{"id":6612,"date":"2022-06-15T08:50:12","date_gmt":"2022-06-15T06:50:12","guid":{"rendered":"https:\/\/www.ipsi.cat\/elfil\/?p=6612"},"modified":"2022-06-15T08:55:26","modified_gmt":"2022-06-15T06:55:26","slug":"cambra-obscura-inicis-fotografia","status":"publish","type":"post","link":"https:\/\/www.ipsi.cat\/elfil\/cambra-obscura-inicis-fotografia\/","title":{"rendered":"Cambra obscura: els inicis de la fotografia"},"content":{"rendered":"\n<p>Fa molts i molts anys un invent va arribar a la vida dels artistes. Un invent que els permetia dibuixar amb molta precisi\u00f3 tot all\u00f2 que veien a trav\u00e9s d\u2019un forat. Per fer-ho necessitaven estar en una habitaci\u00f3 a les fosques i al forat hi posaven una lent. Tot all\u00f2 que passava a l\u2019altra banda de la lent, es projectava de forma invertida dins la cambra i l\u2019artista nom\u00e9s havia de representar-ho en el suport que despr\u00e9s es girava per tal que la imatge qued\u00e9s del dret.&nbsp;Era la cambra obscura.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"980\" height=\"735\" src=\"https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-00.jpg\" alt=\"\" class=\"wp-image-6613\" srcset=\"https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-00.jpg 980w, https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-00-300x225.jpg 300w, https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-00-768x576.jpg 768w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/><\/figure>\n\n\n\n<p>Amb el temps i la tecnologia, aquest invent es va aconseguir empetitir i es va crear la c\u00e0mera fotogr\u00e0fica, que capturava all\u00f2 que es veia a trav\u00e9s de la lent. Amb un paper emulsionat amb sals sensibles a la llum la imatge hi quedava \u201cimpresa\u201d al damunt. Llavors, es revelava aquest paper i ja no calia que l\u2019artista ho dibuix\u00e9s: una m\u00e0quina ho feia per ells!<\/p>\n\n\n\n<p>Quin invent, oi? Fins i tot costa d\u2019imaginar. Per aix\u00f2 vam proposar als alumnes de 6\u00e8 que construissin una cambra obscura, de manera que hi capiguessin a dins (com a m\u00ednim el cap). Aix\u00ed doncs, podrien entendre millor com funcionava l\u2019invent de primera m\u00e0.<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"490\" height=\"653\" src=\"https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-gal-01.jpg\" alt=\"Cambra obscura gal 01\" data-id=\"6622\" data-full-url=\"https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-gal-01.jpg\" data-link=\"https:\/\/www.ipsi.cat\/elfil\/?attachment_id=6622\" class=\"wp-image-6622\" srcset=\"https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-gal-01.jpg 490w, https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-gal-01-225x300.jpg 225w\" sizes=\"auto, (max-width: 490px) 100vw, 490px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"490\" height=\"653\" src=\"https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-gal-02.jpg\" alt=\"Cambra obscura gal 02\" data-id=\"6623\" data-full-url=\"https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-gal-02.jpg\" data-link=\"https:\/\/www.ipsi.cat\/elfil\/?attachment_id=6623\" class=\"wp-image-6623\" srcset=\"https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-gal-02.jpg 490w, https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-gal-02-225x300.jpg 225w\" sizes=\"auto, (max-width: 490px) 100vw, 490px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>\u00abQuin material necessitem? Quina mida ha de tenir? On hem de posar la pantalla perqu\u00e8 es vegi b\u00e9? Com la introduirem sense que es desmunti la cambra?\u00bb Preguntes com aquestes eren les que es plantejaven els alumnes. Una a una, dibuixant, prenent mides, dissenyant, muntant, desmuntant, movent, provant, modificant\u2026 les van anar responent. I aix\u00f2, com podeu imaginar, no es fa en un parell de dies. De fet, van dedicar-hi, ni m\u00e9s ni menys que 14 sessions de pl\u00e0stica \u2014incloent les de la prova final\u2014.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"980\" height=\"626\" src=\"https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-01.jpg\" alt=\"\" class=\"wp-image-6614\" srcset=\"https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-01.jpg 980w, https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-01-300x192.jpg 300w, https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-01-768x491.jpg 768w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/><\/figure>\n\n\n\n<p>\u00abA mi m\u2019ha encantat construir una cosa de zero\u00bb, comentava un alumne. \u00abTreballar tant de temps en equip i posar-nos d\u2019acord ha estat tot un repte\u00bb, explicava un altre. \u00abAl principi semblava que no ho aconseguir\u00edem, per\u00f2 quan va comen\u00e7ar a agafar forma ens vam motivar molt\u00bb, deia una alumna. \u00abVa ser tan emocionant el primer dia que vam comprovar que funcionava!\u00bb expressava una altra, encara amb la il\u00b7lusi\u00f3 als ulls.