{"id":42287,"date":"2022-02-11T11:31:43","date_gmt":"2022-02-11T10:31:43","guid":{"rendered":"https:\/\/www.stelvision.com\/astro\/?post_type=product&p=42287"},"modified":"2026-03-30T17:59:51","modified_gmt":"2026-03-30T15:59:51","slug":"filtre-anti-pollution-lumineuse-uhc-astronomik","status":"publish","type":"product","link":"https:\/\/www.stelvision.com\/astro\/boutique\/filtre-anti-pollution-lumineuse-uhc-astronomik\/","title":{"rendered":"Filtre anti-pollution lumineuse UHC Astronomik"},"content":{"rendered":"

Ce filtre \u00ab\u00a0Ultra High Contrast\u00a0\u00bb noircit le fond de ciel et augmente sensiblement le contraste sur de nombreuses n\u00e9buleuses. Il permet ainsi de les observer m\u00eame sous un ciel d\u00e9grad\u00e9 par la pollution lumineuse. Si votre ciel n’est pas pollu\u00e9, ce filtre pourra aussi vous \u00eatre utile pour mieux percevoir les d\u00e9tails des n\u00e9buleuses gr\u00e2ce au renforcement du contraste. Les Dentelles du Cygne par exemple, bel ensemble de n\u00e9buleuses observables en \u00e9t\u00e9 dans la constellation du Cygne, se r\u00e9v\u00e8lent pleinement avec ce filtre.<\/p>\n

Le principe de fonctionnement est simple : le filtre laisse passer certaines longueurs d’ondes caract\u00e9ristiques des n\u00e9buleuses (O-III et H-b\u00eata) tout en bloquant les autres longueurs d’onde, en particulier la lumi\u00e8re parasite. Il noircit le fond de ciel et att\u00e9nue l’\u00e9clat des \u00e9toiles, tout en laissant passer la lumi\u00e8re sp\u00e9cifique des n\u00e9buleuses. Ces derni\u00e8res deviennent ainsi mieux visibles.<\/p>\n

Nous avons s\u00e9lectionn\u00e9 ce mod\u00e8le Astronomik, marque allemande tr\u00e8s r\u00e9put\u00e9e dans le domaine sp\u00e9cifique et exigeant des filtres interf\u00e9rentiels. C’est une garantie de performance et de durabilit\u00e9.<\/p>\n

Cet accessoire s’adapte sur tout oculaire au coulant standard 31,75 mm (1,25″). Convenant \u00e0 tout t\u00e9lescope ou lunette astronomique, nous le recommandons plut\u00f4t avec des instruments de diam\u00e8tre sup\u00e9rieur \u00e0 100 mm.<\/p>\n","protected":false},"excerpt":{"rendered":"

Ce filtre \u00ab\u00a0Ultra High Contrast\u00a0\u00bb noircit le fond de ciel et augmente sensiblement le contraste sur de nombreuses n\u00e9buleuses. Mod\u00e8le de la marque Astronomik, une r\u00e9f\u00e9rence dans ce domaine.<\/p>\n","protected":false},"featured_media":42389,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[127,377],"product_tag":[369],"class_list":{"0":"post-42287","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-telescopes-lunettes","7":"product_cat-soldes","8":"product_tag--notre-selection-pour-lete","9":"product_shipping_class-easyscope-oculaires-accessoires","11":"first","12":"outofstock","13":"taxable","14":"shipping-taxable","15":"purchasable","16":"product-type-simple"},"acf":[],"yoast_head":"\nFiltre anti-pollution lumineuse UHC Astronomik<\/title>\n<meta name=\"description\" content=\"Ce filtre UHC noircit le fond de ciel et augmente sensiblement le contraste sur de nombreuses n\u00e9buleuses.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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