{"id":1421,"date":"2025-05-09T09:40:02","date_gmt":"2025-05-09T13:40:02","guid":{"rendered":"https:\/\/mgroleau.com\/wp2\/?p=1421"},"modified":"2025-05-10T16:24:46","modified_gmt":"2025-05-10T20:24:46","slug":"quelques-uns-de-mes-posemetres","status":"publish","type":"post","link":"https:\/\/mgroleau.com\/wp2\/2025\/05\/quelques-uns-de-mes-posemetres\/","title":{"rendered":"Quelques-uns de mes posem\u00e8tres\u2026"},"content":{"rendered":"<p>&nbsp;<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 66%; vertical-align: top;\"><style type='text\/css' id='flicgal-pro-dynamic-css-1420'>\r\n\t\t\t\t\t\t#flicgal_pro_1420 .flicgal-pro-gallery-container {\r\n\t\t\t\t\t\t\tmargin-left: -15px !important;\r\n\t\t\t\t\t\t\tmargin-right: -15px !important;\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t\t#flicgal_pro_1420 .flicgal-pro-gallery-item {\r\n\t\t\t\t\t\t\tpadding-left: 15px !important;\r\n\t\t\t\t\t\t\tpadding-right: 15px !important;\r\n\t\t\t\t\t\t\tmargin-bottom: 30px !important;\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t\t#flicgal_pro_1420 .flicgal-pro-img-thumbnail {\r\n\t\t\t\t\t\t\tpadding: 4px !important;\r\n\t\t\t\t\t\t\tborder: 1px solid #ddd !important;\r\n\t\t\t\t\t\t\twidth: 100% !important;\r\n\t\t\t\t\t\t\tdisplay: block !important;\r\n\t\t\t\t\t\t\theight: auto !important;\r\n\t\t\t\t\t\t\tobject-fit: cover !important;\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t\t#flicgal_pro_1420 .flicgal-pro-gallery-item {\r\n\t\t\t\t\t\t\tmargin-bottom: 20px;\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t\r\n\t\t\t\t\t\t\t#flicgal_pro_1420 .hvr-fade:hover, #flicgal_pro_1420 .hvr-fade:focus, #flicgal_pro_1420 .hvr-fade:active, #flicgal_pro_1420 .hvr-back-pulse:hover, #flicgal_pro_1420 .hvr-back-pulse:focus, #flicgal_pro_1420 .hvr-back-pulse:active { background-color: rgba(30, 140, 190, 0.5); }\r\n\t\t\t\t\t\t\t#flicgal_pro_1420 .hvr-sweep-to-right:before, #flicgal_pro_1420 .hvr-sweep-to-left:before, #flicgal_pro_1420 .hvr-sweep-to-bottom:before, #flicgal_pro_1420 .hvr-sweep-to-top:before { background: rgba(30, 140, 190, 0.5); }\r\n\t\t\t\t\t\t\t#flicgal_pro_1420 .hvr-bounce-to-right:before, #flicgal_pro_1420 .hvr-bounce-to-left:before, #flicgal_pro_1420 .hvr-bounce-to-bottom:before, #flicgal_pro_1420 .hvr-bounce-to-top:before { background: rgba(30, 140, 190, 0.5); }\r\n\t\t\t\t\t\t\t#flicgal_pro_1420 .hvr-radial-out:before, #flicgal_pro_1420 .hvr-radial-in, #flicgal_pro_1420 .hvr-rectangle-out:before, #flicgal_pro_1420 .hvr-rectangle-in { background: rgba(30, 140, 190, 0.5); }\r\n\t\t\t\t\t\t\t#flicgal_pro_1420 .hvr-shutter-out-horizontal:before, #flicgal_pro_1420 .hvr-shutter-out-vertical:before, #flicgal_pro_1420 .hvr-shutter-in-horizontal, #flicgal_pro_1420 .hvr-shutter-in-vertical { background: rgba(30, 140, 190, 0.5); }\r\n\t\t\t\t\t\t\t#flicgal_pro_1420 .hvr-border-fade:hover, #flicgal_pro_1420 .hvr-border-fade:focus, #flicgal_pro_1420 .hvr-border-fade:active { box-shadow: inset 0 0 0 4px #1E8CBE, 0 0 1px rgba(0,0,0,0); }\r\n\t\t\t\t\t\t\t#flicgal_pro_1420 .hvr-hollow { box-shadow: inset 0 0 0 4px #1E8CBE, 0 0 1px rgba(0,0,0,0); }\r\n\t\t\t\t\t\t\t#flicgal_pro_1420 .hvr-ripple-out:before, #flicgal_pro_1420 .hvr-ripple-in:before, #flicgal_pro_1420 .hvr-outline-out:before, #flicgal_pro_1420 .hvr-outline-in:before { border-color: #1E8CBE; }\r\n\t\t\t\t\t\t\t#flicgal_pro_1420 .hvr-underline-from-left:before, #flicgal_pro_1420 .hvr-underline-from-center:before, #flicgal_pro_1420 .hvr-underline-from-right:before, #flicgal_pro_1420 .hvr-underline-reveal:before { background: #1E8CBE; }\r\n\t\t\t\t\t\t\t#flicgal_pro_1420 .hvr-overline-from-left:before, #flicgal_pro_1420 .hvr-overline-from-center:before, #flicgal_pro_1420 .hvr-overline-from-right:before, #flicgal_pro_1420 .hvr-overline-reveal:before { background: #1E8CBE; }\r\n\t\t\t\t\t\t\t#flicgal_pro_1420 .b-animate-go .b-wrapper { background: rgba(30, 140, 190, 0.5) !important; }\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\t#blueimp-gallery-1420:not(.blueimp-gallery-display) {\r\n\t\t\t\t\t\t\tdisplay: none !important;\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t\t#blueimp-gallery-1420 .prev, #blueimp-gallery-1420 .next, #blueimp-gallery-1420 .close, #blueimp-gallery-1420 .play-pause, #blueimp-gallery-1420 .indicator {\r\n\t\t\t\t\t\t\tdisplay: none !important;\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t\t#blueimp-gallery-1420.blueimp-gallery-display .prev, \r\n\t\t\t\t\t\t#blueimp-gallery-1420.blueimp-gallery-display .next, \r\n\t\t\t\t\t\t#blueimp-gallery-1420.blueimp-gallery-display .close, \r\n\t\t\t\t\t\t#blueimp-gallery-1420.blueimp-gallery-display .play-pause, \r\n\t\t\t\t\t\t#blueimp-gallery-1420.blueimp-gallery-display .indicator {\r\n\t\t\t\t\t\t\tdisplay: block !important;\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t<\/style>\t\t\t\t\t<div class=\"flicgal-pro-gallery-wrapper gallery-1420\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"flicgal-pro-title\">Des posem\u00e8tres<\/h2>\r\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"flicgal-pro-row\" id=\"flicgal_pro_1420\">\r\n\t\t\t\t\t\t\t<div class=\"flicgal-pro-spinner-wrapper\">\r\n\t\t\t\t\t\t\t\t<div class=\"flicgal-pro-loading-img\"><img decoding=\"async\" src=\"https:\/\/mgroleau.com\/wp2\/wp-content\/plugins\/flickr-album-gallery-pro\/img\/4\" \/><\/div>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t<div class=\"flicgal-pro-gallery-container-wrapper\">\r\n\t\t\t\t\t\t\t\t<div class=\"flicgal-pro-gallery-container\"><\/div>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<!-- Blueimp fallback -->\r\n\t\t\t\t\t\t<div id=\"blueimp-gallery-1420\" class=\"blueimp-gallery blueimp-gallery-controls\">\r\n\t\t\t\t\t\t\t<div class=\"slides\"><\/div>\r\n\t\t\t\t\t\t\t<h3 class=\"title\"><\/h3>\r\n\t\t\t\t\t\t\t<a class=\"prev\">\u2039<\/a>\r\n\t\t\t\t\t\t\t<a class=\"next\">\u203a<\/a>\r\n\t\t\t\t\t\t\t<a class=\"close\">\u00d7<\/a>\r\n\t\t\t\t\t\t\t<a class=\"play-pause\"><\/a>\r\n\t\t\t\t\t\t\t<ol class=\"indicator\"><\/ol>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/td>\n<td style=\"width: 34%; vertical-align: top;\">\n<h2>Note<\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-size: 14pt;\">La plupart des posem\u00e8tres pr\u00e9sent\u00e9s ici utilisent des cellules au s\u00e9l\u00e9nium sauf le spotm\u00e8tre Pentax. Le probl\u00e8me des cellules au s\u00e9l\u00e9nium c&rsquo;est qu&rsquo;elles se d\u00e9t\u00e9riorent