{"id":2645,"date":"2025-03-06T15:34:30","date_gmt":"2025-03-06T14:34:30","guid":{"rendered":"https:\/\/deep-space-astronomy.geekworkers.dev\/produit\/dobson-500-mm-20-f-3-6-ultra-light-gen-5\/"},"modified":"2025-07-22T12:37:47","modified_gmt":"2025-07-22T10:37:47","slug":"dobson-500-mm-20-f-3-6-ultra-light-gen-5","status":"publish","type":"product","link":"https:\/\/deep-space-astronomy.ch\/en\/product\/dobson-500-mm-20-f-3-6-ultra-light-gen-5\/","title":{"rendered":"Dobson 500 mm (20\u2033) f\/3.6 Ultra Light GEN 2"},"content":{"rendered":"<h3>Dobson 500 mm Telescope: Ultimate Power for Deep Sky Exploration<\/h3>\n<p>\nMarvel at the universe with the Dobson 500 mm f\/3.6 telescope, a true technological and optical feat. With its 20-inch mirror and high-performance design, this instrument is the ultimate choice for astronomy enthusiasts looking for an unrivalled experience.\n<\/p>\n<h3>Unparalleled collection of light<\/h3>\n<ul>\n<li><strong>500 mm primary mirror :<\/strong> Captures 5,100 times more light than the naked eye for breathtaking images.<\/li>\n<li><strong>Detailed observation:<\/strong> Observe the polar caps of Mars, the rings of Saturn, and resolve star clusters right down to their glittering cores.<\/li>\n<li><strong>Exploring the deep sky :<\/strong> Discover distant galaxies and nebulae with unrivalled clarity.<\/li>\n<li><strong>Lunar surface :<\/strong> Admire the precise relief and detail of the terminator.<\/li>\n<\/ul>\n<h3>Superior quality optics<\/h3>\n<ul>\n<li><strong>f\/3.6 quartz primary mirror:<\/strong> Allows rapid cooling and optimized temperature setting.<\/li>\n<li><strong>120 mm secondary mirror :<\/strong> Exceptional optical coverage.<\/li>\n<li><strong>High-quality aluminum cladding:<\/strong> With 94 % reflectivity, protected by a durable, dew-resistant quartz layer.<\/li>\n<li><strong>Individual optical test certificate :<\/strong> Guaranteed top performance.<\/li>\n<li><strong>Easy adjustment :<\/strong> Thanks to a central laser-engraved mark.<\/li>\n<\/ul>\n<h3>Innovative and functional design<\/h3>\n<ul>\n<li><strong>TIG-welded aluminum construction:<\/strong> Offering maximum rigidity and minimum weight.<\/li>\n<li><strong>Toolless disassembly :<\/strong> For easy transport, even in compact cars.<\/li>\n<li><strong>High-altitude bearings :<\/strong> For smooth, precise settings, even at high magnification.<\/li>\n<li><strong>Reinforced base and structure:<\/strong> For optimum stability and smooth azimuth tracking.<\/li>\n<li><strong>Built-in fans :<\/strong> Four on the sides of the mirror box and one under the primary mirror for rapid adaptation to ambient temperature and elimination of internal thermal disturbances.<\/li>\n<\/ul>\n<h3>Designed for the most demanding<\/h3>\n<ul>\n<li><strong>Telrad compatibility and accessories :<\/strong> Thanks to an offset mounting plate.<\/li>\n<li><strong>Practical storage :<\/strong> Altitude wheels are stored in the foam layers of the mirror box.<\/li>\n<li><strong>Stable support feet :<\/strong> Guarantees a solid base on any type of surface.<\/li>\n<\/ul>\n<h3>Accessories Included for a Complete Experience<\/h3>\n<ul>\n<li><strong>2.5-inch hexagonal eyepiece holder :<\/strong> With 10:1 reduction for ultra-precise settings.<\/li>\n<li><strong>LED Red Dot Finder :<\/strong> To quickly target your observations.<\/li>\n<li><strong>Collimation assistance tool :<\/strong> For perfect settings.<\/li>\n<li><strong>Soft light deflector :<\/strong> For sharp images.<\/li>\n<li><strong>Radial fans :<\/strong> For rapid temperature equilibration.<\/li>\n<\/ul>\n<h3>A Telescope Ready to Push Back the Limits<\/h3>\n<ul>\n<li><strong>Compatible with coma corrector (optional) :<\/strong> For images of exceptional sharpness and precision.<\/li>\n<\/ul>\n<h3>Conclusion<\/h3>\n<p>\nThe Dobson 500 mm telescope is much more than a simple observation instrument. It's a true optical powerhouse designed to push back the boundaries of deep-sky exploration. Ideal for passionate astronomers, it offers a unique combination of light gathering, superior optical quality and innovative design for unrivalled observations.<\/p>","protected":false},"excerpt":{"rendered":"<p>T\u00e9lescope Dobson 500 mm : La Puissance Ultime pour l\u2019Exploration du Ciel Profond Laissez-vous \u00e9merveiller par l\u2019univers avec le t\u00e9lescope Dobson 500 mm f\/3,6, une v\u00e9ritable prouesse technologique et optique. Avec son miroir de 20 pouces et son design ultra-performant, cet instrument est le choix ultime pour les passionn\u00e9s d\u2019astronomie \u00e0 la recherche d\u2019une exp\u00e9rience [&hellip;]<\/p>\n","protected":false},"featured_media":6776,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[403],"product_cat":[746,392],"product_tag":[],"class_list":["post-2645","product","type-product","status-publish","has-post-thumbnail","product_brand-explore-scientific","product_cat-dobson","product_cat-telescopes_reflecteurs","first","outofstock","sale","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product\/2645","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=2645"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media\/6776"}],"wp:attachment":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media?parent=2645"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_brand?post=2645"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_cat?post=2645"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_tag?post=2645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}