{"id":33728,"date":"2020-06-16T15:14:47","date_gmt":"2020-06-16T13:14:47","guid":{"rendered":"https:\/\/www.fotolab.cz\/blog\/?p=33728"},"modified":"2020-07-14T17:40:13","modified_gmt":"2020-07-14T15:40:13","slug":"fotografovani-chemickeho-ohne-a-prvku-periodicke-soustavy","status":"publish","type":"post","link":"https:\/\/www.fotolab.cz\/blog\/fotografovani-chemickeho-ohne-a-prvku-periodicke-soustavy\/","title":{"rendered":"Fotografov\u00e1n\u00ed chemick\u00e9ho ohn\u011b a&nbsp;prvk\u016f periodick\u00e9 soustavy"},"content":{"rendered":"<p><strong>Petr Jan Jura\u010dka p\u0159i\u0161el s&nbsp;netradi\u010dn\u00edm n\u00e1padem a&nbsp;p\u0159in\u00e1\u0161\u00ed nov\u00e9 video o&nbsp;fotografov\u00e1n\u00ed vybran\u00fdch prvk\u016f periodick\u00e9 tabulky. D\u00e1le si vyzkou\u0161el, jak\u00e9 v\u00fdsledky p\u0159inese nat\u00e1\u010den\u00ed &#8222;barevn\u00e9ho ohn\u011b&#8220; v&nbsp;chemick\u00e9 laborato\u0159i kamerou s&nbsp;frekvenc\u00ed 1&nbsp;000 sn\u00edmk\u016f za sekundu ve 4K. Pokud v\u00e1s zaj\u00edmaj\u00ed detaily, nev\u00e1hejte si video prohl\u00e9dnout. <\/strong><!--more--><\/p>\n<p class=\"Body\">Fotografie \u0159ekne v\u00edc, ne\u017e tis\u00edc slov. Video pak pov\u00ed v\u00edc, ne\u017e stovka fotek. Takhle m\u011b p\u0159i pr\u00e1ci zachytila Magdalena Fukanov\u00e1 z&nbsp;Czech Vibes, kter\u00e1 m\u011b p\u0159istihla nejen p\u0159i vlastn\u00edm focen\u00ed na fakult\u011b, ale tak\u00e9 p\u0159i zpracov\u00e1n\u00ed fotografi\u00ed, kter\u00e9 je zrovna v&nbsp;tomto projektu zcela z\u00e1sadn\u00ed. Mj. se uk\u00e1zalo, jak je n\u011bkdy dobr\u00e9 se o&nbsp;svou pr\u00e1ci pod\u011blit se sv\u011btem internetu. Na moji fotku ohn\u011b toti\u017e zareagovali chlapci z&nbsp;Timebreak.TV, kte\u0159\u00ed vlastn\u00ed a&nbsp;provozuj\u00ed rychlob\u011b\u017enou kameru. Vym\u011bnili jsme si p\u00e1r zpr\u00e1v, a&nbsp;nakonec tak m\u016f\u017eete ohe\u0148 vid\u011bt i&nbsp;v&nbsp;super-zpomalen\u00fdch z\u00e1b\u011brech. U\u017eijte si je!!<\/p>\n<div style=\"width: 640px;\" class=\"wp-video\"><!--[if lt IE 9]><script>document.createElement('video');<\/script><![endif]-->\n<video class=\"wp-video-shortcode\" id=\"video-33728-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/www.fotolab.cz\/video\/THIRD_CUT.mp4?_=1\" \/><a href=\"https:\/\/www.fotolab.cz\/video\/THIRD_CUT.mp4\">https:\/\/www.fotolab.cz\/video\/THIRD_CUT.mp4<\/a><\/video><\/div>\n<p><em> Zve\u0159ejn\u011bno s&nbsp;laskav\u00fdm svolen\u00edm <a href=\"https:\/\/cuni.cz\/UK-1.html\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Karlovy univerzity<\/strong><\/a> a&nbsp;<a href=\"https:\/\/www.facebook.com\/petrjanjuracka\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Petra J. Jura\u010dky<\/strong><\/a>.<br \/>\n<\/em><\/p>\n<figure id=\"attachment_33745\" aria-describedby=\"caption-attachment-33745\" style=\"width: 1400px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/Petr-Jan-Juracka.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-33745\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/Petr-Jan-Juracka.jpg\" alt=\"Petr Jan Jura\u010dka\" width=\"1400\" height=\"933\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/Petr-Jan-Juracka.jpg 1400w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/Petr-Jan-Juracka-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/Petr-Jan-Juracka-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/Petr-Jan-Juracka-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/Petr-Jan-Juracka-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/Petr-Jan-Juracka-740x493.jpg 740w\" sizes=\"(max-width: 1400px) 100vw, 1400px\" \/><\/a><figcaption id=\"caption-attachment-33745\" class=\"wp-caption-text\">Petr Jan Jura\u010dka<\/figcaption><\/figure>\n<blockquote>\n<h4>Sledujte na YT kan\u00e1lu CEWE FOTOLAB: <a href=\"https:\/\/youtu.be\/vhO7UxFaQYc?t=1245\" target=\"_blank\" rel=\"noopener noreferrer\">Rozhovor s&nbsp;Petrem J. Jura\u010dkou<\/a><\/h4>\n<\/blockquote>\n<p><iframe loading=\"lazy\" title=\"SPOU\u0160\u0164 #7| T\u00e9ma: