{"id":90267,"date":"2025-11-28T18:33:20","date_gmt":"2025-11-28T17:33:20","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=90267"},"modified":"2026-09-10T14:41:53","modified_gmt":"2026-09-10T12:41:53","slug":"sky-watcher-skyliner-300p-flextube-dobson","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/sky-watcher-skyliner-300p-flextube-dobson\/","title":{"rendered":"Sky-Watcher Skyliner-300P FlexTube - 300mm Parabolic Dobson"},"content":{"rendered":"<h2>Sky-Watcher Skyliner-300P FlexTube: 12 inch, collapsible to 92 cm<\/h2>\n<p>The Sky-Watcher Skyliner-300P FlexTube is a floor-mounted Dobsonian telescope with a 305 mm (12-inch) parabolic mirror and a focal length of 1500 mm (f\/4.9). It gathers 44% more light than a 10-inch telescope. The FlexTube system extends the tube from 140 to 92 cm without loss of collimation. This is the size at which the \u201cChampions League\u201d of visual deep-sky observing begins, and within our <a href=\"https:\/\/www.telescoop.nl\/en\/telescopes\/dobsonian-telescopes\/\">Dobson assortment<\/a> the most popular large mirror.<\/p>\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop9.jpg\" alt=\"Sky-Watcher Skyliner-300P FlexTube Dobsonian Telescope\" class=\"wp-image-108652\" title=\"\" srcset=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop9.jpg 1000w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop9-300x300.jpg 300w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop9-150x150.jpg 150w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop9-768x768.jpg 768w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop9-12x12.jpg 12w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop9-990x990.jpg 990w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop9-441x441.jpg 441w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop9-100x100.jpg 100w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop9-800x800.jpg 800w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop9-64x64.jpg 64w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<div class=\"wp-block-columns is-layout-flex\">\n<div class=\"wp-block-column\" style=\"flex-basis:38%\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop2.jpg\" alt=\"Sky-Watcher Skyliner-300P FlexTube Dobsonian Telescope, Product Photo 2\" class=\"wp-image-108645\" title=\"\" srcset=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop2.jpg 1000w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop2-300x300.jpg 300w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop2-150x150.jpg 150w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop2-768x768.jpg 768w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop2-12x12.jpg 12w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop2-990x990.jpg 990w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop2-441x441.jpg 441w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop2-100x100.jpg 100w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop2-800x800.jpg 800w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop2-64x64.jpg 64w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n<div class=\"wp-block-column\" style=\"flex-basis:62%\">\n<h2>What can you see through the Skyliner 300P?<\/h2>\n<p>Spiral arms in bright galaxies, wispy gas clouds in nebulae, and globular clusters dissolving into their cores: at 12 inches, objects that smaller telescopes only hint at suddenly become real structures. Planets benefit too, with sharp, high-contrast details on Jupiter and Saturn. Under a dark sky, the difference compared to an 8 or 10 inch is worth every car trip.