{"id":10004,"date":"2019-03-02T10:30:55","date_gmt":"2019-03-02T09:30:55","guid":{"rendered":"https:\/\/graphiste.com\/blog\/?p=10004"},"modified":"2025-08-20T17:17:18","modified_gmt":"2025-08-20T15:17:18","slug":"photographie-choisir-ratio-aspect","status":"publish","type":"post","link":"https:\/\/graphiste.com\/blog\/photographie-choisir-ratio-aspect\/","title":{"rendered":"Photographie\u00a0: comment choisir le bon ratio d\u2019aspect\u00a0?"},"content":{"rendered":"<p>Le ratio d\u2019aspect, ou format de l\u2019image, est une notion importante en photographie qu\u2019il convient de conna\u00eetre si vous voulez <a href=\"https:\/\/graphiste.com\/blog\/photographie-astuces-essentielles\" target=\"_blank\" rel=\"noopener noreferrer\">r\u00e9ussir vos clich\u00e9s<\/a>.<\/p>\n<p>Dans cet article, je vais vous expliquer concr\u00e8tement ce qu\u2019est ce fameux ratio d\u2019aspect et vous donner des pistes pour bien le choisir.<\/p>\n<h2>Qu\u2019est que le ratio d\u2019aspect&nbsp;?<\/h2>\n<p>Le ratio d\u2019aspect est \u00e0 l\u2019origine directement li\u00e9 \u00e0 la taille du capteur de votre appareil photo et d\u00e9termine ainsi la taille de votre image.<\/p>\n<p>Prenons un exemple. Si votre capteur fait 36 mm de long et 24 mm de hauteur, alors le ratio d\u2019aspect de votre image est 3:2. En effet, votre longueur est 1,5 fois plus grande que votre hauteur.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-10007 size-full\" src=\"https:\/\/graphiste.com\/blog\/wp-content\/uploads\/sites\/4\/2019\/02\/definition-ratio-photographie.jpg\" alt=\"Ratio d'aspect photographie\" width=\"600\" height=\"360\" \/><\/p>\n<p>Finalement, le ratio d\u2019aspect est le rapport entre la longueur et la hauteur de votre capteur.<\/p>\n<blockquote><p>La plupart des appareils d\u2019aujourd\u2019hui proposent diff\u00e9rents ratios vous permettant de prendre des photos carr\u00e9s, rectangulaires ou encore panoramiques.<\/p><\/blockquote>\n<p>De ce fait, m\u00eame si la taille de votre image est d\u00e9termin\u00e9e par celle de votre capteur, rien ne vous emp\u00eache de faire quelques petits changements.<\/p>\n<h2>Pourquoi changer le ratio d\u2019aspect&nbsp;?<\/h2>\n<p>En voil\u00e0 une bonne question&nbsp;!<\/p>\n<p>Choisir le bon ratio d\u2019aspect pour votre photographie est essentiel selon l\u2019endroit o\u00f9 va terminer votre clich\u00e9.<\/p>\n<p>Si vous avez par exemple l\u2019intention de poster votre photo sur Instagram, votre image devrait avoir un format carr\u00e9 (1:1).<\/p>\n<figure id=\"attachment_10008\" aria-describedby=\"caption-attachment-10008\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-10008 size-full\" src=\"https:\/\/graphiste.com\/blog\/wp-content\/uploads\/sites\/4\/2019\/02\/format-carre.jpg\" alt=\"Ratio 1:1 format carr\u00e9\" width=\"500\" height=\"498\" \/><figcaption id=\"caption-attachment-10008\" class=\"wp-caption-text\">Source&nbsp;: <a href=\"https:\/\/www.instagram.com\/accounts\/login\/?next=\/p\/BoURtvKhsdj\/\" target=\"_blank\" rel=\"noopener noreferrer\">montreal<\/a><\/figcaption><\/figure>\n<p>\u00c0 l\u2019inverse, si vous savez d\u2019avance que votre photo va \u00eatre imprim\u00e9e, vous devez r\u00e9fl\u00e9chir d\u00e8s le d\u00e9but \u00e0 son ratio. Une photographie en 3:2 ne peut pas \u00eatre imprim\u00e9e dans le m\u00eame format qu\u2019une photographie en 4:3.<\/p>\n<p>Si vous ne tenez pas compte du format d\u2019impression vous risquez de vous retrouver avec des bandes blanches sur les c\u00f4t\u00e9s.<\/p>\n<p>Enfin, selon le ratio d\u2019aspect que vous aurez choisi vous n\u2019allez pas composer votre photo de la m\u00eame mani\u00e8re. Vous ne mettrez pas les m\u00eames \u00e9l\u00e9ments sur un panorama que sur un format carr\u00e9.<\/p>\n<h2>Quels sont les principaux ratios d\u2019aspect&nbsp;?<\/h2>\n<p>Maintenant que vous comprenez l\u2019importance d\u2019adapter votre ratio d\u2019aspect, passons en revue les plus utilis\u00e9s et que vous risquez de rencontrer&nbsp;:<\/p>\n<ul>\n<li><strong>Le 1:1<\/strong>&nbsp;: ce format est devenu populaire gr\u00e2ce \u00e0 Instagram. Avec le ratio 1:1 votre image aura tout simplement la forme d\u2019un carr\u00e9.