{"id":292,"date":"2023-01-18T00:40:49","date_gmt":"2023-01-17T23:40:49","guid":{"rendered":"https:\/\/photographie-alternative.fr\/?p=292"},"modified":"2024-02-13T17:35:02","modified_gmt":"2024-02-13T16:35:02","slug":"chambre-4x5-sinar-norma","status":"publish","type":"post","link":"https:\/\/photographie-alternative.fr\/?p=292","title":{"rendered":"chambre 4&#215;5 Sinar Norma"},"content":{"rendered":"\n<p>Con\u00e7u dans les ann\u00e9es 1950, cette cam\u00e9ra au format 10&#215;12  (4&#215;5 inch) compl\u00e9tement modulable, est un bijou d&#8217;ingenieurie.<\/p>\n\n\n\n<p>Construite autour d&#8217;un rail tubulaire que l&#8217;on moduler en longueur.<\/p>\n\n\n\n<p>sur ce rail viens se positionner un support pour le pied, et de b\u00e2ti avant et arri\u00e8re qui se ressemble un peu. ces deux b\u00e2ti permettent le d\u00e9placement vertical, horizontal et la rotation de la platine. cette platine va recevoir indiff\u00e9remment un plaque porte objectif ou un dos. et entre un soufflet. on peut aussi rajouter un b\u00e2ti interm\u00e9diaire pour positionner un second soufflet pour augmenter le tirage et permettre des macro tr\u00e8s petite.<\/p>\n\n\n\n<p>Les soufflets sont de 3 types, conique, carr\u00e9 ou ballon. ce dernier est imp\u00e9ratif pour mettre des objectifs grand angle.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/04\/20230416_145130.jpg\" alt=\"\" class=\"wp-image-307\" width=\"347\" height=\"462\" srcset=\"https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/04\/20230416_145130.jpg 768w, https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/04\/20230416_145130-225x300.jpg 225w, https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/04\/20230416_145130-203x270.jpg 203w, https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/04\/20230416_145130-600x800.jpg 600w\" sizes=\"auto, (max-width: 347px) 100vw, 347px\" \/><\/figure>\n<\/div>\n\n\n<p>le dos le plus souvent utilis\u00e9, est un dos sprinback qui permet de recevoir un ch\u00e2ssis pour le film, ou des accessoires.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/01\/chassis-fidelity-elite-4x5-inch-occasion-1024x1024.jpg\" alt=\"\" class=\"wp-image-295\" width=\"360\" height=\"360\" srcset=\"https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/01\/chassis-fidelity-elite-4x5-inch-occasion-1024x1024.jpg 1024w, https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/01\/chassis-fidelity-elite-4x5-inch-occasion-300x300.jpg 300w, https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/01\/chassis-fidelity-elite-4x5-inch-occasion-150x150.jpg 150w, https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/01\/chassis-fidelity-elite-4x5-inch-occasion-768x768.jpg 768w, https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/01\/chassis-fidelity-elite-4x5-inch-occasion-270x270.jpg 270w, https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/01\/chassis-fidelity-elite-4x5-inch-occasion-600x600.jpg 600w, https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/01\/chassis-fidelity-elite-4x5-inch-occasion-800x800.jpg 800w, https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/01\/chassis-fidelity-elite-4x5-inch-occasion.jpg 1500w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/figure>\n<\/div>\n\n\n<p>les accessoires le plus souvent utilis\u00e9 : ch\u00e2ssis polaroid (obsol\u00e8te), ch\u00e2ssis roll film 120, num\u00e9rique.<\/p>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/01\/s-l300.jpg\" alt=\"\" class=\"wp-image-300\" width=\"407\" height=\"259\"\/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/04\/20230416_145638.jpg\" alt=\"\" class=\"wp-image-308\" srcset=\"https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/04\/20230416_145638.jpg 1024w, https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/04\/20230416_145638-300x225.jpg 300w, https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/04\/20230416_145638-768x576.jpg 768w, https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/04\/20230416_145638-360x270.jpg 360w, https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/04\/20230416_145638-600x450.jpg 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/04\/20230416_145653.jpg\" alt=\"\" class=\"wp-image-309\" width=\"356\" height=\"474\" srcset=\"https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/04\/20230416_145653.jpg 768w, https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/04\/20230416_145653-225x300.jpg 225w, https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/04\/20230416_145653-203x270.jpg 203w, https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2023\/04\/20230416_145653-600x800.jpg 600w\" sizes=\"auto, (max-width: 356px) 100vw, 356px\" \/><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<p>sur la plaquette objectif, on peut monter des objectif avec obturateur central, ou a l&#8217;arri\u00e8re du b\u00e2ti, monter un accessoire qui s&#8217;appelle un obturateur copal (cot\u00e9 soufflet) ce qui permet d&#8217;utiliser des objectifs beaucoup  moins cher (relatif quand m\u00eame), mais cet obturateur actuellement couter assez cher, et n\u00e9cessite imp\u00e9rativement un d\u00e9clencheur souple sp\u00e9cial qui s&#8217;il n&#8217;est pas avec l&#8217;obturateur, est quasi introuvable. Normalement un second d\u00e9clencheur relie le dos sprinback au copal pour permettre l&#8217;ouverture de r\u00e9glage de l&#8217;obturateur, et sa fermeture lors de l&#8217;introduction du ch\u00e2ssis. Tous les dos prinback ont cet embout filet pour ce c\u00e2ble ,et certains obturateur compur central ont cette prise aussi. Mais je n&#8217;ai pas trouv\u00e9 le c\u00e2ble&#8230;.