<\/p>\n<\/div>\n<\/div>\n<div class=\"wp-block-columns is-layout-flex\">\n<div class=\"wp-block-column\" style=\"flex-basis:38%\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop5.jpg\" alt=\"Sky-Watcher Skyliner-300P FlexTube Dobsonian Telescope, Product Photo 3\" class=\"wp-image-108648\" title=\"\" srcset=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop5.jpg 1000w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop5-300x300.jpg 300w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop5-150x150.jpg 150w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop5-768x768.jpg 768w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop5-12x12.jpg 12w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop5-990x990.jpg 990w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop5-441x441.jpg 441w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop5-100x100.jpg 100w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop5-800x800.jpg 800w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop5-64x64.jpg 64w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n<div class=\"wp-block-column\" style=\"flex-basis:62%\">\n<h2>FlexTube with complete equipment<\/h2>\n<p>Three steel guides lock the tube into working position in seconds, keeping the optics aligned. The 2-inch Crayford focuser provides backlash-free focusing, and the set is complete with two 70-degree Wide Angle eyepieces (75x and 120x), a 9x50 finder scope, and a universal smartphone adapter.<\/p>\n<\/div>\n<\/div>\n<div class=\"wp-block-columns is-layout-flex\">\n<div class=\"wp-block-column\" style=\"flex-basis:38%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop3.jpg\" alt=\"Sky-Watcher Skyliner-300P FlexTube Dobsonian Telescope, Product Photo 4\" class=\"wp-image-108646\" title=\"\" srcset=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop3.jpg 1000w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop3-300x300.jpg 300w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop3-150x150.jpg 150w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop3-768x768.jpg 768w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop3-12x12.jpg 12w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop3-990x990.jpg 990w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop3-441x441.jpg 441w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop3-100x100.jpg 100w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop3-800x800.jpg 800w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop3-64x64.jpg 64w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n<div class=\"wp-block-column\" style=\"flex-basis:62%\">\n<h2>This is how to get the most out of this telescope<\/h2>\n<ul>\n<li><strong>To them, in part:<\/strong> The tube weighs 21 kg, and the rocker box is separate; never lift everything together. Plan your route to your observation spot accordingly.<\/li>\n<li><strong>Close the open section:<\/strong> A light shroud around the extended truss keeps stray light and dew out. The standard upgrade for FlexTube models.<\/li>\n<li><strong>Allow 60 minutes for cooling.<\/strong> For the large mirror, especially in winter.<\/li>\n<li><strong>Collimation at f\/4.9 is a fixed ritual<\/strong> on transport; our guide to <a href=\"https:\/\/www.telescoop.nl\/en\/telescope-collimation-this-is-how-to-adjust-your-reflector-in-focus\/\">collimation<\/a> It takes two minutes.<\/li>\n<li><strong>For planets:<\/strong> a <a href=\"https:\/\/www.telescoop.nl\/en\/sky-watcher-6-mm-planetary-uwa-eyepiece-58-125\/\">6 mm planetary eyepiece<\/a> provides 250x, for the better nights; this mirror size can handle that perfectly on good nights.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"wp-block-columns is-layout-flex\">\n<div class=\"wp-block-column\" style=\"flex-basis:38%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop6.jpg\" alt=\"Sky-Watcher Skyliner-300P FlexTube Dobsonian Telescope, Product Photo 5\" class=\"wp-image-108649\" title=\"\" srcset=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop6.jpg 1000w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop6-300x300.jpg 300w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop6-150x150.jpg 150w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop6-768x768.jpg 768w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop6-12x12.jpg 12w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop6-990x990.jpg 990w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop6-441x441.jpg 441w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop6-100x100.jpg 100w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop6-800x800.jpg 800w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop6-64x64.jpg 64w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n<div class=\"wp-block-column\" style=\"flex-basis:62%\">\n<h2>For whom yes and for whom no<\/h2>\n<p><strong>Hello<\/strong> the dedicated visual observer who regularly seeks out dark skies and wants to get the most out of each session.