{"id":107,"date":"2012-01-26T01:57:12","date_gmt":"2012-01-26T00:57:12","guid":{"rendered":"http:\/\/www.proof.de\/?p=107"},"modified":"2020-05-08T12:01:56","modified_gmt":"2020-05-08T10:01:56","slug":"lumina-standard-d50-sau-d50-sau-ce","status":"publish","type":"post","link":"https:\/\/www.proof.de\/ro\/normlicht-d50-oder-d50-oder-was\/","title":{"rendered":"Lumina standardizat\u0103 \u0219i efectul de metamerism"},"content":{"rendered":"<div class=\"kk-star-ratings kksr-auto kksr-align-right kksr-valign-top\" data-payload='{\"align\":\"right\",\"id\":\"107\",\"slug\":\"default\",\"valign\":\"top\",\"ignore\":\"\",\"reference\":\"auto\",\"class\":\"\",\"count\":\"0\",\"legendonly\":\"\",\"readonly\":\"\",\"score\":\"0\",\"starsonly\":\"\",\"best\":\"5\",\"gap\":\"5\",\"greet\":\"Jetzt bewerten\",\"legend\":\"0\\\/5 - (0 votes)\",\"size\":\"24\",\"title\":\"Normlicht und Metamerie-Effekt\",\"width\":\"0\",\"_legend\":\"{score}\\\/{best} - ({count} {votes})\",\"font_factor\":\"1.25\"}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            <span class=\"kksr-muted\">Evalua\u021bi acum<\/span>\n    <\/div>\n    <\/div>\n<p>A <a href=\"https:\/\/www.proof.de\/ro\/lexikon\/proof\/\" target=\"_self\" title=\"O prob\u0103 contractual\u0103 este un dispozitiv de testare certificat ISO 12647-7 pentru industria artelor grafice. O prob\u0103 simuleaz\u0103 coloritul imprim\u0103rii offset sau al imprim\u0103rii prin gravur\u0103 \u00een culori \u0219i \u00een mod obligatoriu din punct de vedere juridic, \u00een limitele toleran\u021belor \u00eenguste ale standardului ISO.\" class=\"encyclopedia\">Dovada<\/a> O prob\u0103 este la fel de bun\u0103 ca \u0219i iluminarea sub care este privit\u0103. Simplul fapt de a merge la fereastr\u0103 sau de a aprinde lumina la asfin\u021bit este inutil: \u00eentre decembrie \u0219i iulie, \u00eentre 8 diminea\u021ba \u0219i 8 seara, \u00eentre \u00eennorat \u0219i \u00eensorit, exist\u0103 o diferen\u021b\u0103 uria\u0219\u0103 \u00een ceea ce prive\u0219te iluminarea la fereastr\u0103, ceea ce face imposibil\u0103 orice evaluare a culorii. Iar dac\u0103 aprinde\u021bi lumina, \u00een mod normal aprinde\u021bi un bec cu 2700 <a href=\"https:\/\/www.proof.de\/ro\/lexikon\/kelvin\/\" target=\"_self\" title=\"Kelvin este o unitate de temperatur\u0103 absolut\u0103 utilizat\u0103 \u00een \u0219tiin\u021b\u0103. Lumina zilei este definit\u0103 ca fiind de 6500 Kelvin, iar pentru tip\u0103rirea \u00een Europa se aplic\u0103 o temperatur\u0103 de culoare de 5000 Kelvin pentru lumina standard D50.\" class=\"encyclopedia\">Kelvin<\/a> sau chiar mai r\u0103u: un bec cu economie de energie care cumva lumineaz\u0103 \u00een anumite spectre... un dezastru! \u00cen format tip\u0103rit<\/p>\n<p>Imprimarea este motivul pentru care <a href=\"https:\/\/www.proof.de\/ro\/lexikon\/metamerie\/\" target=\"_self\" title=\"Termenul de metamerism se refer\u0103 la faptul c\u0103 dou\u0103 lucruri pot ar\u0103ta la fel \u00eentr-o anumit\u0103 lumin\u0103, dar complet diferit \u00eentr-o alt\u0103 lumin\u0103.