[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.bjolly.cz\/vybojky-s-patici-d2s-pro-projektory\/#Article","mainEntityOfPage":"https:\/\/www.bjolly.cz\/vybojky-s-patici-d2s-pro-projektory\/","headline":"V\u00fdbojky s patic\u00ed D2s pro projektory","name":"V\u00fdbojky s patic\u00ed D2s pro projektory","description":"Popularita projektor\u016f za\u010dala nar\u016fstat teprve v posledn\u00edch n\u011bkolika letech, kdy jejich cena v\u00fdznamn\u011b poklesla. Kvalitn\u00ed v\u00fdrobek ji\u017e po\u0159\u00edd\u00edte za 3 tis\u00edce korun. Postupn\u011b se tedy mezi n\u00e1s navrac\u00ed obliba prom\u00edt\u00e1n\u00ed diapozitiv\u016f (v tomto p\u0159\u00edpad\u011b digit\u00e1ln\u00edch fotografi\u00ed) a rovn\u011b\u017e sledov\u00e1n\u00ed film\u016f \u010di textov\u00fdch prezentac\u00ed na projek\u010dn\u00edm pl\u00e1tn\u011b. Projektory vyu\u017e\u00edvaj\u00ed tzv. bodov\u00fd zdroj osv\u011btlen\u00ed, co\u017e je jeden […]","datePublished":"2018-06-14","dateModified":"2023-06-09","author":{"@type":"Person","@id":"https:\/\/www.bjolly.cz\/author\/#Person","name":"","url":"https:\/\/www.bjolly.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/06eaac2906ebd8f5abb4917f3140de1503ec690466d6a69c4ec202bf5b15537c?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/06eaac2906ebd8f5abb4917f3140de1503ec690466d6a69c4ec202bf5b15537c?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"bjolly.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.bjolly.cz\/wp-content\/uploads\/img_a318887_w2758_t1529744071.png","url":"https:\/\/www.bjolly.cz\/wp-content\/uploads\/img_a318887_w2758_t1529744071.png","height":0,"width":0},"url":"https:\/\/www.bjolly.cz\/vybojky-s-patici-d2s-pro-projektory\/","about":["V\u00fdrobky"],"wordCount":433,"articleBody":"        Popularita projektor\u016f za\u010dala nar\u016fstat teprve v posledn\u00edch n\u011bkolika letech, kdy jejich cena v\u00fdznamn\u011b poklesla. Kvalitn\u00ed v\u00fdrobek ji\u017e po\u0159\u00edd\u00edte za 3 tis\u00edce korun. Postupn\u011b se tedy mezi n\u00e1s navrac\u00ed obliba prom\u00edt\u00e1n\u00ed diapozitiv\u016f (v tomto p\u0159\u00edpad\u011b digit\u00e1ln\u00edch fotografi\u00ed) a rovn\u011b\u017e sledov\u00e1n\u00ed film\u016f \u010di textov\u00fdch prezentac\u00ed na projek\u010dn\u00edm pl\u00e1tn\u011b. Projektory vyu\u017e\u00edvaj\u00ed tzv. bodov\u00fd zdroj osv\u011btlen\u00ed, co\u017e je jeden z parametr\u016f osv\u011btlovac\u00ed techniky t\u011bchto p\u0159\u00edstroj\u016f. Podstatn\u00e1 je i \u00fa\u010dinnost sv\u011bteln\u00e9ho zdroje uv\u00e1d\u011bn\u00e1 v po\u010dtu lumen vzta\u017een\u00fdch k p\u0159\u00edkonu ve wattech. A nakonec hovo\u0159\u00edme o teplot\u011b chromati\u010dnosti, kdy n\u00edzk\u00e1 hodnota znamen\u00e1 tepl\u00e9 odst\u00edny (\u010dervenou, oran\u017eovou a \u017elutou), zat\u00edmco vysok\u00e1 pochopiteln\u011b zna\u010d\u00ed studen\u00e9 barvy (modrou, zelenou a fialovou). Nej\u010dast\u011bji vyu\u017e\u00edvan\u00e9 zdroje osv\u011btlen\u00ed