<\/p>\n<p><strong>Not<\/strong> For those who are unsure about the size or if this is their first telescope, they are at the <a href=\"https:\/\/www.telescoop.nl\/en\/sky-watcher-skyliner-200p-classic-dobson\/\">Skyliner-200P Classic<\/a> almost always better off: it is outside more often. If you want to automatically search and track on this size, there is the 300P FlexTube SynScan GoTo version. Long exposures are a part of the <a href=\"https:\/\/www.telescoop.nl\/en\/telescopes\/smart-telescopes\/\">smart telescopes<\/a>; quick moon photos with the included smartphone adapter are a nice bonus.<\/p>\n<\/div>\n<\/div>\n<h2>Featured accessories<\/h2>\n<p>These accessories add the most after purchase:<\/p>\n<ul>\n<li><strong>Moon Filter 13%:<\/strong> With this mirror size, the moon is blindingly bright. The <a href=\"https:\/\/www.telescoop.nl\/en\/omegon-moon-filter-for-telescopes-13-125\/\">Omegon Moon Filter 13% (1.25 inches)<\/a> dims the light and increases the contrast. More explanation is in our <a href=\"https:\/\/www.telescoop.nl\/en\/best-moon-filter-telescope\/\">Moon filter guide<\/a>.<\/li>\n<li><strong>A 6mm planetary eyepiece:<\/strong> the <a href=\"https:\/\/www.telescoop.nl\/en\/sky-watcher-6-mm-planetary-uwa-eyepiece-58-125\/\">Sky-Watcher 6mm Planetary UWA Eyepiece<\/a> this telescope provides 250x magnification for the better nights. If you want to go a step higher, there is also the 5 mm version (300x).<\/li>\n<li><strong>Cheshire eyepiece<\/strong> the <a href=\"https:\/\/www.telescoop.nl\/en\/sky-watcher-cheshire-collimation-eyepiece-1-25\/\">Sky-Watcher Cheshire Eyepiece<\/a> Aligning the mirrors is more accurate than the included tools. With these fast opening ratios, it's not a luxury but a essential piece.<\/li>\n<\/ul>\n<h2>Technical specifications<\/h2>\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<td><strong>Feature<\/strong><\/td>\n<td><strong>Specification<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Telescope type<\/strong><\/td>\n<td>Newtonian reflector (Parabolic primary and secondary mirror)<\/td>\n<\/tr>\n<tr>\n<td><strong>Main mirror diameter<\/strong><\/td>\n<td>305 mm (12 inches)<\/td>\n<\/tr>\n<tr>\n<td><strong>Tube design<\/strong><\/td>\n<td>Patented FlexTube\u2122 (Retractable Truss Tube System)<\/td>\n<\/tr>\n<tr>\n<td><strong>Mirror material<\/strong><\/td>\n<td>Low-Expansion Borosilicate Glass<\/td>\n<\/tr>\n<tr>\n<td><strong>Focal length<\/strong><\/td>\n<td>1500 mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Opening ratio<\/strong><\/td>\n<td>f\/4.9<\/td>\n<\/tr>\n<tr>\n<td><strong>Mirror coatings<\/strong><\/td>\n<td>Radiant\u2122 Aluminum Quartz (RAQ\u2122): up to 94% light reflectance<\/td>\n<\/tr>\n<tr>\n<td><strong>Light output<\/strong><\/td>\n<td>44% has greater light-gathering power than the 250 mm model<\/td>\n<\/tr>\n<tr>\n<td><strong>Brake caliper bracket<\/strong><\/td>\n<td>0.5 mm ultra-thin spider supports<\/td>\n<\/tr>\n<tr>\n<td><strong>Included eyepieces<\/strong><\/td>\n<td>12.5 mm &amp; 20 mm (1.25\u2033): 70\u00b0 Super Wide Angle<\/td>\n<\/tr>\n<tr>\n<td><strong>Included magnifications<\/strong><\/td>\n<td>75x and 120x<\/td>\n<\/tr>\n<tr>\n<td><strong>Maximum useful magnification<\/strong><\/td>\n<td>600x (Potential)<\/td>\n<\/tr>\n<tr>\n<td><strong>Focuser<\/strong><\/td>\n<td>2\u2033 Precision Crayford focuser (smooth and backlash-free)<\/td>\n<\/tr>\n<tr>\n<td><strong>Included adapters<\/strong><\/td>\n<td>Zeiss 2\u2033 to 1.25\u2033 adapter with non-marring brass clamping ring<\/td>\n<\/tr>\n<tr>\n<td><strong>Seeker<\/strong><\/td>\n<td>Large 9\u00d750 optical finder scope with crosshairs<\/td>\n<\/tr>\n<tr>\n<td><strong>Camera connection<\/strong><\/td>\n<td>Direct SLR\/DSLR connection possible<\/td>\n<\/tr>\n<tr>\n<td><strong>Smartphone adapter<\/strong><\/td>\n<td>Universal (suitable for phones between 54 mm and 90 mm wide)<\/td>\n<\/tr>\n<tr>\n<td><strong>Material optical tube<\/strong><\/td>\n<td>Rolled steel finished in Black