{"id":2582,"date":"2025-03-06T15:24:00","date_gmt":"2025-03-06T14:24:00","guid":{"rendered":"https:\/\/deep-space-astronomy.geekworkers.dev\/produit\/newton-130-hnt-f-2-8\/"},"modified":"2025-06-03T10:38:09","modified_gmt":"2025-06-03T08:38:09","slug":"newton-130-hnt-f-2-8","status":"publish","type":"product","link":"https:\/\/deep-space-astronomy.ch\/en\/product\/newton-130-hnt-f-2-8\/","title":{"rendered":"Newton Askar Astrograph 130mm HNT-AL f\/2.8"},"content":{"rendered":"<h3>Sharpstar 13028HNT - Newtonian Hyperbolic<\/h3>\n<p>\nThe Sharpstar 13028HNT is an ultra-fast Newtonian hyperbolic telescope, designed for astronomers and astrophotographers looking for exceptional image quality in a compact, lightweight format. This model has won over a wide audience thanks to its impressive f\/2.8 focal ratio, combining creativity and dynamism for an uncompromising visual experience.\n<\/p>\n<h3>Advanced Optical Features<\/h3>\n<ul>\n<li><strong>Opening diameter :<\/strong> 130 mm<\/li>\n<li><strong>Focal length :<\/strong> 364 mm<\/li>\n<li><strong>Focal report :<\/strong> f\/2.8<\/li>\n<li><strong>Primary mirror type :<\/strong> Hyperbolic reflective mirror<\/li>\n<li><strong>Mirror material :<\/strong> PZ33 (similar to Pyrex glass) for high thermal stability<\/li>\n<li><strong>Corrector :<\/strong> Dual-element refractive lenses, including ED glass, for optimal aberration correction<\/li>\n<\/ul>\n<h3>Durable, lightweight design<\/h3>\n<ul>\n<li><strong>Carbon fiber tube :<\/strong> Made of high-quality carbon fiber for exceptional strength and lightness<\/li>\n<li><strong>Net weight :<\/strong> 3.2 kg<\/li>\n<li><strong>Gross weight :<\/strong> 4.3 kg (with protective cap, tube rings, handle and Vixen dovetail)<\/li>\n<\/ul>\n<h3>Tune-up and compatibility with accessories<\/h3>\n<ul>\n<li><strong>Focus at 2.5 inches:<\/strong> Rack and pinion, with fine and coarse adjustment knobs for fast, precise focusing<\/li>\n<li><strong>Thread :<\/strong> Compatibility with M63, with adapter to change to a larger M48x0.75 thread, facilitating the connection of various accessories<\/li>\n<li><strong>Standard back-focus :<\/strong> 55 mm from the base of the mounting thread for quick and easy use<\/li>\n<\/ul>\n<h3>Versatile mounting and accessories<\/h3>\n<ul>\n<li><strong>Versatile handle:<\/strong> Easy handling and installation on various equatorial mounts<\/li>\n<li><strong>Vixen-type dovetail :<\/strong> For easy, safe assembly<\/li>\n<li><strong>Compact design :<\/strong> Ideal for users looking for a powerful telescope in a small format<\/li>\n<\/ul>\n<h3>Technical Specifications<\/h3>\n<ul>\n<li><strong>Minor axis of secondary mirror :<\/strong> 65 mm<\/li>\n<li><strong>Field of view :<\/strong> 6.9 degrees<\/li>\n<li><strong>Resolution:<\/strong> 0.89 arcseconds<\/li>\n<li><strong>Limiting visual magnitude :<\/strong> 12.3<\/li>\n<li><strong>Tube outer diameter :<\/strong> 174 mm<\/li>\n<\/ul>\n<h3>Conclusion<\/h3>\n<p>\nThe Sharpstar 13028HNT represents the perfect blend of optical performance, build quality and light weight. With its hyperbolic mirror and f\/2.8 focal ratio, it is ideal for astronomy enthusiasts who want to capture sharp, detailed images with reduced exposure time.<\/p>","protected":false},"excerpt":{"rendered":"<p>Sharpstar 13028HNT &#8211; Hyperbolique Newtonien Le Sharpstar 13028HNT est un t\u00e9lescope newtonien hyperbolique ultra-rapide, con\u00e7u pour les astronomes et astrophotographes \u00e0 la recherche d\u2019une qualit\u00e9 d\u2019image exceptionnelle dans un format compact et l\u00e9ger. Ce mod\u00e8le a conquis un large public gr\u00e2ce \u00e0 son rapport focal impressionnant de f\/2.8, combinant cr\u00e9ativit\u00e9 et dynamisme pour une exp\u00e9rience [&hellip;]<\/p>\n","protected":false},"featured_media":2602,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[386],"product_cat":[747,816,392],"product_tag":[],"class_list":["post-2582","product","type-product","status-publish","has-post-thumbnail","product_brand-sharpstar","product_cat-newton","product_cat-nouveautes","product_cat-telescopes_reflecteurs","first","on_supplier","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product\/2582","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=2582"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media\/2602"}],"wp:attachment":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media?parent=2582"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_brand?post=2582"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_cat?post=2582"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_tag?post=2582"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}