Sv\u011btlo kreativn\u011b, host Petr Jan Jura\u010dka\" width=\"565\" height=\"318\" src=\"https:\/\/www.youtube.com\/embed\/vhO7UxFaQYc?start=1245&#038;feature=oembed&#038;enablejsapi=1&#038;origin=https:\/\/www.fotolab.cz\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<h2><strong>Fotografov\u00e1n\u00ed chemick\u00e9ho ohn\u011b<\/strong><\/h2>\n<p class=\"Body\">Fotit chemick\u00fd ohe\u0148 je na prvn\u00ed pohled podobn\u00e9 focen\u00ed u&nbsp;t\u00e1bor\u00e1ku. S&nbsp;t\u00edm rozd\u00edlem, \u017ee chemick\u00fd ohe\u0148 trv\u00e1 v\u00fdrazn\u011b krat\u0161\u00ed \u010das a&nbsp;\u010dlov\u011bk se p\u0159itom sna\u017e\u00ed o&nbsp;zachycen\u00ed hned n\u011bkolik r\u016fzn\u00fdch jev\u016f na jednou. Namixovat ho\u0159en\u00ed r\u016fzn\u00fdch prvk\u016f do jedn\u00e9 expozice je tak\u0159ka neprovediteln\u00e9, a&nbsp;proto jsem se rozhodl nechat fo\u0165\u00e1k na stativu a&nbsp;po\u0159\u00eddit vy\u0161\u0161\u00ed mno\u017estv\u00ed jednotliv\u00fdch sn\u00edmk\u016f za sebou &#8211; konkr\u00e9tn\u011b jich za hodinov\u00e9 focen\u00ed bylo 1764. Kam ale ost\u0159it? Plameny jako takov\u00e9 nemaj\u00ed ostr\u00e9 hrany a&nbsp;tak jsem zaost\u0159il manu\u00e1ln\u011b na okraj misky, z&nbsp;n\u00ed\u017e plameny \u0161lehaly. Omylem se mi povedlo p\u0159i vy\u0161\u0161\u00ed clon\u011b zachytit ost\u0159e i&nbsp;jiskry, kter\u00e9 d\u00e1vaj\u00ed cel\u00e9 fotce pocit spr\u00e1vn\u00e9ho zaost\u0159en\u00ed. Skoro v\u0161echny sn\u00edmky jsem fotil p\u0159i jednotn\u00e9m manu\u00e1ln\u00edm nastaven\u00ed s&nbsp;mal\u00fdmi odchylkami. Pou\u017eil jsem, jak jinak, bezzrcadlovku Nikon Z7.<\/p>\n<figure id=\"attachment_33746\" aria-describedby=\"caption-attachment-33746\" style=\"width: 2048px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_Fajrung_2020_NikonZ7_0221-Edit.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-33746 size-full\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_Fajrung_2020_NikonZ7_0221-Edit.jpg\" alt=\"Nikon Z7, 1\/8000, ISO 3200 V\u00fdsledn\u00e1 fotografie barevn\u00e9ho ohn\u011b: zelen\u00e1 - m\u011b\u010f, \u010derven\u00e1 - stroncium, fialov\u00e1 - lithium\" width=\"2048\" height=\"2048\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_Fajrung_2020_NikonZ7_0221-Edit.jpg 2048w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_Fajrung_2020_NikonZ7_0221-Edit-300x300.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_Fajrung_2020_NikonZ7_0221-Edit-150x150.jpg 150w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_Fajrung_2020_NikonZ7_0221-Edit-768x768.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_Fajrung_2020_NikonZ7_0221-Edit-1536x1536.jpg 1536w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_Fajrung_2020_NikonZ7_0221-Edit-370x370.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_Fajrung_2020_NikonZ7_0221-Edit-270x270.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_Fajrung_2020_NikonZ7_0221-Edit-740x740.jpg 740w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_Fajrung_2020_NikonZ7_0221-Edit-400x400.jpg 400w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_Fajrung_2020_NikonZ7_0221-Edit-350x350.jpg 350w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_Fajrung_2020_NikonZ7_0221-Edit-200x200.jpg 200w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_Fajrung_2020_NikonZ7_0221-Edit-51x51.jpg 51w\" sizes=\"(max-width: 2048px) 100vw, 2048px\" \/><\/a><figcaption id=\"caption-attachment-33746\" class=\"wp-caption-text\">Nikon Z7, 1\/8000, ISO 3200 V\u00fdsledn\u00e1 fotografie barevn\u00e9ho ohn\u011b: zelen\u00e1 &#8211; m\u011b\u010f, \u010derven\u00e1 &#8211; stroncium, fialov\u00e1 &#8211; lithium<\/figcaption><\/figure>\n<blockquote><p>V\u00fdsledn\u00fd sn\u00edmek ohn\u011b jsem slo\u017eil z&nbsp;t\u011bchto p\u011bti expozic po\u0159\u00edzen\u00fdch v&nbsp;n\u011bkolikaminutov\u00e9m intervalu. Jejich prolnut\u00ed p\u0159i tom byla ot\u00e1zka chvilky \u2013 sna\u017eit se o&nbsp;jakoukoliv manu\u00e1ln\u00ed \u010dinnost by v&nbsp;tomto p\u0159\u00edpad\u011b bylo kontraproduktivn\u00ed, a&nbsp;tak jsem se a\u017e na mal\u00e9 retu\u0161e sm\u00ed\u0159il s&nbsp;automatick\u00fdm prolnut\u00edm vrstev ve Photoshopu.