Diamond metallic<\/td>\n<\/tr>\n<tr>\n<td><strong>Optical tube assembly (OTA) length<\/strong><\/td>\n<td>Extended: 1400 mm \/ Retracted: 920 mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Mounting type<\/strong><\/td>\n<td>Wooden Dobson with Tension Control &amp; Accessory Plate<\/td>\n<\/tr>\n<tr>\n<td><strong>Diameter of the base<\/strong><\/td>\n<td>520 mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Weight optical tube assembly<\/strong><\/td>\n<td>21 kilograms<\/td>\n<\/tr>\n<tr>\n<td><strong>Rocker box weight (base)<\/strong><\/td>\n<td>39.2 lbs<\/td>\n<\/tr>\n<tr>\n<td><strong>Total weight<\/strong><\/td>\n<td>38.8 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"wp-block-columns is-layout-flex\">\n<div class=\"wp-block-column\" style=\"flex-basis:38%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop1.jpg\" alt=\"Sky-Watcher Skyliner-300P FlexTube Dobsonian Telescope, Product Photo 6\" class=\"wp-image-108644\" title=\"\" srcset=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop1.jpg 1000w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop1-300x300.jpg 300w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop1-150x150.jpg 150w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop1-768x768.jpg 768w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop1-12x12.jpg 12w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop1-990x990.jpg 990w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop1-441x441.jpg 441w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop1-100x100.jpg 100w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop1-800x800.jpg 800w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Sky-Watcher-Skyliner-300P-FlexTube-Dobson-telescoop1-64x64.jpg 64w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n<div class=\"wp-block-column\" style=\"flex-basis:62%\">\n<h2>Included in the box<\/h2>\n<ul>\n<li>Sky-Watcher Skyliner-300P FlexTube Optical Tube with Rockerbox and Tension Control Handles<\/li>\n<li>Eyepieces: 12.5 mm &amp; 20 mm (1.25\u2033): 70\u00b0 Super Wide Angle<\/li>\n<li>Finder: Large 9\u00d750 Optical finder with crosshair<\/li>\n<li>Focuser: 2\u2033 Precision Crayford focuser (smooth and backlash-free)<\/li>\n<li>Adapters: Zouth 2\u2033 to 1.25\u2033 adapter with non-marring brass compression ring<\/li>\n<li>Smartphone Adapter: Universal (fits phones between 2.1 inches and 3.5 inches wide)<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"1733\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Skyliner-250P-Flextube.jpg\" alt=\"Sky-Watcher Skyliner-300P FlexTube Dobsonian Telescope, Product Photo 7\" class=\"wp-image-108642\" title=\"\" srcset=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Skyliner-250P-Flextube.jpg 1080w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Skyliner-250P-Flextube-187x300.jpg 187w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Skyliner-250P-Flextube-638x1024.jpg 638w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Skyliner-250P-Flextube-768x1232.jpg 768w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Skyliner-250P-Flextube-957x1536.jpg 957w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Skyliner-250P-Flextube-7x12.jpg 7w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Skyliner-250P-Flextube-990x1589.jpg 990w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Skyliner-250P-Flextube-441x708.jpg 441w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Skyliner-250P-Flextube-300x481.jpg 300w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Skyliner-250P-Flextube-800x1284.jpg 800w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Skyliner-250P-Flextube-150x241.jpg 150w, https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/Skyliner-250P-Flextube-64x103.jpg 64w\" sizes=\"(max-width: 1080px) 100vw, 1080px\" \/><\/figure>\n<h2>Honest advice from observers<\/h2>\n<p>We sell and use the Sky-Watcher line ourselves. In our <a href=\"https:\/\/www.telescoop.nl\/en\/skywatcher-telescopes\/\">Sky-Watcher merk Guide<\/a> We'll explain which series are strong and which you'd rather skip. View the full range on our <a href=\"https:\/\/www.telescoop.nl\/en\/brands\/sky-watcher\/\">Sky-Watcher merk Page<\/a> or compare all models in our <a href=\"https:\/\/www.telescoop.nl\/en\/telescopes\/dobsonian-telescopes\/\">Dobson assortment<\/a>. If ordered before 11:59 PM, it will be delivered quickly, in the Netherlands and Belgium. Not sure about the size or version? Call or email us: these are purchases we're happy to help you think through.