{"id":43,"date":"2023-02-17T09:45:00","date_gmt":"2023-02-17T15:45:00","guid":{"rendered":"https:\/\/relativostudio.com\/blog\/?p=43"},"modified":"2023-02-14T21:48:52","modified_gmt":"2023-02-15T03:48:52","slug":"diafragma-obturacion-iso","status":"publish","type":"post","link":"https:\/\/relativostudio.com\/blog\/tips-tutorial\/diafragma-obturacion-iso\/","title":{"rendered":"Diafragma, Obturaci\u00f3n, ISO?"},"content":{"rendered":"\n<p>A continuaci\u00f3n, en Relativomedia explicaremos en este art\u00edculo unos t\u00e9rminos b\u00e1sicos indispensables en la fotograf\u00eda, para toda persona que inicia en este arte comience a entender a moverle a los par\u00e1metros que cualquier c\u00e1mara semi-profesional o profesional tiene.<br>Puedes configurar estos par\u00e1metros en tu c\u00e1mara desde el modo manual (importante), para que puedas combinarlos y experimentar lo que pueden hacer juntos.<\/p>\n\n\n\n<p>Estos tres conceptos b\u00e1sicos son:<\/p>\n\n\n\n<p><strong>VELOCIDAD DE OBTURACI\u00d3N<\/strong><\/p>\n\n\n\n<p>La velocidad de obturaci\u00f3n es justo eso, la velocidad en la que se abre y se cierra el obturador de una c\u00e1mara al realizar la fotograf\u00eda.<br>El obturador no es m\u00e1s que el dispositivo que regula el tiempo durante el cual le llega luz al sensor de tu c\u00e1mara.<br>La nomenclatura va en tiempo en fracciones de segundos, por ejemplo: 1\/60 sesenta partes de segundo, 1\/2 = medio segundo, 2&#8243; = dos segundos.<\/p>\n\n\n\n<p><strong>APERTURA DEL DIAFRAGMA<br><\/strong>La apertura del diafragma define el diametro del agujero por el que pasa la luz hacia el sensor de la c\u00e1mara. Se mide mediante una nomenclatura denominada n\u00fameros f como f2.8, f4, f10, etc. indicado en la parte externa de tu objetivo.<\/p>\n\n\n\n<p>Cuanto m\u00e1s abierto, m\u00e1s luz entrara como un f2.8 y menos tiempo necesitaremos que el diafragma est\u00e9 abierto para realizar la fotograf\u00eda (obturaci\u00f3n) y cuanto m\u00e1s cerrado, menos luz entrara, como un f8. Pero el hecho de usar una mayor o menor abertura afecta a la zona n\u00edtida y borrosa que se apreciar\u00e1 en nuestras fotos. Es lo que llamamos profundidad de campo. Esta profundidad de campo variara en combinaci\u00f3n con la apertura, distancia focal y la distancia a la que estemos del objeto a retratar.<\/p>\n\n\n\n<p><strong>ISO<\/strong><br>A diferencia de los anteriores conceptos, en donde se deja pasar naturalmente determinada cantidad de luz hacia el sensor de la c\u00e1mara. El ISO lo que hace es amplificar esta se\u00f1al de entrada de luz digitalmente. Con un ISO alto nos har\u00e1 tener mas luz en nuestra imagen, pero perderemos calidad (ruido en nuestra imagen).<br>La nomenclatura va por ejemplo: ISO 100, ISO 400, ISO 1200, ISO 1800, ISO 2000, etc..<br>Aqu\u00ed por ejemplo, un ISO 100 permite poca luz obteniendo muy buena calidad de imagen a comparaci\u00f3n de un ISO 2000 en donde entrar\u00e1 mucha m\u00e1s luz pero con mucho ruido en la imagen (baja calidad). Si usas una c\u00e1mara de tipo mirrorless este par\u00e1metro puedes subirlo a niveles altos, como un ISO 1400, 2500, etc. sin afectar tanto la calidad de nuestra imagen, caso contrario pasa al usar una c\u00e1mara con espejo de tipo DSLR en donde algunas ya manejando un ISO 800 comienza a verse mal la imagen y con ruido.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Es cuesti\u00f3n de echar manos a la obra, tomar tu c\u00e1mara y practicar mucho para llegar proyectar lo que quieres con ella.<\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>A continuaci\u00f3n, en Relativomedia explicaremos en este art\u00edculo unos t\u00e9rminos b\u00e1sicos indispensables en la fotograf\u00eda, para toda persona que inicia[&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":44,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[20,22,19,21],"class_list":["post-43","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tips-tutorial","tag-camara","tag-conceptos-de-fotografia","tag-mirrorless","tag-parametros"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Diafragma, Obturaci\u00f3n, ISO? 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