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"980\" height=\"605\" src=\"https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-02.jpg\" alt=\"Cambra obscura 02\" class=\"wp-image-6615\" srcset=\"https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-02.jpg 980w, https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-02-300x185.jpg 300w, https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-02-768x474.jpg 768w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/><\/figure>\n\n\n\n<p>Per\u00f2 aqu\u00ed no va acabar la cosa\u2026 Vam saber que a segon comen\u00e7aven a treballar els or\u00edgens del cinema i\u2026 Per qu\u00e8 no mostrar-los als alumnes com havien estat els inicis de la c\u00e0mera amb el nostre projecte? Aix\u00ed que fa uns dies vam anar a compartir-los la feina feta anant a la Placeta a provar-les. I, ho endevineu? Van al\u00b7lucinar! \u00abEl cel \u00e9s a terra!\u00bb \u00abHe vist una nena fent el pi!\u00bb, eren algunes expressions que deien en provar-les.<\/p>\n\n\n\n<p>De fet, un alumne de segon va recordar un documental que havia vist en el que deien que l\u2019ull feia un efecte similar a la cambra obscura i que era el cervell l\u2019encarregat de girar la imatge. I s\u00ed, tant els alumnes de sis\u00e8 com les mestres vam quedar bocabadats amb aquella aportaci\u00f3.<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"490\" height=\"309\" src=\"https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-gal11.jpg\" alt=\"Cambra obscura gal11\" data-id=\"6619\" data-full-url=\"https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-gal11.jpg\" data-link=\"https:\/\/www.ipsi.cat\/elfil\/?attachment_id=6619\" class=\"wp-image-6619\" srcset=\"https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-gal11.jpg 490w, https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-gal11-300x189.jpg 300w\" sizes=\"auto, (max-width: 490px) 100vw, 490px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"490\" height=\"309\" src=\"https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-gal-12.jpg\" alt=\"Cambra obscura gal 12\" data-id=\"6618\" data-full-url=\"https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-gal-12.jpg\" data-link=\"https:\/\/www.ipsi.cat\/elfil\/?attachment_id=6618\" class=\"wp-image-6618\" srcset=\"https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-gal-12.jpg 490w, https:\/\/www.ipsi.cat\/elfil\/wp-content\/uploads\/2022\/06\/Cambra-obscura-gal-12-300x189.jpg 300w\" sizes=\"auto, (max-width: 490px) 100vw, 490px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>\u00c9s en moments aix\u00ed quan s&#8217;ent\u00e9n la necessitat de l\u2019art per aprendre a mirar la vida diferent, amb uns altres ulls. I enriquir-nos-en.<\/p>\n\n\n\n<p>Les classes de 2n vam poder viure i veure com era una c\u00e0mera obscura gr\u00e0cies als alumnes de sis\u00e8, que van fer de mestres per una estona. Amb ells vam poder con\u00e8ixer i experimentar el seu funcionament. Posteriorment aquest aprenentatge vivencial l\u2019hem pogut aplicar a tot all\u00f2 que vam poder veure al <a href=\"https:\/\/museudelcinema.girona.cat\/cat\/index.php\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Museu del Cinema de Girona (s'obre en una nova pestanya)\">Museu del Cinema de Girona<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Cambra Fosca - prim\u00e0ria\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/otP-Hxh-JKA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>Si vols saber m\u00e9s sobre activitats d&#8217;Arts Visuals a Prim\u00e0ria, <a href=\"https:\/\/www.ipsi.cat\/elfil\/?s=plastica+a+prim%C3%A0ria\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"fes clic aqu\u00ed (s'obre en una nova pestanya)\">fes clic aqu\u00ed<\/a>\u2026!<br><\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Fa molts i molts anys un invent va arribar a la vida dels artistes. Un invent que els permetia dibuixar amb molta precisi\u00f3 tot all\u00f2 que veien a trav\u00e9s d\u2019un forat. Per fer-ho necessitaven estar en una habitaci\u00f3 a les fosques i al forat hi posaven una lent. Tot all\u00f2 que passava a l\u2019altra banda&#8230;<\/p>\n<p><a class=\"more-link\" href=\"https:\/\/www.ipsi.cat\/elfil\/cambra-obscura-inicis-fotografia\/\">Read More<\/a><\/p>","protected":false},"author":3,"featured_media":6620,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"wpupg_custom_link":[],"wpupg_custom_link_behaviour":[],"wpupg_custom_link_nofollow":[],"wpupg_custom_image":[],"wpupg_custom_image_id":[],"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[93,60],"tags":[81,86,90,140,178,360,391,39,65],"class_list":{"0":"post-6612","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-darreres-publicacions","8":"category-articles","9":"tag-ipsi","10":"tag-escola","11":"tag-arts-visuals","12":"tag-arts-plastiques","13":"tag-projectes","14":"tag-fotografia","15":"tag-comunicacio-audiovisual","16":"tag-primaria","17":"tag-alumnes","18":"entry"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - 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