{"id":13598,"date":"2026-02-22T17:10:02","date_gmt":"2026-02-22T16:10:02","guid":{"rendered":"https:\/\/deep-space-astronomy.ch\/?post_type=product&p=13598"},"modified":"2026-04-15T10:55:53","modified_gmt":"2026-04-15T08:55:53","slug":"ls50tha-b400rp","status":"publish","type":"product","link":"https:\/\/deep-space-astronomy.ch\/en\/product\/ls50tha-b400rp\/","title":{"rendered":"LS50THa\/B400R&P (New standard \u2264 0.35 \u00c5)"},"content":{"rendered":"

50 mm H-alpha solar telescope - B400 blocking filter & Rack & Pinion eyepiece holder<\/h2>\n

This 50 mm H-alpha solar telescope<\/strong> is dedicated to detailed observation of the solar chromosphere in the H-alpha line (656.28 nm). Thanks to its larger aperture than 40 mm models, it offers a significant gain in resolution<\/strong> and in brightness<\/strong>, The result is an even finer picture of the Sun's dynamic phenomena.<\/p>\n

This version is equipped with a B400 blocking filter<\/strong> and a rack & pinion eyepiece holder<\/strong>, for stable, precise focusing.<\/p>\n

\n

H-alpha solar observation<\/h3>\n

Optimized to isolate the H-alpha band, this system makes it possible to observe :<\/p>\n

    \n
  • Spectacular protuberances at the edge of the disc<\/li>\n
  • Dark filaments and magnetic structures<\/li>\n
  • High-contrast fine surface details<\/li>\n
  • Daily evolution of solar activity<\/li>\n<\/ul>\n

    The 50mm aperture provides better detail separation and higher contrast.<\/p>\n

    \n

    B400 blocking filter<\/h3>\n

    Visit blocking filter B400<\/strong> ensures totally secure solar observation by allowing only the useful H-alpha band to pass through.<\/p>\n

      \n
    • Optimized transmission for the H-alpha line<\/li>\n
    • 1.25\u2033 accessory-compatible format<\/li>\n
    • Configuration for visual observation<\/li>\n<\/ul>\n
      \n

      Rack & Pinion eyepiece holder<\/h3>\n

      Visit rack and pinion focuser<\/strong> provides smooth, rigid focusing without slippage. It provides excellent accessory retention and mechanical stability.<\/p>\n

        \n
      • Precise, stable focus<\/li>\n
      • Robust design<\/li>\n
      • 1.25\u2033 accessory compatibility<\/li>\n<\/ul>\n
        \n

        Key features<\/h3>\n\n\n\n\n\n\n\n
        Type<\/strong><\/td>\nH-alpha solar telescope<\/td>\n<\/tr>\n
        Opening<\/strong><\/td>\n50 mm<\/td>\n<\/tr>\n
        Blocking filter<\/strong><\/td>\nB400<\/td>\n<\/tr>\n
        Lens holder<\/strong><\/td>\nRack & Pinion<\/td>\n<\/tr>\n
        Compatibility<\/strong><\/td>\nAccessories 1.25\u2033<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
        \n

        Why choose this version?<\/h3>\n
          \n
        • Improved resolution compared with 40 mm models<\/li>\n
        • Detailed and secure H-alpha observation<\/li>\n
        • Stable, comfortable focus<\/li>\n
        • Compact, portable instrument<\/li>\n<\/ul>\n

          Visit 50 mm H-alpha solar telescope with B400 filter and Rack & Pinion eyepiece holder<\/strong> is a powerful, well-balanced solution for exploring and tracking solar activity with precision.<\/p>","protected":false},"excerpt":{"rendered":"

          T\u00e9lescope solaire H-alpha 50 mm \u2013 Filtre bloquant B400 & Porte-oculaire Rack & Pinion Ce t\u00e9lescope solaire H-alpha de 50 mm est d\u00e9di\u00e9 \u00e0 l\u2019observation d\u00e9taill\u00e9e de la chromosph\u00e8re solaire dans la raie H-alpha (656,28 nm). Gr\u00e2ce \u00e0 son ouverture sup\u00e9rieure aux mod\u00e8les 40 mm, il offre un gain sensible en r\u00e9solution et en luminosit\u00e9, […]<\/p>\n","protected":false},"featured_media":13597,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[880],"product_cat":[642,643],"product_tag":[],"class_list":{"0":"post-13598","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-lunt-solar-systems","7":"product_cat-materiel-pour-lobservation-solaire","8":"product_cat-lunettes-solaires","10":"first","11":"on_supplier","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\/13598","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=13598"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media\/13597"}],"wp:attachment":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media?parent=13598"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_brand?post=13598"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_cat?post=13598"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_tag?post=13598"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}