avec le temps, leurs avantages, car il y en avait, \u00e9taient qu&rsquo;elles ne requi\u00e8rent pas de piles et elles ont une grande lin\u00e9arit\u00e9. Les posem\u00e8tres \u00e0 pile utilisent des photor\u00e9sistances au sulfure de cadmium (CdS), comme le Pentax. Toutefois la pr\u00e9cision d\u00e9pend de la pile, depuis l&rsquo;abandon des piles au mercure qui avaient une grande stabilit\u00e9 tout au long de leur vie, les piles qui les remplacent, qui sont des piles alcalines, ne sont pas stables dans le temps et leur tension d\u00e9croit lentement. La solution, utilis\u00e9e dans plusieurs posem\u00e8tres plus modernes, est de partir d&rsquo;une tension plus \u00e9lev\u00e9e et de r\u00e9guler la tension avec l&rsquo;aide d&rsquo;une diode Zener ou un r\u00e9gulateur de tension, mais aucun ne vaut la stabilit\u00e9 d&rsquo;une pile \u00e0 mercure!<\/span><\/p>\n<p><a href=\"https:\/\/flic.kr\/s\/aHBqjCdqA1\" target=\"_blank\" rel=\"noopener\">Cliquez-ici pour atteindre l&rsquo;album original<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Note La plupart des posem\u00e8tres pr\u00e9sent\u00e9s ici utilisent des cellules au s\u00e9l\u00e9nium sauf le spotm\u00e8tre Pentax. Le probl\u00e8me des cellules au s\u00e9l\u00e9nium c&rsquo;est qu&rsquo;elles se d\u00e9t\u00e9riorent avec le temps, leurs avantages, car il y en avait, \u00e9taient qu&rsquo;elles ne requi\u00e8rent pas de piles et elles ont une grande lin\u00e9arit\u00e9. Les posem\u00e8tres \u00e0 pile utilisent&hellip;&nbsp;<a href=\"https:\/\/mgroleau.com\/wp2\/?flicgal_pro_gallery=des-posemetres\" rel=\"bookmark\">Lire la suite &raquo;<span class=\"screen-reader-text\">Des posem\u00e8tres<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":1423,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"off","neve_meta_content_width":70,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","ngg_post_thumbnail":0,"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[86,91,104],"tags":[],"class_list":["post-1421","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-allemagne","category-usa","category-posemetres"],"_links":{"self":[{"href":"https:\/\/mgroleau.com\/wp2\/wp-json\/wp\/v2\/posts\/1421","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mgroleau.com\/wp2\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mgroleau.com\/wp2\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mgroleau.com\/wp2\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/mgroleau.com\/wp2\/wp-json\/wp\/v2\/comments?post=1421"}],"version-history":[{"count":6,"href":"https:\/\/mgroleau.com\/wp2\/wp-json\/wp\/v2\/posts\/1421\/revisions"}],"predecessor-version":[{"id":1439,"href":"https:\/\/mgroleau.com\/wp2\/wp-json\/wp\/v2\/posts\/1421\/revisions\/1439"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mgroleau.com\/wp2\/wp-json\/wp\/v2\/media\/1423"}],"wp:attachment":[{"href":"https:\/\/mgroleau.com\/wp2\/wp-json\/wp\/v2\/media?parent=1421"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mgroleau.com\/wp2\/wp-json\/wp\/v2\/categories?post=1421"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mgroleau.com\/wp2\/wp-json\/wp\/v2\/tags?post=1421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}