projektor\u016f \u00b7 Xenonov\u00e9 v\u00fdbojky s patic\u00ed D2Smaj\u00ed \u00fa\u010dinnost p\u0159ibli\u017en\u011b 100 lm\/W a s teplotou chromati\u010dnosti relativn\u011b vysokou, zhruba 6000 K jsou obl\u00edben\u00fdm sv\u011bteln\u00fdm zdrojem. \u00b7 Halogenidov\u00e9 v\u00fdbojkymaj\u00ed pom\u011brn\u011b kr\u00e1tk\u00fd v\u00fdboj, t\u00e9m\u011b\u0159 srovnateln\u00fd s xenonovou v\u00fdbojkou. \u00da\u010dinnost t\u011bchto zdroj\u016f p\u0159esahuje 70 lm\/W, co\u017e je pom\u011brn\u011b hodn\u011b. \u017divotnost dosahuje a\u017e 20 tis\u00edc hodin, nev\u00fdhodou je v\u0161ak krat\u0161\u00ed provozn\u00ed doba. Podobn\u011b jako xenonov\u00e1 bodov\u00e1 sv\u011btla vy\u017eaduj\u00ed zvl\u00e1\u0161tn\u00ed p\u0159\u00edslu\u0161enstv\u00ed \u2013 tlumivku, start\u00e9r a kompenza\u010dn\u00ed kondenz\u00e1tor. I p\u0159es relativn\u011b vysok\u00e9 po\u0159izovac\u00ed ceny jsou tyto v\u00fdbojky D2S nejvyu\u017e\u00edvan\u011bj\u0161\u00ed. \u00b7 Halogenov\u00e9 \u017e\u00e1rovkymaj\u00ed pom\u011brn\u011b n\u00edzkou sv\u00edtivost zhruba 20 lm\/W, nejsou opat\u0159eny UV filtrem a maj\u00ed omezenou \u017eivotnost v \u0159\u00e1du des\u00edtek a\u017e stovek hodin. Hod\u00ed se pouze pro ob\u010dasn\u00e9 prom\u00edt\u00e1n\u00ed. \u00b7 Sod\u00edkov\u00e9 v\u00fdbojkys del\u0161\u00edm v\u00fdbojem a relativn\u011b velmi vysokou sv\u011btelnost\u00ed 70 \u2013 100 lm\/W vykazuj\u00ed velice dlouhou \u017eivotnost. Lze je zapojit do jak\u00e9koliv polohy v\u016f\u010di zdroji. Vy\u017eaduj\u00ed tlumivku, start\u00e9r a kondenz\u00e1tor. Vyu\u017e\u00edvaj\u00ed se u projektor\u016f pouze jako nouzov\u00e9 \u0159e\u0161en\u00ed kv\u016fli jejich velmi n\u00edzk\u00e9 teplot\u011b chromati\u010dnosti (2000 K). \u00b7 Rtu\u0165ov\u00e9 v\u00fdbojkymaj\u00ed pouze velmi n\u00edzkou \u00fa\u010dinnost a men\u0161\u00ed rozsah barevn\u00fdch teplot, z toho d\u016fvodu se vyu\u017e\u00edvaj\u00ed m\u00e9n\u011b \u010dasto. Nev\u00fdhodou je nebezpe\u010d\u00ed rozpt\u00fdlen\u00ed rtuti z vrstvy luminoforu p\u0159i po\u0161kozen\u00ed v\u00fdbojky, proto se s nimi mus\u00ed pracovat s nejvy\u0161\u0161\u00ed opatrnost\u00ed. \u00b7 \u017d\u00e1rovky jsou prakticky nepou\u017eiteln\u00e9 pro projektory, nemaj\u00ed pravideln\u011b uspo\u0159\u00e1dan\u00e9 sv\u011btlo a jejich \u00fa\u010dinnost kolem 10 lm\/W nen\u00ed pro tyto p\u0159\u00edstroje dosta\u010duj\u00edc\u00ed.                                                                                                                                                                                                                                                                                                                                                                                          3.5\/5 - (12 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"V\u00fdbojky s patic\u00ed D2s pro projektory","item":"https:\/\/www.bjolly.cz\/vybojky-s-patici-d2s-pro-projektory\/#breadcrumbitem"}]}]