<\/p>","protected":false},"excerpt":{"rendered":"<p>The <strong>Sky-Watcher Skyliner-300P FlexTube<\/strong> Delivers 12-inch light gathering power (44% more than a 10-inch telescope) in a tube that telescopes down to 92 cm. Comes with two 70-degree eyepieces, a 2-inch Crayford focuser, a 9\u00d750 finder scope, and a smartphone adapter.<\/p>","protected":false},"featured_media":108653,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[542],"product_cat":[51,566,3166,3160,2972],"product_tag":[],"class_list":["post-90267","product","type-product","status-publish","has-post-thumbnail","product_brand-sky-watcher","product_cat-telescopen","product_cat-dobson-telescopen","product_cat-handmatige-reflectoren","product_cat-inklapbare-dobson","product_cat-reflector-telescopen","product_shipping_class-telescoop","first","onbackorder","sale","taxable","shipping-taxable","purchasable","product-type-simple"],"bundled_by":[],"bundle_stock_status":"onbackorder","bundle_stock_quantity":0,"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":[24762,90424,31124,90682,90416,90422],"acf":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":90272,"url":"https:\/\/www.telescoop.nl\/en\/sky-watcher-skyliner-300p-flextube-synscan-goto\/","url_meta":{"origin":90267,"position":0},"title":"Sky-Watcher Skyliner-300P FlexTube SynScan GoTo - 300mm Dobson","author":"","date":"28-11-2025","format":false,"excerpt":"De Sky-Watcher Skyliner-300P FlexTube SynScan GoTo koppelt 12 inch lichtopbrengst aan automatisch zoeken en volgen (42.900 objecten), met Freedom Find-encoders zodat handmatig bewegen altijd kan. Inclusief 2 inch Crayford-focuser met T2-aansluiting.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Sky-Watcher Skyliner 305\/1500 FlexTube GoTo Dobson telescoop","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/Skywatcher-N-305-1500-Telescoop-Dobson-Skyliner-FlexTube-BD-DOB-GoTo-2.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":108633,"url":"https:\/\/www.telescoop.nl\/en\/sky-watcher-skyliner-250p-flextube-dobson\/","url_meta":{"origin":90267,"position":1},"title":"Sky-Watcher Skyliner 250P FlexTube Dobsonian","author":"Info telescoop","date":"12-06-2026","format":false,"excerpt":"De Sky-Watcher Skyliner 250P FlexTube geeft de lichtopbrengst van een 10 inch spiegel in een buis die inschuift tot 80 cm, zonder collimatieverlies. Geleverd met twee 70 graden oculairs, 2 inch Crayford-focuser, 9x50 zoeker en smartphone-adapter.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Sky-Watcher Skyliner 250P FlexTube Dobson","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/10157-Skyliner-250P-Flextube-Enhanced-Edition.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/10157-Skyliner-250P-Flextube-Enhanced-Edition.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/10157-Skyliner-250P-Flextube-Enhanced-Edition.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/10157-Skyliner-250P-Flextube-Enhanced-Edition.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/06\/10157-Skyliner-250P-Flextube-Enhanced-Edition.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":111265,"url":"https:\/\/www.telescoop.nl\/en\/sky-watcher-skyliner-200p-flextube-dobson-telescoop-deluxe-edition\/","url_meta":{"origin":90267,"position":2},"title":"Sky-Watcher Skyliner-200P FlexTube Dobson Telescope (Deluxe Edition)","author":"Info telescoop","date":"13-08-2026","format":false,"excerpt":"The most complete 8-inch Dobsonian: FlexTube tube, borosilicate mirrors with 94% RAQ coating, and a dual-speed focuser with 10:1 fine-tuning. Includes a 9x50 diagonal, two 70-degree eyepieces, and a smartphone adapter. Available starting in mid-October; pre-orders now being accepted.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/08\/10156-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/08\/10156-1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/08\/10156-1.