":"2025-09-10T15:39:43","slug":"luksy-a-lumeny-roznica-miedzy-luksami-a-lumenami","status":"publish","type":"post","link":"https:\/\/riverdi.com\/pl\/blog\/luksy-a-lumeny-roznica-miedzy-luksami-a-lumenami","title":{"rendered":"Luksy a lumeny \u2013 r\u00f3\u017cnica mi\u0119dzy luksami a lumenami"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_87_1 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Prze\u0142\u0105cznik Spisu Tre\u015bci\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #002175;color:#002175\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #002175;color:#002175\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/riverdi.com\/pl\/blog\/luksy-a-lumeny-roznica-miedzy-luksami-a-lumenami\/#Definicje_luksa_i_lumenow\" >Definicje luksa i lumen\u00f3w<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/riverdi.com\/pl\/blog\/luksy-a-lumeny-roznica-miedzy-luksami-a-lumenami\/#Luks_%E2%80%93_natezenie_swiatla\" >Luks \u2013 nat\u0119\u017cenie \u015bwiat\u0142a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/riverdi.com\/pl\/blog\/luksy-a-lumeny-roznica-miedzy-luksami-a-lumenami\/#Lumen_%E2%80%93_strumien_swietlny\" >Lumen \u2013 strumie\u0144 \u015bwietlny<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/riverdi.com\/pl\/blog\/luksy-a-lumeny-roznica-miedzy-luksami-a-lumenami\/#Roznice_miedzy_luksami_a_lumenami\" >R\u00f3\u017cnice mi\u0119dzy luksami a lumenami<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/riverdi.com\/pl\/blog\/luksy-a-lumeny-roznica-miedzy-luksami-a-lumenami\/#Zastosowania_luksow_i_lumenow\" >Zastosowania luks\u00f3w i lumen\u00f3w<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/riverdi.com\/pl\/blog\/luksy-a-lumeny-roznica-miedzy-luksami-a-lumenami\/#Ocena_oswietlenia_powierzchni\" >Ocena o\u015bwietlenia powierzchni<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/riverdi.com\/pl\/blog\/luksy-a-lumeny-roznica-miedzy-luksami-a-lumenami\/#Porownanie_zrodel_swiatla\" >Por\u00f3wnanie \u017ar\u00f3de\u0142 \u015bwiat\u0142a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/riverdi.com\/pl\/blog\/luksy-a-lumeny-roznica-miedzy-luksami-a-lumenami\/#Wplyw_odleglosci_na_natezenie_oswietlenia_w_luksach\" >Wp\u0142yw odleg\u0142o\u015bci na nat\u0119\u017cenie o\u015bwietlenia w luksach<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/riverdi.com\/pl\/blog\/luksy-a-lumeny-roznica-miedzy-luksami-a-lumenami\/#Rozklad_swiatla_i_pomiary\" >Rozk\u0142ad \u015bwiat\u0142a i pomiary<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/riverdi.com\/pl\/blog\/luksy-a-lumeny-roznica-miedzy-luksami-a-lumenami\/#Metody_pomiarowe\" >Metody pomiarowe<\/a><\/li><\/ul><\/nav><\/div>\n<p>Wejd\u017a do pokoju i w\u0142\u0105cz \u015bwiat\u0142o: wydaje si\u0119 jasno, ale jak zmierzy\u0107 jasno\u015b\u0107? In\u017cynierowie o\u015bwietlenia nie polegaj\u0105 na domys\u0142ach ani intuicji \u2013 u\u017cywaj\u0105 precyzyjnych jednostek. Dwie najcz\u0119\u015bciej spotykane to luks i lumen. Terminy te cz\u0119sto pojawiaj\u0105 si\u0119 na opakowaniach lamp lub w planach o\u015bwietlenia architektonicznego, ale cz\u0119sto s\u0105 \u017ale rozumiane. Znajomo\u015b\u0107 r\u00f3\u017cnicy mi\u0119dzy nimi to nie tylko teoria \u2013 to podstawa dobrego projektowania w domach, biurach, fabrykach i przestrzeniach publicznych.    <\/p>\n<h2><span class=\"ez-toc-section\" id=\"Definicje_luksa_i_lumenow\"><\/span>Definicje luksa i lumen\u00f3w<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Luks_%E2%80%93_natezenie_swiatla\"><\/span>Luks \u2013 nat\u0119\u017cenie \u015bwiat\u0142a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Luks (lx)<\/strong> mierzy, ile \u015bwiat\u0142a faktycznie pada na powierzchni\u0119. Technicznie rzecz bior\u0105c, jeden luks to jeden lumen na metr kwadratowy. W praktyce luks pokazuje, jak dobrze o\u015bwietlony jest st\u00f3\u0142, pod\u0142oga czy stanowisko pracy. Na przyk\u0142ad:   <\/p>\n<ul>\n<li>W s\u0142oneczny dzie\u0144 na \u015bwie\u017cym powietrzu nat\u0119\u017cenie o\u015bwietlenia mo\u017ce osi\u0105gn\u0105\u0107 100 000 luks\u00f3w.<\/li>\n<li>Typowe biurko powinno by\u0107 o\u015bwietlone na poziomie oko\u0142o 500 luks\u00f3w.<\/li>\n<li>W salonie wystarczy zaledwie 100\u2013200 luks\u00f3w, \u017ceby czu\u0107 si\u0119 komfortowo.<\/li>\n<\/ul>\n<p>Lux to wi\u0119c miara nat\u0119\u017cenia o\u015bwietlenia \u2013 nie chodzi o to, ile \u015bwiat\u0142a wytwarza lampa, ale o to, jak du\u017c\u0105 jasno\u015b\u0107 postrzegamy w danym obszarze.<\/p>\n<p><a href=\"https:\/\/riverdi.com\/pl\/blog\/nity-lumeny-i-luminancja-jak-zrozumiec-wskazniki-jasnosci-wyswietlacza\"><img decoding=\"async\" class=\"size-full wp-image-126637 aligncenter\" src=\"https:\/\/riverdi.com\/wp-content\/uploads\/2025\/09\/POMIEDZY-TEKSTY_01-8.png\" alt=\"\" width=\"826\" height=\"480\" srcset=\"https:\/\/riverdi.com\/wp-content\/uploads\/2025\/09\/POMIEDZY-TEKSTY_01-8.png 826w, https:\/\/riverdi.com\/wp-content\/uploads\/2025\/09\/POMIEDZY-TEKSTY_01-8-300x174.png 300w, https:\/\/riverdi.com\/wp-content\/uploads\/2025\/09\/POMIEDZY-TEKSTY_01-8-768x446.png 768w, https:\/\/riverdi.com\/wp-content\/uploads\/2025\/09\/POMIEDZY-TEKSTY_01-8-600x349.png 600w, https:\/\/riverdi.com\/wp-content\/uploads\/2025\/09\/POMIEDZY-TEKSTY_01-8-64x37.png 64w\" sizes=\"(max-width: 826px) 100vw, 826px\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Lumen_%E2%80%93_strumien_swietlny\"><\/span>Lumen \u2013 strumie\u0144 \u015bwietlny<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Lumen (lm)<\/strong> to ca\u0142kowita ilo\u015b\u0107 \u015bwiat\u0142a emitowanego przez \u017ar\u00f3d\u0142o we wszystkich kierunkach. Pomy\u015bl o lumenach jak o surowej mocy \u017car\u00f3wki lub diody LED. Lampa o mocy 1000 lumen\u00f3w zawsze emituje 1000 lumen\u00f3w \u2013 ale to, jak jasno si\u0119 wydaje, zale\u017cy od odleg\u0142o\u015bci i rozk\u0142adu \u015bwiat\u0142a.  <\/p>\n<p>To w\u0142a\u015bnie dlatego wydajno\u015b\u0107 wyra\u017ca si\u0119 w <strong>lumenach na wat<\/strong> <strong>(lm\/W)<\/strong>\u2013 pokazuje to, jak skutecznie oprawa o\u015bwietleniowa przekszta\u0142ca energi\u0119 elektryczn\u0105 w \u015bwiat\u0142o widzialne.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Roznice_miedzy_luksami_a_lumenami\"><\/span>R\u00f3\u017cnice mi\u0119dzy luksami a lumenami<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>R\u00f3\u017cnica sprowadza si\u0119 do punktu widzenia:<\/p>\n<ul>\n<li>Lumeny to jednostka miary ilo\u015bci wytwarzanego \u015bwiat\u0142a.<\/li>\n<li>Luks mierzy, ile z tego \u015bwiat\u0142a faktycznie pada na dan\u0105 powierzchni\u0119.<\/li>\n<\/ul>\n<p>Na przyk\u0142ad lampa o strumieniu \u015bwietlnym 1000 lumen\u00f3w, o\u015bwietlaj\u0105ca powierzchni\u0119 1 m\u00b2, daje nat\u0119\u017cenie o\u015bwietlenia <strong>1000 luks\u00f3w<\/strong>. Ta sama lampa o\u015bwietlaj\u0105ca powierzchni\u0119 10 m\u00b2 rozprasza \u015bwiat\u0142o na wi\u0119kszym obszarze, daj\u0105c zaledwie 100 luks\u00f3w. Dlatego dwie lampy o identycznej warto\u015bci strumienia \u015bwietlnego mog\u0105 w praktyce sprawia\u0107 zupe\u0142nie inne wra\u017cenie \u2013 jedna mo\u017ce skupia\u0107 \u015bwiat\u0142o w w\u0105skim strumieniu, a druga rozprasza\u0107 je na wi\u0119kszym obszarze.  <\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-126642 aligncenter\" src=\"https:\/\/riverdi.com\/wp-content\/uploads\/2025\/09\/POMIEDZY-TEKSTY_02-4.png\" alt=\"\" width=\"826\" height=\"448\" srcset=\"https:\/\/riverdi.com\/wp-content\/uploads\/2025\/09\/POMIEDZY-TEKSTY_02-4.png 826w, https:\/\/riverdi.com\/wp-content\/uploads\/2025\/09\/POMIEDZY-TEKSTY_02-4-300x163.png 300w, https:\/\/riverdi.com\/wp-content\/uploads\/2025\/09\/POMIEDZY-TEKSTY_02-4-768x417.png 768w, https:\/\/riverdi.com\/wp-content\/uploads\/2025\/09\/POMIEDZY-TEKSTY_02-4-600x325.png 600w, https:\/\/riverdi.com\/wp-content\/uploads\/2025\/09\/POMIEDZY-TEKSTY_02-4-64x35.png 64w\" sizes=\"(max-width: 826px) 100vw, 826px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Zastosowania_luksow_i_lumenow\"><\/span>Zastosowania luks\u00f3w i lumen\u00f3w<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Ocena_oswietlenia_powierzchni\"><\/span>Ocena o\u015bwietlenia powierzchni<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Architekci, in\u017cynierowie i projektanci wn\u0119trz korzystaj\u0105 z jednostki \u201eluks\u201d, \u017ceby zapewni\u0107 odpowiednie o\u015bwietlenie ka\u017cdej strefy aktywno\u015bci. Blat kuchenny mo\u017ce wymaga\u0107 500\u2013600 luks\u00f3w, \u017ceby bezpiecznie przygotowywa\u0107 jedzenie, podczas gdy w korytarzu wystarczy zaledwie 100 luks\u00f3w. Przepisy i normy projektowe (takie jak EN 12464-1 w Europie) cz\u0119sto okre\u015blaj\u0105 wymagane poziomy nat\u0119\u017cenia o\u015bwietlenia dla miejsc pracy i przestrzeni publicznych.  <\/p>\n<h3><span class=\"ez-toc-section\" id=\"Porownanie_zrodel_swiatla\"><\/span>Por\u00f3wnanie \u017ar\u00f3de\u0142 \u015bwiat\u0142a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Producenci u\u017cywaj\u0105 lumen\u00f3w do opisania wydajno\u015bci produkt\u00f3w. \u017bar\u00f3wka LED o mocy 1500 lumen\u00f3w mo\u017ce zast\u0105pi\u0107 tradycyjn\u0105 \u017car\u00f3wk\u0119 o mocy 100 wat\u00f3w. Dzi\u0119ki temu lumeny s\u0105 kluczowym wska\u017anikiem przy por\u00f3wnywaniu energooszcz\u0119dno\u015bci i doborze odpowiedniej mocy \u017car\u00f3wki do danego pomieszczenia.  <\/p>\n<p><strong>Interpretacja wynik\u00f3w pomiar\u00f3w<\/strong><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Wplyw_odleglosci_na_natezenie_oswietlenia_w_luksach\"><\/span>Wp\u0142yw odleg\u0142o\u015bci na nat\u0119\u017cenie o\u015bwietlenia w luksach<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Im dalej \u015bwiat\u0142o si\u0119 rozchodzi, tym bardziej si\u0119 rozprasza i s\u0142abnie. Opisuje to prawo odwrotnych kwadrat\u00f3w: je\u015bli odleg\u0142o\u015b\u0107 od \u017ar\u00f3d\u0142a podwoisz, nat\u0119\u017cenie o\u015bwietlenia spada do jednej czwartej. Dlatego lampa sufitowa zawieszona trzy metry nad biurkiem wydaje si\u0119 s\u0142absza ni\u017c ta sama lampa zamontowana metr nad nim.  <\/p>\n<h3><span class=\"ez-toc-section\" id=\"Rozklad_swiatla_i_pomiary\"><\/span>Rozk\u0142ad \u015bwiat\u0142a i pomiary<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>K\u0105t wi\u0105zki \u015bwiat\u0142a te\u017c ma znaczenie. Reflektor punktowy i reflektor szerokok\u0105tny mog\u0105 emitowa\u0107 tak\u0105 sam\u0105 liczb\u0119 lumen\u00f3w, ale reflektor punktowy skupia je na ma\u0142ej powierzchni, daj\u0105c wysokie nat\u0119\u017cenie o\u015bwietlenia. Reflektor szerokok\u0105tny rozprasza \u015bwiat\u0142o na wi\u0119kszym obszarze, co obni\u017ca nat\u0119\u017cenie o\u015bwietlenia, ale pozwala o\u015bwietli\u0107 wi\u0119ksz\u0105 przestrze\u0144. Dobry projekt zapewnia r\u00f3wnowag\u0119 mi\u0119dzy strumieniem \u015bwietlnym a rozk\u0142adem \u015bwiat\u0142a, co pozwala uzyska\u0107 r\u00f3wnomierne i komfortowe o\u015bwietlenie.   <\/p>\n<h2><span class=\"ez-toc-section\" id=\"Metody_pomiarowe\"><\/span>Metody pomiarowe<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Poziom luks\u00f3w mierzy si\u0119 za <strong>pomoc\u0105 luksometru<\/strong>, czyli czujnika rejestruj\u0105cego \u015bwiat\u0142o padaj\u0105ce na powierzchni\u0119. In\u017cynierowie cz\u0119sto wykonuj\u0105 pomiary w wielu punktach, \u017ceby stworzy\u0107 map\u0119 o\u015bwietlenia i zapewni\u0107 r\u00f3wnomierny rozk\u0142ad \u015bwiat\u0142a. Natomiast lumeny mierzy si\u0119 zazwyczaj w kontrolowanych warunkach laboratoryjnych przy u\u017cyciu <strong>kuli integracyjnej<\/strong>, kt\u00f3ra przechwytuje ca\u0142e emitowane \u015bwiat\u0142o.  <\/p>\n<p><strong>Podsumowanie<\/strong><\/p>\n<p>Zrozumienie r\u00f3\u017cnicy mi\u0119dzy luksami a lumenami pozwala profesjonalistom \u2013 a nawet zwyk\u0142ym u\u017cytkownikom \u2013 podejmowa\u0107 lepsze decyzje. Lumeny m\u00f3wi\u0105 ci, ile \u015bwiat\u0142a wytwarza dane \u017ar\u00f3d\u0142o. Luksy pokazuj\u0105, jak dobrze to \u015bwiat\u0142o jest wykorzystywane w danym pomieszczeniu. Razem decyduj\u0105 o tym, czy pomieszczenie wydaje si\u0119 przytulne, czy miejsce pracy jest bezpieczne, czy te\u017c projekt architektoniczny prezentuje si\u0119 tak, jak powinien.   <\/p>\n<p>Potrzebujesz fachowej porady w zakresie projektowania o\u015bwietlenia lub pomiar\u00f3w? <a href=\"https:\/\/riverdi.com\/pl\/kontakt\"><span style=\"font-weight: 400;\">Skontaktuj si\u0119 z in\u017cynierami z Riverdi,<\/span><\/a> , aby uzyska\u0107 indywidualne wskaz\u00f3wki dotycz\u0105ce doboru odpowiedniego o\u015bwietlenia do Twojego projektu za pomoc\u0105 tailoringu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Wejd\u017a do pokoju i w\u0142\u0105cz \u015bwiat\u0142o: wydaje si\u0119 jasno, ale jak zmierzy\u0107 jasno\u015b\u0107? In\u017cynierowie o\u015bwietlenia nie polegaj\u0105 na domys\u0142ach ani intuicji \u2013 u\u017cywaj\u0105 precyzyjnych jednostek. Dwie najcz\u0119\u015bciej spotykane to luks i lumen. Terminy te cz\u0119sto pojawiaj\u0105 si\u0119 na opakowaniach lamp lub w planach o\u015bwietlenia architektonicznego, ale cz\u0119sto s\u0105 \u017ale rozumiane. Znajomo\u015b\u0107 r\u00f3\u017cnicy mi\u0119dzy nimi to [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":132992,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"categories":[5043],"tags":[],"class_list":["post-132987","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wyswietlacz-101"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Luksy a lumeny \u2013 r\u00f3\u017cnica mi\u0119dzy luksami a lumenami - Riverdi<\/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:\/\/riverdi.com\/pl\/blog\/luksy-a-lumeny-roznica-miedzy-luksami-a-lumenami\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Luksy a lumeny \u2013 r\u00f3\u017cnica mi\u0119dzy luksami a lumenami - Riverdi\" \/>\n<meta property=\"og:description\" content=\"Wejd\u017a do pokoju i w\u0142\u0105cz \u015bwiat\u0142o: wydaje si\u0119 jasno, ale jak zmierzy\u0107 jasno\u015b\u0107? In\u017cynierowie o\u015bwietlenia nie polegaj\u0105 na domys\u0142ach ani intuicji \u2013 u\u017cywaj\u0105 precyzyjnych jednostek. Dwie najcz\u0119\u015bciej spotykane to luks i lumen. Terminy te cz\u0119sto pojawiaj\u0105 si\u0119 na opakowaniach lamp lub w planach o\u015bwietlenia architektonicznego, ale cz\u0119sto s\u0105 \u017ale rozumiane. 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