{"id":505,"date":"2009-03-02T23:25:00","date_gmt":"2009-03-02T23:25:00","guid":{"rendered":"https:\/\/fervent-faraday.85-215-252-251.plesk.page\/?p=505"},"modified":"2026-05-05T12:14:45","modified_gmt":"2026-05-05T12:14:45","slug":"palliez-les-contraintes-de-la-lumiere","status":"publish","type":"post","link":"https:\/\/fervent-faraday.85-215-252-251.plesk.page\/?p=505","title":{"rendered":"Palliez les contraintes de la lumi\u00e8re !"},"content":{"rendered":"\n<div  style=\"text-align:center\"> <img decoding=\"async\" id=\"img-1239534-1616140\" src=\"https:\/\/fervent-faraday.85-215-252-251.plesk.page\/wp-content\/uploads\/2026\/05\/1239534-1616140-1.jpg\" alt=\"\" title=\"\" \/> <\/div>  <div > Pour compenser la faiblesse des petits capteurs en haute sensibilit\u00e9, les constructeurs ont baiss\u00e9 la d\u00e9finition de leurs APN : en associant 2 pixels adjacents, la source de photons est multipli\u00e9e par deux. Chaque \u201cdouble pixel\u201d re\u00e7oit ainsi plus de lumi\u00e8re, augmentant la sensibilit\u00e9. <br \/> <br \/> Pour compenser les grands \u00e9carts d\u2019exposition, Fuji a utilis\u00e9 le m\u00eame principe (baisser la d\u00e9finition), mais avec une petite diff\u00e9rence : une moiti\u00e9 des pixels est charg\u00e9e des hautes lumi\u00e8res, l\u2019autre moiti\u00e9 des basses. En fait, deux photos sont prises, puis associ\u00e9es pour donner une image \u00e9quilibr\u00e9e, avec une plage dynamique 8 fois sup\u00e9rieure \u00e0 celle d\u2019un mode classique. <br \/> <br \/> Le capteur Fuji Super CCD EXR compte 12 m\u00e9gapixels en mode normal et la moiti\u00e9 en modes Haute Sensibilit\u00e9 et Plage Dynamique \u00e9tendue. Il \u00e9quipe le FinePix F200EXR, 350 euros environ. <br \/> <br \/> <span style=\"font-style:italic\">Images test disponibles du Fuji FinePix F200EXR sur :<\/span> <a class=\"liens\" href=\"http:\/\/www.fujifilm.com\/products\/digital_cameras\/f\/finepix_f200exr\/sample_images\/index.html\">cliquez ici<\/a> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Faible luminosit\u00e9 ou \u00e9carts d\u2019exposition importants ? D\u00e9clenchez quand m\u00eame, le capteur s\u2019adapte pour donner une belle image\u2026<\/p>\n","protected":false},"author":1,"featured_media":709,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,2],"tags":[],"class_list":["post-505","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","category-materiel"],"_links":{"self":[{"href":"https:\/\/fervent-faraday.85-215-252-251.plesk.page\/index.php?rest_route=\/wp\/v2\/posts\/505","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fervent-faraday.85-215-252-251.plesk.page\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fervent-faraday.85-215-252-251.plesk.page\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fervent-faraday.85-215-252-251.plesk.page\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fervent-faraday.85-215-252-251.plesk.page\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=505"}],"version-history":[{"count":4,"href":"https:\/\/fervent-faraday.85-215-252-251.plesk.page\/index.php?rest_route=\/wp\/v2\/posts\/505\/revisions"}],"predecessor-version":[{"id":1009,"href":"https:\/\/fervent-faraday.85-215-252-251.plesk.page\/index.php?rest_route=\/wp\/v2\/posts\/505\/revisions\/1009"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fervent-faraday.85-215-252-251.plesk.page\/index.php?rest_route=\/wp\/v2\/media\/709"}],"wp:attachment":[{"href":"https:\/\/fervent-faraday.85-215-252-251.plesk.page\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fervent-faraday.85-215-252-251.plesk.page\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fervent-faraday.85-215-252-251.plesk.page\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}