{"id":2341,"date":"2011-09-10T21:21:56","date_gmt":"2011-09-10T19:21:56","guid":{"rendered":"http:\/\/www.philtronic.fr\/?p=2341"},"modified":"2011-09-10T21:21:56","modified_gmt":"2011-09-10T19:21:56","slug":"nikon-zoom-70-300vr-et-son-autofocus-bloque","status":"publish","type":"post","link":"https:\/\/philtronic.fr\/?p=2341","title":{"rendered":"Nikon Zoom 70-300VR et son autofocus bloqu\u00e9"},"content":{"rendered":"<p>\t\t\t\tUn client passe au magasin avec un joli zoom Nikon AF-S 70-300VR.<\/p>\n<figure id=\"attachment_2343\" aria-describedby=\"caption-attachment-2343\" style=\"width: 225px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/philtronic.fr\/wp-content\/uploads\/DSCN0704.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2343\" title=\"DSCN0704\" src=\"http:\/\/philtronic.fr\/wp-content\/uploads\/DSCN0704-225x300.jpg\" alt=\"Nikon AF-S VR 70-300  4.5-5.6\" width=\"225\" height=\"300\" \/><\/a><figcaption id=\"caption-attachment-2343\" class=\"wp-caption-text\">Nikon 70-300 en panne d&#39;autofocus<\/figcaption><\/figure>\n<p>Sur son boitier, l&rsquo;objectif n&rsquo;entraine pas la bague de mise au point. En manuel, le bague tourne sans aucun point dur. On essaye son objectif sur l&rsquo;un de nos boitiers, et c&rsquo;est le m\u00eame constat: la mise au point ne fonctionne pas.<\/p>\n<p>Je vais le d\u00e9monter pour voir ce qui cloche.<\/p>\n<figure id=\"attachment_2344\" aria-describedby=\"caption-attachment-2344\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/philtronic.fr\/wp-content\/uploads\/DSCN0705.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2344\" title=\"DSCN0705\" src=\"http:\/\/philtronic.fr\/wp-content\/uploads\/DSCN0705-300x225.jpg\" alt=\"Nikon AF-S VR 70-300  4.5-5.6\" width=\"300\" height=\"225\" \/><\/a><figcaption id=\"caption-attachment-2344\" class=\"wp-caption-text\">On commence par la ba\u00efonnette<\/figcaption><\/figure>\n<p>Puis<\/p>\n<figure id=\"attachment_2345\" aria-describedby=\"caption-attachment-2345\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/philtronic.fr\/wp-content\/uploads\/DSCN0706.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2345\" title=\"DSCN0706\" src=\"http:\/\/philtronic.fr\/wp-content\/uploads\/DSCN0706-300x225.jpg\" alt=\"Nikon AF-S VR 70-300  4.5-5.6\" width=\"300\" height=\"225\" \/><\/a><figcaption id=\"caption-attachment-2345\" class=\"wp-caption-text\">On commence \u00e0 voir l&#39;\u00e9lectronique<\/figcaption><\/figure>\n<p>Il faut d\u00e9monter encore un peu.<\/p>\n<figure id=\"attachment_2346\" aria-describedby=\"caption-attachment-2346\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/philtronic.fr\/wp-content\/uploads\/DSCN0707.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2346\" title=\"DSCN0707\" src=\"http:\/\/philtronic.fr\/wp-content\/uploads\/DSCN0707-300x225.jpg\" alt=\"Nikon AF-S VR 70-300  4.5-5.6\" width=\"300\" height=\"225\" \/><\/a><figcaption id=\"caption-attachment-2346\" class=\"wp-caption-text\">L\u00e0, cela commence \u00e0 \u00eatre s\u00e9rieux<\/figcaption><\/figure>\n<p>Dans un objectif, il y a du verre. Mais l\u00e0, ce que l&rsquo;on voit, c&rsquo;est de l&rsquo;\u00e9lectronique moderne. Il y a du silicium dans l&rsquo;\u00e9lectronique aussi.<\/p>\n<p>L&rsquo;autofocus du 70-300 AF-S est compos\u00e9 d&rsquo;un moteur annulaire que l&rsquo;on appelle chez Nikon \u00ab\u00a0SWM\u00a0\u00bb (Silent Wave Motor). Le moteur est \u00e0 la fois rapide, silencieux et l&rsquo;on peut faire tourner la bague \u00e0 la main sans forcer la m\u00e9canique.