{"id":29715,"date":"2025-09-29T14:49:30","date_gmt":"2025-09-29T12:49:30","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=29715"},"modified":"2026-07-18T12:56:10","modified_gmt":"2026-07-18T10:56:10","slug":"gso-406-1829-dobson-truss-dob","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/gso-406-1829-dobson-truss-dob\/","title":{"rendered":"GSO 406\/1829 Dobson Truss"},"content":{"rendered":"<h2 class=\"wp-block-heading has-text-align-center\"><strong>Sixteen inches: the light giant that fits in a station wagon<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>GSO 406\/1829 Truss Dobson<\/strong> is a 16-inch instrument for the advanced deep-sky observer. The 406 mm mirror collects 3364 times more light than the naked eye: spiral arms in galaxies, filaments in emission nebulae, and globular clusters resolving into their cores. The truss design breaks the giant down into portable parts, so a dark site remains accessible.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" data-id=\"29720\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-1-1024x1024.jpg\" alt=\"GSO 406\/1829 Truss Dobsonian Telescope, Sixteen Inch\" class=\"wp-image-29720\" title=\"\" srcset=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-1-1024x1024.jpg 1024w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-1-300x300.jpg 300w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-1-150x150.jpg 150w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-1-800x800.jpg 800w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-1-768x768.jpg 768w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-1-1536x1536.jpg 1536w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-1-990x990.jpg 990w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-1-441x441.jpg 441w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-1-100x100.jpg 100w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-1.jpg 2000w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"1024\" data-id=\"29724\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-3-1024x1024.jpg\" alt=\"The GSO Truss Dobsonian, detail of the truss construction\" class=\"wp-image-29724\" title=\"\" srcset=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-3-1024x1024.jpg 1024w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-3-300x300.jpg 300w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-3-150x150.jpg 150w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-3-800x800.jpg 800w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-3-768x768.jpg 768w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-3-1536x1536.jpg 1536w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-3-990x990.jpg 990w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-3-441x441.jpg 441w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-3-100x100.jpg 100w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/GSO-Dobson-telescoop-N-406-1829-Truss-DOB-3.jpg 2000w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Truss construction: large when in use, compact when transported<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">The truss tubes are disassembled without tools; tube sections and the rocker box fit into a regular car. The built-in fan quickly brings the large mirror to temperature, and the included dust cover protects the optics. With the 30mm 2-inch eyepiece (61x), you can take in wide fields; the 9mm eyepiece captures detail.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">For whom yes, for whom no<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">For the experienced observer who wants to see the maximum under dark skies and is willing to build a large instrument. Not for beginners or balcony observers; start with an 8 or 10-inch Dobsonian and grow later.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>What's in the box?<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Optical tube 406\/1829 in truss version<\/li>\n\n\n\n<li>Dobson-rockerbox<\/li>\n\n\n\n<li>30 mm (2 inch) and 9 mm (1.25 inch) eyepieces<\/li>\n\n\n\n<li>8x50 optical finder<\/li>\n\n\n\n<li>2 inch focuser with 1.25 inch adapter<\/li>\n\n\n\n<li>Mirror fan<\/li>\n\n\n\n<li>Dust cover<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Featured accessories<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A <strong>2-inch moon filter (50%)<\/strong> makes moon observations comfortable with this mirror size.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Specification<\/strong><\/td><td><strong>GSO 406\/1829 Dobson Truss<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Optical design<\/strong><\/td><td>Newton reflector (parabolic, truss)<\/td><\/tr><tr><td><strong>Opening<\/strong><\/td><td>406 mm (16 inches)<\/td><\/tr><tr><td><strong>Focal length<\/strong><\/td><td>71.97 inches<\/td><\/tr><tr><td><strong>Opening ratio<\/strong><\/td><td>f\/4,5<\/td><\/tr><tr><td><strong>Maximum useful magnification<\/strong><\/td><td>812x<\/td><\/tr><tr><td><strong>Light output<\/strong><\/td><td>3364 times the naked eye<\/td><\/tr><tr><td><strong>Mount<\/strong><\/td><td>Dobson model (azimuthal)<\/td><\/tr><tr><td><strong>Eyepieces<\/strong><\/td><td>30 mm 2 inches (61x) and 9 mm 1.25 inches (203x)<\/td><\/tr><tr><td><strong>Additional<\/strong><\/td><td>Ventilator, dust cap, 8x50 finder<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Unsure about the right size? Our <a href=\"https:\/\/www.telescoop.nl\/en\/the-best-telescope-for-beginners\/\">Buyer's guide for beginners<\/a> and the <a href=\"https:\/\/www.telescoop.nl\/en\/telescope-selection-aid\/\">telescope selection aid<\/a> help you choose. Also check out all <a href=\"https:\/\/www.telescoop.nl\/en\/telescopes\/dobsonian-telescopes\/\">Dobson telescopes<\/a> in our assortment.<\/p>","protected":false},"excerpt":{"rendered":"<p>The GSO 406\/1829 Truss Dobsonian comes with a 30mm 2-inch eyepiece, a 9mm eyepiece, an 8x50 finder scope, a 2-inch\/1.25-inch adapter, a fan, and a dust cover. Sixteen inches of deep-sky power in a collapsible truss design.<\/p>","protected":false},"featured_media":29728,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[540],"product_cat":[51,566,531,3166,2972],"product_tag":[],"class_list":["post-29715","product","type-product","status-publish","has-post-thumbnail","product_brand-gso","product_cat-telescopen","product_cat-dobson-telescopen","product_cat-gevorderd","product_cat-handmatige-reflectoren","product_cat-reflector-telescopen","product_shipping_class-licht","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"bundled_by":[],"bundle_stock_status":"instock","bundle_stock_quantity":null,"bundle_virtual":false,"bundle_layout":"","bundle_add_to_cart_form_location":"","bundle_editable_in_cart":false,"bundle_sold_individually_context":"","bundle_item_grouping":"","bundle_min_size":"","bundle_max_size":"","bundle_price":[],"bundled_items":[],"bundle_sell_ids":[13197,24823],"acf":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":105509,"url":"https:\/\/www.telescoop.nl\/en\/levenhuk-new-skyline-pro-16-retractable\/","url_meta":{"origin":29715,"position":0},"title":"Levenhuk New Skyline PRO 16\" Retractable \u2013 406\/1830 Dobson","author":"Abdullah Ibrar","date":"03-04-2026","format":false,"excerpt":"The Levenhuk New Skyline PRO 16 inch Retractable Dobsonian comes with Pl\u00f6ssl eyepieces, an 8x40 finder scope, and primary mirror cooling. 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