{"product_id":"explore-scientific-8-inch-dobsonian-f-5-9-on20859","title":"Explore Scientific 8-inch Dobsonian f\/5.9 (ON20859)","description":"\u003ch1\u003eExplore Scientific 8-inch Dobsonian f\/5.9 \u003c\/h1\u003e\n\u003cdiv style=\"--eac-o-font-size: 14px; --eac-o-letter-spacing: -0.14px; --eac-o-line-height: 22.4px;\" data-block-type=\"description\" data-block-id=\"description\" class=\"product-info__block-item\"\u003e\n\u003cdiv style=\"--eac-o-font-size: 14px; --eac-o-letter-spacing: -0.14px; --eac-o-line-height: 22.4px;\" class=\"product-info__description\"\u003e\n\u003cdiv style=\"--eac-o-font-size: 14px; --eac-o-letter-spacing: -0.14px; --eac-o-line-height: 22.4px;\" class=\"prose\"\u003e\n\u003cp style=\"--eac-o-font-size: 14px; --eac-o-letter-spacing: -0.14px; --eac-o-line-height: 22.4px;\" data-end=\"692\" data-start=\"237\"\u003eThe 8-inch Newtonian Reflector Telescope is a powerhouse for deep-sky exploration and astrophotography. With a large 208mm primary mirror and a fast f\/5.9 focal ratio, this telescope excels at capturing bright, wide-field views of nebulae, galaxies, and star clusters, while also delivering crisp detail of the Moon and planets. Its 1219mm focal length supports shorter exposure times—ideal for imaging faint celestial objects with clarity and efficiency.\u003c\/p\u003e\n\u003cp style=\"--eac-o-font-size: 14px; --eac-o-letter-spacing: -0.14px; --eac-o-line-height: 22.4px;\" data-end=\"1193\" data-start=\"694\"\u003eMounted on a smooth, easy-to-operate Dobsonian base, this telescope offers intuitive navigation and is equipped with a spring tension system to maintain tube balance and support optional accessories. A 2-inch Crayford focuser with a 1.25-inch adapter gives you compatibility with a wide range of eyepieces and accessories. Whether you're imaging with a smartphone or observing with the included 25mm Plossl eyepiece, this telescope is built to deliver a powerful and accessible night sky experience.\u003c\/p\u003e\n\u003ch2 style=\"--eac-o-font-size: 20px; --eac-o-letter-spacing: -0.3px; --eac-o-line-height: 26px;\" class=\"h4\"\u003eOutstanding Deep Sky Performance\u003c\/h2\u003e\n\u003cp style=\"--eac-o-font-size: 14px; --eac-o-letter-spacing: -0.14px; --eac-o-line-height: 22.4px;\" data-end=\"1193\" data-start=\"694\"\u003eThe 208mm primary mirror offers impressive light-gathering capability, making this telescope ideal for exploring faint deep-sky targets like nebulae, galaxies, and star clusters, as well as detailed views of planets and the Moon.\u003c\/p\u003e\n\u003ch2 style=\"--eac-o-font-size: 14px; --eac-o-letter-spacing: -0.14px; --eac-o-line-height: 22.4px;\" data-end=\"1193\" data-start=\"694\"\u003eAstrophotography-Ready Optics\u003c\/h2\u003e\n\u003cp\u003eWith a 1219mm focal length and fast f\/5.9 focal ratio, this telescope delivers bright images, a wider field of view, and shorter exposure times—perfect for capturing high-quality astrophotos.\u003c\/p\u003e\n\u003ch2\u003eStable and Intuitive Dobsonian Mount\u003c\/h2\u003e\n\u003cp\u003eThe smooth Dobsonian mount is designed for all experience levels and features a spring tension system that keeps the optical tube balanced, even when using optional accessories.\u003c\/p\u003e\n\u003ch2\u003eComplete Accessory Package\u003c\/h2\u003e\n\u003cp\u003eIncludes a 25mm Plossl eyepiece for 49x magnification, a red-dot finder scope for quick targeting, a smartphone adapter for simple astrophotography, and a dust cover to protect your optics during storage or transport.\u003c\/p\u003e\n\u003ch3 style=\"--eac-o-font-size: 14px; --eac-o-letter-spacing: -0.14px; --eac-o-line-height: 22.4px;\" data-end=\"1193\" data-start=\"694\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eItem Number\u003c\/td\u003e\n\u003ctd\u003eES-ON20859\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Mirror Diameter\u003c\/td\u003e\n\u003ctd\u003e208mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e1219mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/5.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Weight\u003c\/td\u003e\n\u003ctd\u003e19 lbs. 15.5 oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase Weight\u003c\/td\u003e\n\u003ctd\u003e18 lbs. 11 oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"--eac-o-font-size: 14px; --eac-o-letter-spacing: -0.14px; --eac-o-line-height: 22.4px;\" data-end=\"1193\" data-start=\"694\"\u003e \u003c\/p\u003e\n\u003ch3 style=\"--eac-o-font-size: 14px; --eac-o-letter-spacing: -0.14px; --eac-o-line-height: 22.4px;\" data-end=\"1193\" data-start=\"694\"\u003eIn the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTelescope OTA\u003c\/li\u003e\n\u003cli\u003eBase\u003c\/li\u003e\n\u003cli\u003e25mm Plossl Eyepiece\u003c\/li\u003e\n\u003cli\u003eRed dot finder\u003c\/li\u003e\n\u003cli\u003ePhone adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty \u0026amp; Manual\u003c\/h3\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/istronomyplus.com\/pages\/explore-scientific-warranty\" target=\"_blank\"\u003eExplore Scientific 1 to 2-Year Warranty\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"--eac-o-font-size: 14px; --eac-o-letter-spacing: -0.14px; --eac-o-line-height: 22.4px;\" data-end=\"1193\" data-start=\"694\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/ES-ON15476_ES-ON20859_ES-ON25447_ClassicDobs_Manual-v2_2025.pdf?v=1769274336\" target=\"_blank\"\u003eManual\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":48315980939493,"sku":"ES-ON20859","price":840.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/ES-ON15476_1_7e8c4284-3705-4b55-9215-0186cb6581e1.jpg?v=1777043853","url":"https:\/\/istronomyplus.com\/products\/explore-scientific-8-inch-dobsonian-f-5-9-on20859","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}