{"id":83,"date":"2005-02-06T02:18:00","date_gmt":"2005-02-06T02:18:00","guid":{"rendered":"http:\/\/www.shiromi.com\/cgi-bin\/blosxom.cgi\/photography\/200502061118.html"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T16:00:00","slug":"lequilibre-de-la-lumiere","status":"publish","type":"post","link":"https:\/\/shiromi.com\/blog\/2005\/02\/06\/lequilibre-de-la-lumiere\/","title":{"rendered":"L&#8217;\u00c3\u00a9quilibre de la lumi\u00c3\u00a8re"},"content":{"rendered":"<p><a href=\"http:\/\/www.shiromi.com\/gallery\/justit\/CRW_8139\"><img decoding=\"async\" class=\"left\" src=\"http:\/\/www.shiromi.com\/gallery\/albums\/justit\/CRW_8139.thumb.jpg\" title=\"Japanese door handle\" alt=\"Japanese door handle\" \/><\/a>Une photo d&#8217;une <a href=\"http:\/\/www.shiromi.com\/gallery\/justit\/CRW_8139\">poign\u00c3\u00a9e de porte japonaise<\/a>, simple mais efficace pour illustrer la <a href=\"http:\/\/www.shiromi.com\/blog\/2005\/01\/16#200501162355\">technique de calibration<\/a> de la balance des blancs pour un appareil num\u00c3\u00a9rique.<\/p>\n<p>J&#8217;ai en effet fait acquisition hier de trois cartes de gris qui refl\u00c3\u00a8tent la lumi\u00c3\u00a8re \u00c3\u00a0 18%, pour la modique somme de 1680\u00e5\u2020\u2020 (auxquels il faut retrancher les points de biiique bique bique bic-ca-me-ra).  Quand j&#8217;y pense, je me demande pourquoi je n&#8217;ai pas fait \u00c3\u00a7a plus t\u00c3\u00b4t: c&#8217;est incroyable de payer une fortune pour un appareil num\u00c3\u00a9rique et ses objectifs et avoir des couleurs compl\u00c3\u00a8tement d\u00c3\u00a9cal\u00c3\u00a9es, alors qu&#8217;une simple calibration restitue les vraies couleurs.<\/p>\n<p>Cette <a href=\"http:\/\/www.shiromi.com\/gallery\/justit\/CRW_8139\">photo<\/a> a en fait \u00c3\u00a9t\u00c3\u00a9 prise en int\u00c3\u00a9rieur, \u00c3\u00a0 la lumi\u00c3\u00a8re d&#8217;une lampe tungst\u00c3\u00a8ne, qui aurait certainement rendu la photo compl\u00c3\u00a8tement jaune, si j&#8217;avais utilis\u00c3\u00a9 le mode automatique de l&#8217;appareil.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une photo d&#8217;une poign\u00c3\u00a9e de porte japonaise, simple mais efficace pour illustrer la technique de calibration de la balance des blancs pour un appareil num\u00c3\u00a9rique. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-83","post","type-post","status-publish","format-standard","hentry","category-photo"],"_links":{"self":[{"href":"https:\/\/shiromi.com\/blog\/wp-json\/wp\/v2\/posts\/83","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/shiromi.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shiromi.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shiromi.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shiromi.com\/blog\/wp-json\/wp\/v2\/comments?post=83"}],"version-history":[{"count":0,"href":"https:\/\/shiromi.com\/blog\/wp-json\/wp\/v2\/posts\/83\/revisions"}],"wp:attachment":[{"href":"https:\/\/shiromi.com\/blog\/wp-json\/wp\/v2\/media?parent=83"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shiromi.com\/blog\/wp-json\/wp\/v2\/categories?post=83"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shiromi.com\/blog\/wp-json\/wp\/v2\/tags?post=83"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}