\" class=\"encyclopedia\">Metamerism<\/a>-Acest lucru se datoreaz\u0103 \u00een special diferitelor tehnologii de imprimare (pe scurt: faptul c\u0103 dou\u0103 culori arat\u0103 identic sub o lumin\u0103, dar complet diferit sub alta). Culorile care arat\u0103 la fel sub un bec pot ar\u0103ta brusc complet diferit sub un tub de neon.<\/p>\n<p>\u00cen ultimii ani <a href=\"https:\/\/www.proof.de\/ro\/lexikon\/digitalproofs\/\" target=\"_self\" title=\"Probele digitale (cunoscute corect sub denumirea de probe de contract) sunt un instrument de inspec\u021bie certificat ISO pentru industria artelor grafice. Probele digitale simuleaz\u0103 culoarea imprim\u0103rii offset sau a gravurii \u00een culori \u0219i \u00een mod obligatoriu din punct de vedere juridic, \u00een limitele toleran\u021belor \u00eenguste ale standardului ISO 12647-7. \u00cen prezent, acestea sunt calculate aproape exclusiv cu ajutorul unui RIP \u0219i apoi produse cu imprimante cu jet de cerneal\u0103 pe h\u00e2rtii speciale pentru probe.\" class=\"encyclopedia\">Probe digitale<\/a> pe baz\u0103 de cerneal\u0103 s-a impus \u00een sectorul probelor. Deoarece imprimarea se face cu cerneal\u0103, trebuie utilizat\u0103 h\u00e2rtie cretat\u0103 special\u0103, care nu seam\u0103n\u0103 deloc cu tirajul ulterior. Oricine a \u00eencercat vreodat\u0103 s\u0103 tip\u0103reasc\u0103 pe h\u00e2rtie cretat\u0103 lucioas\u0103 cu o imprimant\u0103 cu jet de cerneal\u0103 \u0219tie: cerneala nu dureaz\u0103 niciodat\u0103! Acesta este motivul pentru care metamerismul este \u00eentotdeauna implicat atunci c\u00e2nd o prob\u0103 este imprimat\u0103 cu o <a href=\"https:\/\/www.proof.de\/ro\/lexikon\/offsetdruck\/\" target=\"_self\" title=\"Imprimarea offset este un proces de imprimare indirect\u0103. Indirect \u00eenseamn\u0103 c\u0103 forma de tip\u0103rire \u0219i substratul nu intr\u0103 \u00een contact direct unul cu cel\u0103lalt, ci se folose\u0219te un suport ca mijloc de transfer. Este cel mai utilizat proces de imprimare. Exist\u0103: - prese de tip\u0103rire offset cu alimentare \u00een coli \u0219i - prese de tip\u0103rire offset cu band\u0103.\" class=\"encyclopedia\">Imprimare offset<\/a> ar trebui s\u0103 fie comparate.<\/p>\n<p>Lumina sub care sunt privite proba \u0219i tirajul de produc\u021bie este deosebit de important\u0103.<\/p>\n<p>ISO 3664 reglementeaz\u0103 iluminatul standardizat care este necesar pentru observarea <a href=\"https:\/\/www.proof.de\/ro\/lexikon\/proofs\/\" target=\"_self\" title=\"\u00cen sectorul tipografic, probele (sau testele de imprimare) se refer\u0103 la simularea exact\u0103 a culorilor \u0219i obligatorie din punct de vedere juridic a unui rezultat de imprimare \u00een scopul verific\u0103rii. Standardul responsabil cu probele este ISO 12647-7:2016, adic\u0103 revizuirea actual\u0103 din 2016.\" class=\"encyclopedia\">Dovezile<\/a> \u0219i imprimarea este important\u0103. Aceasta este <a href=\"https:\/\/www.proof.de\/ro\/lexikon\/d50\/\" target=\"_self\" title=\"D50 este lumina standard din industria tipografic\u0103. Probele pot fi prelevate cu precizie cromatic\u0103 numai \u00een lumina standard D50,\" class=\"encyclopedia\">D50<\/a> nu mai este D50: Comisia interna\u021bional\u0103 pentru iluminat CIE a revizuit ISO 3664 \u00een ultimii ani \u0219i l-a adaptat la circumstan\u021bele actuale. \u00cen timp ce componentele UV erau strict