<\/p>\n<p>On continue de d\u00e9monter.<\/p>\n<p><a href=\"http:\/\/philtronic.fr\/wp-content\/uploads\/DSCN0708.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-2347\" title=\"DSCN0708\" src=\"http:\/\/philtronic.fr\/wp-content\/uploads\/DSCN0708-300x225.jpg\" alt=\"Nikon AF-S VR 70-300  4.5-5.6\" width=\"300\" height=\"225\" \/><\/a><\/p>\n<p>Encore un effort.<\/p>\n<figure id=\"attachment_2342\" aria-describedby=\"caption-attachment-2342\" style=\"width: 225px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/philtronic.fr\/wp-content\/uploads\/DSCN0709.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2342\" title=\"DSCN0709\" src=\"http:\/\/philtronic.fr\/wp-content\/uploads\/DSCN0709-225x300.jpg\" alt=\"Nikon AF-S VR 70-300  4.5-5.6\" width=\"225\" height=\"300\" \/><\/a><figcaption id=\"caption-attachment-2342\" class=\"wp-caption-text\">Vue sur le moteur d&#39;autofocus<\/figcaption><\/figure>\n<p>C&rsquo;est \u00e0 partir de l\u00e0 que commence la r\u00e9paration.<\/p>\n<p>On d\u00e9monte tr\u00e8s soigneusement et on remet les pi\u00e8ces dans le bon sens. Ici, le zoom a subit un\u00a0 choc et le moteur ne peut plus tourner. Pourtant ext\u00e9rieurement, on ne voyait pas de trace de choc important.<\/p>\n<p>On remonte et cela fonctionne de nouveau.<\/p>\n<p style=\"text-align: center;\">N\u2019h\u00e9sitez pas \u00e0 me\u00a0<a title=\"contact\" href=\"..\/?page_id=194\" target=\"_self\" rel=\"noopener\">contacter<\/a> si vous souhaitez r\u00e9parer un appareil.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un client passe au magasin avec un joli zoom Nikon AF-S 70-300VR. Sur son boitier, l&rsquo;objectif n&rsquo;entraine pas la bague de mise au point. En manuel, le bague tourne sans aucun point dur. On essaye son objectif sur l&rsquo;un de nos boitiers, et c&rsquo;est le m\u00eame constat: la mise au point ne fonctionne pas. Je &hellip; <a href=\"https:\/\/philtronic.fr\/?p=2341\" class=\"more-link\">Continuer la lecture<span class=\"screen-reader-text\"> de &laquo;&nbsp;Nikon Zoom 70-300VR et son autofocus bloqu\u00e9&nbsp;&raquo;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44,14],"tags":[71,81,112,166,174,177],"class_list":["post-2341","post","type-post","status-publish","format-standard","hentry","category-nikon-objectif","category-objectif","tag-70-300","tag-autofocus","tag-demontage","tag-mise-au-point","tag-nikon","tag-objectif-bloque"],"views":5378,"_links":{"self":[{"href":"https:\/\/philtronic.fr\/index.php?rest_route=\/wp\/v2\/posts\/2341","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/philtronic.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/philtronic.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/philtronic.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/philtronic.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2341"}],"version-history":[{"count":0,"href":"https:\/\/philtronic.fr\/index.php?rest_route=\/wp\/v2\/posts\/2341\/revisions"}],"wp:attachment":[{"href":"https:\/\/philtronic.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2341"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/philtronic.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2341"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/philtronic.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2341"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}