<\/li>\n<li><strong>Le 4:3<\/strong>&nbsp;: ce format est utilis\u00e9 sur les appareils ayant de petits capteurs tels que les smartphones et appareils photos compacts<\/li>\n<li><strong>Le 3:2<\/strong>&nbsp;: c\u2019est le format standard pour bon nombres d\u2019appareils photos<\/li>\n<li><strong>Le 16:9<\/strong>&nbsp;: du fait de sa longueur, ce format permet de faire des panoramiques et est souvent utilis\u00e9 pour photographier des paysages<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-10009 size-full\" src=\"https:\/\/graphiste.com\/blog\/wp-content\/uploads\/sites\/4\/2019\/02\/ratios-photographie.jpg\" alt=\"Ratios photographie\" width=\"600\" height=\"250\" \/><\/p>\n<p>Notez que le 3:2, le 4:3 et le 16:9 peuvent \u00eatre utilis\u00e9s \u00e0 la verticale ou \u00e0 l\u2019horizontale.<\/p>\n<h2>Quel ratio d\u2019aspect choisir&nbsp;?<\/h2>\n<p>Le choix de votre ratio d\u2019aspect d\u00e9pend de deux choses&nbsp;:<\/p>\n<ul>\n<li>Le type d\u2019appareil que vous utilisez<\/li>\n<li>Le <a href=\"https:\/\/graphiste.com\/blog\/reussir-photos-nourriture\" target=\"_blank\" rel=\"noopener noreferrer\">type de photographie<\/a> que vous souhaitez faire<\/li>\n<\/ul>\n<p>Concernant votre appareil il est important de conna\u00eetre la taille de votre capteur. Le ratio d\u2019aspect que vous choisissez ne doit pas exc\u00e9der celui proposer par votre capteur.<\/p>\n<p>Par exemple, si vous utilisez un appareil photo compact, restez dans les formats 1:1 ou 4:3. Au-del\u00e0 vous allez nuire \u00e0 la qualit\u00e9 de votre photographie.<\/p>\n<p>Le choix de votre ratio d\u2019aspect tient \u00e9galement compte du type de photo et de la cr\u00e9ativit\u00e9 dont vous voulez faire preuve.<\/p>\n<p>De mani\u00e8re g\u00e9n\u00e9rale, et comme nous l\u2019avons vu pr\u00e9c\u00e9demment, si vous souhaitez faire un panoramique alors vous choisirez le ratio 16:9. Si au contraire vous souhaitez poster sur Instagram vous choisirez le format 1:1.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-10010 size-full\" src=\"https:\/\/graphiste.com\/blog\/wp-content\/uploads\/sites\/4\/2019\/02\/panoramique.jpeg\" alt=\"Photo panoramique\" width=\"700\" height=\"290\" \/><\/p>\n<p>Mais pour aller plus loin, sachez que le format carr\u00e9 est id\u00e9al pour photographier des formes g\u00e9om\u00e9triques, <a href=\"https:\/\/graphiste.com\/blog\/photographier-portrait\" target=\"_blank\" rel=\"noopener noreferrer\">des portraits<\/a> et des \u00e9l\u00e9ments centr\u00e9s.<\/p>\n<figure id=\"attachment_10011\" aria-describedby=\"caption-attachment-10011\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-10011 size-full\" src=\"https:\/\/graphiste.com\/blog\/wp-content\/uploads\/sites\/4\/2019\/02\/format-carre-geometrie.jpg\" alt=\"Format carr\u00e9 g\u00e9om\u00e9trie\" width=\"500\" height=\"499\" \/><figcaption id=\"caption-attachment-10011\" class=\"wp-caption-text\">Source&nbsp;: <a href=\"https:\/\/www.instagram.com\/accounts\/login\/?next=\/p\/BrxsTdGl27l\/\" target=\"_blank\" rel=\"noopener noreferrer\">parisianfloors<\/a><\/figcaption><\/figure>\n<p>Le format panoramique peut quant \u00e0 lui donner un style cin\u00e9matographique \u00e0 votre image ou accentuer un effet visuel, notamment si vous avez des lignes diagonales par exemple.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-10012 size-full\" src=\"https:\/\/graphiste.com\/blog\/wp-content\/uploads\/sites\/4\/2019\/02\/panoramic-effet-visuel.jpg\" alt=\"Panoramique effet visuel\" width=\"700\" height=\"467\" \/><\/p>\n<p>Si vous pr\u00e9f\u00e9rez la simplicit\u00e9 vous pouvez rester dans les formats 3:2 et 4:3, mais comme je vous le disais faites attention au format de votre image lorsqu\u2019elle sera imprim\u00e9e.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le ratio d\u2019aspect, ou format de l\u2019image, est une notion importante en photographie qu\u2019il convient de conna\u00eetre si vous voulez r\u00e9ussir vos clich\u00e9s. Dans cet article, je vais vous expliquer concr\u00e8tement ce qu\u2019est ce fameux ratio d\u2019aspect et vous donner des pistes pour bien le choisir. Qu\u2019est que le ratio d\u2019aspect&nbsp;? Le ratio d\u2019aspect est [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":10013,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[14],"tags":[],"class_list":["post-10004","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-photographie"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Photographie\u00a0: comment choisir le bon ratio d\u2019aspect\u00a0? - Graphiste Blog<\/title>\n<meta name=\"description\" content=\"Le ratio d\u2019aspect, ou format de l\u2019image, est une notion importante en photographie qu\u2019il convient de conna\u00eetre si vous voulez r\u00e9ussir vos clich\u00e9s. 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