<\/p><\/blockquote>\n<p><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-35056\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-2.jpg\" alt=\"Petr Jan Jura\u010dka \u2013 fotografov\u00e1n\u00ed chemick\u00e9ho ohn\u011b\" width=\"680\" height=\"680\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-2.jpg 900w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-2-300x300.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-2-150x150.jpg 150w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-2-768x768.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-2-370x370.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-2-270x270.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-2-740x740.jpg 740w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-2-400x400.jpg 400w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-2-350x350.jpg 350w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-2-200x200.jpg 200w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-2-51x51.jpg 51w\" sizes=\"(max-width: 680px) 100vw, 680px\" \/><\/a><\/p>\n<blockquote><p>P\u016fvodn\u011b jsme cht\u011bli fotit ohe\u0148 i&nbsp;s&nbsp;n\u00e1dobou, v&nbsp;n\u00ed\u017e vzplanul, tedy v&nbsp;chemick\u00e9m skle polo\u017een\u00e9m na trojno\u017ece, kterou jsem nav\u00edc sv\u00edtil odspodu mal\u00fdm LEDkov\u00fdm sv\u011btlem, aby byla \u010diteln\u00e1.<\/p><\/blockquote>\n<p><strong><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-3.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-35057\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-3.jpg\" alt=\"Petr Jan Jura\u010dka \u2013 fotografov\u00e1n\u00ed chemick\u00e9ho ohn\u011b\" width=\"680\" height=\"680\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-3.jpg 900w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-3-300x300.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-3-150x150.jpg 150w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-3-768x768.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-3-370x370.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-3-270x270.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-3-740x740.jpg 740w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-3-400x400.jpg 400w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-3-350x350.jpg 350w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-3-200x200.jpg 200w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-3-51x51.jpg 51w\" sizes=\"(max-width: 680px) 100vw, 680px\" \/><\/a><\/strong><\/p>\n<blockquote><p>Nakonec jsem se proto rozhodl pro ohe\u0148 z&nbsp;misky, kter\u00e1 nech\u00e1v\u00e1 v\u011bt\u0161\u00ed prostor samotn\u00fdm plamen\u016fm. Up\u0159\u00edmn\u011b &#8211; neb\u00fdt na\u0161ich chemik\u016f do takov\u00e9ho focen\u00ed bych se s\u00e1m nikdy nepustil.<\/p><\/blockquote>\n<p><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-35055\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-1.jpg\" alt=\"Petr Jan Jura\u010dka \u2013 fotografov\u00e1n\u00ed chemick\u00e9ho ohn\u011b\" width=\"680\" height=\"680\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-1.jpg 900w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-1-300x300.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-1-150x150.jpg 150w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-1-768x768.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-1-370x370.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-1-270x270.