<\/p>\n\n\n\n<p>Nous approfondiront dans autre article cette chambre. les d\u00e9centrement, les bascules, les films &#8230;<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Con\u00e7u dans les ann\u00e9es 1950, cette cam\u00e9ra au format 10&#215;12 (4&#215;5 inch) compl\u00e9tement modulable, est un bijou d&#8217;ingenieurie. Construite autour d&#8217;un rail tubulaire que l&#8217;on moduler en longueur. sur ce rail viens se positionner un support pour le pied, et de b\u00e2ti avant et arri\u00e8re qui se ressemble un peu. ces deux b\u00e2ti permettent le d\u00e9placement vertical, horizontal et la rotation de la platine. cette platine va recevoir indiff\u00e9remment un plaque porte objectif ou un dos. et entre un soufflet&#8230;.<\/p>\n<p class=\"read-more\"><a class=\"btn btn-default\" href=\"https:\/\/photographie-alternative.fr\/?p=292\"> Read More<span class=\"screen-reader-text\">  Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":352,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,1],"tags":[],"class_list":["post-292","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-appareils","category-defaut"],"featured_media_urls":{"thumbnail":["https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2024\/02\/20230416_145120F-150x150.jpg",150,150,true],"medium":["https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2024\/02\/20230416_145120F-300x225.jpg",300,225,true],"medium_large":["https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2024\/02\/20230416_145120F-768x576.jpg",640,480,true],"large":["https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2024\/02\/20230416_145120F-1024x768.jpg",640,480,true],"1536x1536":["https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2024\/02\/20230416_145120F-1536x1152.jpg",1536,1152,true],"2048x2048":["https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2024\/02\/20230416_145120F-2048x1536.jpg",2048,1536,true],"post-thumbnail":["https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2024\/02\/20230416_145120F-360x270.jpg",360,270,true],"nisarg-full-width":["https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2024\/02\/20230416_145120F-1038x576.jpg",1038,576,true],"portfolio_item-thumbnail":["https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2024\/02\/20230416_145120F-600x400.jpg",600,400,true],"portfolio_item-thumbnail@2x":["https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2024\/02\/20230416_145120F-1200x800.jpg",1200,800,true],"portfolio_item-masonry":["https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2024\/02\/20230416_145120F-600x450.jpg",600,450,true],"portfolio_item-masonry@2x":["https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2024\/02\/20230416_145120F-1200x900.jpg",1200,900,true],"portfolio_item-thumbnail_cinema":["https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2024\/02\/20230416_145120F-800x335.jpg",800,335,true],"portfolio_item-thumbnail_portrait":["https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2024\/02\/20230416_145120F-600x900.jpg",600,900,true],"portfolio_item-thumbnail_portrait@2x":["https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2024\/02\/20230416_145120F-1200x1800.jpg",1200,1800,true],"portfolio_item-thumbnail_square":["https:\/\/photographie-alternative.fr\/wp-content\/uploads\/2024\/02\/20230416_145120F-800x800.jpg",800,800,true]},"_links":{"self":[{"href":"https:\/\/photographie-alternative.fr\/index.php?rest_route=\/wp\/v2\/posts\/292","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/photographie-alternative.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/photographie-alternative.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/photographie-alternative.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/photographie-alternative.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=292"}],"version-history":[{"count":6,"href":"https:\/\/photographie-alternative.fr\/index.php?rest_route=\/wp\/v2\/posts\/292\/revisions"}],"predecessor-version":[{"id":314,"href":"https:\/\/photographie-alternative.fr\/index.php?rest_route=\/wp\/v2\/posts\/292\/revisions\/314"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/photographie-alternative.fr\/index.php?rest_route=\/wp\/v2\/media\/352"}],"wp:attachment":[{"href":"https:\/\/photographie-alternative.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/photographie-alternative.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=292"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/photographie-alternative.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}