{"id":13378,"date":"2026-02-02T09:14:21","date_gmt":"2026-02-02T08:14:21","guid":{"rendered":"https:\/\/deep-space-astronomy.ch\/?post_type=product&#038;p=13378"},"modified":"2026-02-02T09:14:36","modified_gmt":"2026-02-02T08:14:36","slug":"filtre-baader-nd-2-od-0-9-t12-5","status":"publish","type":"product","link":"https:\/\/deep-space-astronomy.ch\/en\/product\/filtre-baader-nd-2-od-0-9-t12-5\/","title":{"rendered":"Baader ND filter 2\u2033 OD 0.9 T=12.5%"},"content":{"rendered":"<h2>Baader ND filter 0.9 - 2\u2033 (Transmission 12.5 %)<\/h2>\n<p>Visit <strong>Baader ND 0.9 (OD 0.9) filter in 2\u2033 format<\/strong> is a high-quality neutral gray filter,<br \/>\ndesigned for <strong>reduce brightness<\/strong> without altering color or contrast.<br \/>\nWith a transmission of <strong>12,5\u00a0%<\/strong>, ideal for brightness control<br \/>\nin astronomical observation and imaging.<\/p>\n<p>Thanks to its <strong>multi-layer processing (multicoated)<\/strong>, this filter offers excellent<br \/>\noptical quality, limits stray reflections and preserves fine detail.<br \/>\nIt is ideal for use with <strong>standard 2\u2033<\/strong> with M48 thread.<\/p>\n<h3>Highlights<\/h3>\n<ul>\n<li>Effective brightness reduction without color dominance<\/li>\n<li>Balanced transmission 12.5 % (OD 0.9)<\/li>\n<li>Multilayer treatment for optimum contrast<\/li>\n<li>Format 2\u2033 standard with M48 thread<\/li>\n<li>Recognized optical quality Baader Planetarium<\/li>\n<\/ul>\n<h3>Applications<\/h3>\n<ul>\n<li>Astronomical observation requiring reduced brightness<\/li>\n<li>Imaging with sensitive sensors or highly luminous objects<\/li>\n<li>Combined use with other 2\u2033 filters<\/li>\n<\/ul>\n<h3>Technical specifications<\/h3>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"6\">\n<tbody>\n<tr>\n<td><strong>Application<\/strong><\/td>\n<td>Astrofilter<\/td>\n<\/tr>\n<tr>\n<td><strong>Filter type<\/strong><\/td>\n<td>Neutral gray filter (ND)<\/td>\n<\/tr>\n<tr>\n<td><strong>Optical density<\/strong><\/td>\n<td>OD 0.9<\/td>\n<\/tr>\n<tr>\n<td><strong>Transmission<\/strong><\/td>\n<td>12,5\u00a0%<\/td>\n<\/tr>\n<tr>\n<td><strong>Format<\/strong><\/td>\n<td>2\u2033<\/td>\n<\/tr>\n<tr>\n<td><strong>Mounting type<\/strong><\/td>\n<td>Screw filter<\/td>\n<\/tr>\n<tr>\n<td><strong>Thread<\/strong><\/td>\n<td>M48 (48 mm)<\/td>\n<\/tr>\n<tr>\n<td><strong>Treatment<\/strong><\/td>\n<td>Multilayer (multicoated)<\/td>\n<\/tr>\n<tr>\n<td><strong>Warranty<\/strong><\/td>\n<td>24 months<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Visit <strong>Baader ND 0,9 - 2\u2033<\/strong> is an indispensable accessory for controlling brightness<br \/>\nin demanding optical configurations, while maintaining faithful, high-contrast image reproduction<br \/>\nobserved details.<\/p>","protected":false},"excerpt":{"rendered":"<p>Filtre Baader ND 0,9 \u2013 2&Prime; (Transmission 12,5 %) Le filtre Baader ND 0,9 (OD 0,9) au format 2&Prime; est un filtre gris neutre de haute qualit\u00e9, con\u00e7u pour r\u00e9duire la luminosit\u00e9 sans alt\u00e9rer les couleurs ni le contraste. Avec une transmission de 12,5\u00a0%, il est id\u00e9al pour le contr\u00f4le de la luminosit\u00e9 en observation [&hellip;]<\/p>\n","protected":false},"featured_media":13379,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[624],"product_cat":[804,780],"product_tag":[],"class_list":{"0":"post-13378","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-baader","7":"product_cat-filtres-planetaires","8":"product_cat-filtres-bande-etroite","10":"first","11":"instock","12":"taxable","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product\/13378","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/comments?post=13378"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media\/13379"}],"wp:attachment":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media?parent=13378"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_brand?post=13378"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_cat?post=13378"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_tag?post=13378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}