interzise, acestea fac acum parte din standard. \u00cen trecut, accentul se punea pe conformitatea diapozitivului \u0219i a imprim\u0103rii, \u00een timp ce ast\u0103zi este pus pe monitor, <a href=\"https:\/\/www.proof.de\/ro\/lexikon\/digitalproof\/\" target=\"_self\" title=\"O prob\u0103 contractual\u0103 este un dispozitiv de testare certificat ISO 12647-7 pentru industria artelor grafice. O prob\u0103 simuleaz\u0103 coloritul imprim\u0103rii offset sau al imprim\u0103rii prin gravur\u0103 \u00een culori \u0219i \u00een mod obligatoriu din punct de vedere juridic, \u00een limitele toleran\u021belor \u00eenguste ale standardului ISO.\" class=\"encyclopedia\">Dovada digital\u0103<\/a> \u0219i tip\u0103rirea offset sunt importante. Prin urmare, dovezile trebuie s\u0103 fie \u00eentotdeauna vizualizate \u00een standardul D50, astfel \u00eenc\u00e2t s\u0103 fie percepute cu adev\u0103rat \u201ecorecte din punct de vedere al culorii\u201c.<\/p>\n<p>Dac\u0103 dori\u021bi s\u0103 verifica\u021bi efectele metamerismului, func\u021bia<a title=\"Indicator de temperatur\u0103 a culorii UGRA\" href=\"https:\/\/www.ugra.ch\/produkt\/ugra-light-indicator-strip-d50\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Indicator luminos UGRA<\/a> recomandate. Aceste benzi pot fi utilizate pentru a verifica efectele metamerismului foarte rapid \u0219i clar.<\/p>","protected":false},"excerpt":{"rendered":"<p>O prob\u0103 este la fel de bun\u0103 ca \u0219i lumina sub care este privit\u0103. Simplul fapt de a merge la fereastr\u0103 sau de a aprinde lumina la asfin\u021bit este inutil: la fereastr\u0103, \u00eentre decembrie \u0219i iulie, \u00eentre 8 diminea\u021ba \u0219i 8 seara, \u00eentre \u00eennorat \u0219i \u00eensorit, exist\u0103 o diferen\u021b\u0103 uria\u0219\u0103 de iluminare care face imposibil\u0103 orice evaluare a culorii. Iar dac\u0103 aprinde\u021bi lumina, \u00een mod normal aprinde\u021bi un bec cu 2700 Kelvin - sau chiar mai r\u0103u: un bec cu economie de energie care str\u0103luce\u0219te cumva \u00eentr-un fel de spectru ... un dezastru! \u00cen print ... <\/p>\n<p class=\"read-more-container\"><a title=\"Lumina standardizat\u0103 \u0219i efectul de metamerism\" class=\"read-more button\" href=\"https:\/\/www.proof.de\/ro\/normlicht-d50-oder-d50-oder-was\/#more-107\" aria-label=\"Cite\u0219te mai multe despre Lumina standard \u0219i efectul metamerismului\">Cite\u0219te mai mult<\/a><\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[18,25,437,7,442],"tags":[533,277,1054,551,47,525],"class_list":["post-107","post","type-post","status-publish","format-standard","hentry","category-haufige-fragen","category-licht-und-normlicht","category-proof-software-und-technik","category-proof-wissen","category-prozessstandard-offsetdruck-proof-wissen","tag-d50","tag-farbtemperatur","tag-farbtemperatur-indikator","tag-metamerie","tag-normlicht-2","tag-ugra","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50","no-featured-image-padding"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.9 - aioseo.com -->\n\t<meta name=\"description\" content=\"Unter welchen Lichtbedingungen muss ein Proof eigentlich betrachtet werden? 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