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-1-740x740.jpg 740w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-1-400x400.jpg 400w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-1-350x350.jpg 350w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-1-200x200.jpg 200w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/petr-juracka-chemicky-ohen-1-51x51.jpg 51w\" sizes=\"(max-width: 680px) 100vw, 680px\" \/><\/a><\/p>\n<h2><strong>Fotografov\u00e1n\u00ed vybran\u00fdch prvk\u016f periodick\u00e9 tabulky<\/strong><\/h2>\n<h3><strong>Chrom<\/strong><\/h3>\n<p class=\"Body\">Fotit chrom, je je p\u0159eci jasn\u00e1 no\u010dn\u00ed m\u016fra! Chrom se toti\u017e tak p\u0159\u00ed\u0161ern\u011b leskne! Jak na to? Up\u0159\u00edmn\u011b, nev\u00edm. V&nbsp;m\u00e9m pojet\u00ed se jednalo o&nbsp;experiment, kter\u00fd nakonec, zd\u00e1 se, vy\u0161el. Pou\u017eil jsem m\u011btrovou rozptylku, kterou jsem um\u00edstil (ch\u00e1pej &#8211; jeden z&nbsp;na\u0161ich student\u016f ji dr\u017eel) jen p\u00e1r centimetr\u016f nad samotn\u00fdm chromem. Pomoc\u00ed metod sk\u00e1dan\u00e9ho makra jsem nasn\u00edmal kompozi\u010dn\u011b hlavn\u00ed \u010d\u00e1st prvku, zat\u00edmco zbytek jsem pro pocit hloubky nechal neostr\u00fd.<\/p>\n<figure id=\"attachment_33738\" aria-describedby=\"caption-attachment-33738\" style=\"width: 1400px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Cr_3184.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-33738 size-full\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Cr_3184.jpg\" alt=\"Chrom (Cr 24)\" width=\"1400\" height=\"933\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Cr_3184.jpg 1400w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Cr_3184-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Cr_3184-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Cr_3184-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Cr_3184-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Cr_3184-740x493.jpg 740w\" sizes=\"(max-width: 1400px) 100vw, 1400px\" \/><\/a><figcaption id=\"caption-attachment-33738\" class=\"wp-caption-text\">Chrom (Cr 24)<\/figcaption><\/figure>\n<h3 class=\"Body\"><b>Praseodym<\/b><\/h3>\n<p class=\"Body\">Naopak u&nbsp;Praseodymu jsem p\u0159e\u0161el k&nbsp;opa\u010dn\u00e9 strategii &#8211; prost\u0159ed\u00ed prvku uk\u00e1zat. P\u0159eci jen &#8211; na\u0161e atmosf\u00e9ra je zna\u010dn\u011b reaktivn\u00ed a&nbsp;je f\u00e9r uk\u00e1zat alespo\u0148 na n\u011bkter\u00fdch sn\u00edmc\u00edch re\u00e1lnou podstatu v\u011bci, tedy to, \u017ee prvek je ve skute\u010dnosti uchov\u00e1n takov\u00fdm \u201cv\u011bze\u0148sk\u00fdm\u201d zp\u016fsobem.<\/p>\n<figure id=\"attachment_33740\" aria-describedby=\"caption-attachment-33740\" style=\"width: 1400px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Pr_0336.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-33740 size-full\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Pr_0336.jpg\" alt=\"Praseodym (Pr 59)\" width=\"1400\" height=\"933\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Pr_0336.jpg 1400w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Pr_0336-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Pr_0336-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Pr_0336-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Pr_0336-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Pr_0336-740x493.jpg 740w\" sizes=\"(max-width: 1400px) 100vw, 1400px\" \/><\/a><figcaption id=\"caption-attachment-33740\" class=\"wp-caption-text\">Praseodym (Pr 59)<\/figcaption><\/figure>\n<h3><strong>Bismut<\/strong><\/h3>\n<p>Bismut se fotil naopak skv\u011ble. Je to ob\u0159\u00ed struktura, kter\u00e1 d\u00edky sv\u00fdm rozm\u011br\u016fm nepot\u0159ebuje ani skl\u00e1d\u00e1n\u00ed r\u016fzn\u00fdch rovin ostrosti. Fotil jsem tak sv\u00fdm nejobl\u00edben\u011bj\u0161\u00edm zp\u016fsobem &#8211; z&nbsp;ruky a&nbsp;s&nbsp;extern\u00edmi makroblesky. Nastaven\u00ed je v&nbsp;takov\u00e9m p\u0159\u00edpad\u011b jednoduch\u00e9 &#8211; manu\u00e1l, ISO m\u00e1lo, clona hodn\u011b, \u010das kr\u00e1tk\u00fd \ud83d\ude42<\/p>\n<figure id=\"attachment_33737\" aria-describedby=\"caption-attachment-33737\" style=\"width: 1400px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Bi_3808.