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/08\/10156-1.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/08\/10156-1.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":111262,"url":"https:\/\/www.telescoop.nl\/en\/sky-watcher-skyliner-200p-flextube-dobson-telescoop-enhanced-standard-edition\/","url_meta":{"origin":90267,"position":3},"title":"Sky-Watcher Skyliner-200P FlexTube Dobson Telescope (Enhanced Standard Edition)","author":"Info telescoop","date":"13-08-2026","format":false,"excerpt":"8-inch Dobsonian with retractable FlexTube tube: sets up in seconds, and collimation remains stable. Borosilicate mirrors with 94% RAQ coating, 9x50 diagonal, two 70-degree eyepieces, and smartphone adapter.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Sky-Watcher Skyliner-200P Flextube dobson telescoop","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/08\/1015520Skyliner-200P20Flextube20Enhanced.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/08\/1015520Skyliner-200P20Flextube20Enhanced.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/08\/1015520Skyliner-200P20Flextube20Enhanced.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/08\/1015520Skyliner-200P20Flextube20Enhanced.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/08\/1015520Skyliner-200P20Flextube20Enhanced.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":90286,"url":"https:\/\/www.telescoop.nl\/en\/sky-watcher-skyliner-350p-flextube-dobson\/","url_meta":{"origin":90267,"position":4},"title":"Sky-Watcher Skyliner-350P FlexTube - 350mm Parabolic Dobson","author":"Info telescoop","date":"28-11-2025","format":false,"excerpt":"De Sky-Watcher Skyliner-350P FlexTube levert 14 inch lichtopbrengst (36% meer dan 12 inch) in een buis die inschuift tot 97 cm. Geleverd met twee 70 graden oculairs, 2 inch Crayford-focuser, 9x50 zoeker en smartphone-adapter.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Skyliner 350P Flextube","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/10228-Skyliner-350_FlexTube.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/10228-Skyliner-350_FlexTube.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/10228-Skyliner-350_FlexTube.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/10228-Skyliner-350_FlexTube.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/10228-Skyliner-350_FlexTube.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/10228-Skyliner-350_FlexTube.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":90298,"url":"https:\/\/www.telescoop.nl\/en\/sky-watcher-skyliner-400p-flextube-dobson\/","url_meta":{"origin":90267,"position":5},"title":"Sky-Watcher Skyliner-400P FlexTube - 400mm Parabolic Dobson","author":"Info telescoop","date":"29-11-2025","format":false,"excerpt":"De Sky-Watcher Skyliner-400P FlexTube is de top van visueel waarnemen: 406 mm spiegel (f\/4,4), dual-speed 10:1 Crayford-focuser en een buis die inschuift tot 107 cm. Geleverd met twee 70 graden oculairs, 9x50 zoeker en smartphone-adapter.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Sky-Watcher Skyliner-400P FlexTube \u2013 400mm Parabolische Dobson","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/SKYLINER-400P-FLEXTUBE-10230.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/SKYLINER-400P-FLEXTUBE-10230.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/SKYLINER-400P-FLEXTUBE-10230.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/SKYLINER-400P-FLEXTUBE-10230.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/SKYLINER-400P-FLEXTUBE-10230.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product\/90267","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/comments?post=90267"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media\/108653"}],"wp:attachment":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media?parent=90267"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_brand?post=90267"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_cat?post=90267"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_tag?post=90267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}