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-33737\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Bi_3808.jpg\" alt=\"Bismut\" width=\"1400\" height=\"933\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Bi_3808.jpg 1400w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Bi_3808-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Bi_3808-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Bi_3808-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Bi_3808-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_Bi_3808-740x493.jpg 740w\" sizes=\"(max-width: 1400px) 100vw, 1400px\" \/><\/a><figcaption id=\"caption-attachment-33737\" class=\"wp-caption-text\">Bismut (Bi 83)<\/figcaption><\/figure>\n<h3><strong>Jod<\/strong><\/h3>\n<p>Focen\u00ed je n\u011bkdy z&nbsp;nouze ctnost. Krystaly jodu jsou ve skute\u010dnosti velmi mal\u00e9 sra\u017eeniny na vnit\u0159n\u00ed stran\u011b sklen\u011bn\u00e9 ba\u0148ky, skrz jej\u00ed\u017e st\u011bnu jsem je fotil. P\u0159istoupil jsem tedy k&nbsp;metod\u011b high key a&nbsp;ne\u017e\u00e1douc\u00ed detaily ba\u0148ky i&nbsp;jej\u00edho uchycen\u00ed jsem rad\u011bji sprost\u011b p\u0159ep\u00e1lil.<\/p>\n<figure id=\"attachment_33739\" aria-describedby=\"caption-attachment-33739\" style=\"width: 1400px\" class=\"wp-caption aligncenter\"><a class=\"gridlove-popup-img\" href=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_I_5756.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-33739 size-full\" src=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_I_5756.jpg\" alt=\"\" width=\"1400\" height=\"933\" srcset=\"https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_I_5756.jpg 1400w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_I_5756-300x200.jpg 300w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_I_5756-768x512.jpg 768w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_I_5756-370x247.jpg 370w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_I_5756-270x180.jpg 270w, https:\/\/www.fotolab.cz\/blog\/wp-content\/uploads\/2020\/06\/PJJ_2020_TabulkaPrvku_I_5756-740x493.jpg 740w\" sizes=\"(max-width: 1400px) 100vw, 1400px\" \/><\/a><figcaption id=\"caption-attachment-33739\" class=\"wp-caption-text\">Jod (I&nbsp;53)<\/figcaption><\/figure>\n<div id=\"mc_embed_signup\">\n<form id=\"mc-embedded-subscribe-form\" class=\"validate\" action=\"https:\/\/fotolab.us15.list-manage.com\/subscribe\/post?u=fcde8f12d0cdee07ccddf62ab&amp;id=78aa1c9281\" method=\"post\" name=\"mc-embedded-subscribe-form\" novalidate=\"\" target=\"_blank\">\n<div id=\"mc_embed_signup_scroll\"><\/div>\n<div><\/div>\n<\/form>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Petr Jan Jura\u010dka p\u0159i\u0161el s&nbsp;netradi\u010dn\u00edm n\u00e1padem a&nbsp;p\u0159in\u00e1\u0161\u00ed nov\u00e9 video o&nbsp;fotografov\u00e1n\u00ed vybran\u00fdch prvk\u016f periodick\u00e9 tabulky. D\u00e1le si vyzkou\u0161el, jak\u00e9 v\u00fdsledky p\u0159inese nat\u00e1\u010den\u00ed &#8222;barevn\u00e9ho ohn\u011b&#8220; v&nbsp;chemick\u00e9 laborato\u0159i kamerou s&nbsp;frekvenc\u00ed 1&nbsp;000 sn\u00edmk\u016f za sekundu ve 4K. Pokud v\u00e1s zaj\u00edmaj\u00ed detaily, nev\u00e1hejte si video prohl\u00e9dnout.<\/p>\n","protected":false},"author":12,"featured_media":33742,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[559,18],"tags":[],"class_list":["post-33728","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fotolab-fotoradce","category-novinky"],"wppr_data":[],"_links":{"self":[{"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/posts\/33728"}],"collection":[{"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/comments?post=33728"}],"version-history":[{"count":10,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/posts\/33728\/revisions"}],"predecessor-version":[{"id":35060,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/posts\/33728\/revisions\/35060"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/media\/33742"}],"wp:attachment":[{"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/media?parent=33728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/categories?post=33728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fotolab.cz\/blog\/wp-json\/wp\/v2\/tags?post=33728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}