{"product_id":"sky-watcher-edx-70-super-apo-triplet-f-7-telescope","title":"Sky-Watcher EDX 70 Super APO Triplet f\/7 Telescope","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e70mm Objective Lens Diameter\u003c\/li\u003e\n\u003cli\u003e490mm Focal Length (f\/7)\u003c\/li\u003e\n\u003cli\u003eThree-Element Air-Spaced Apochromatic Triplet\u003c\/li\u003e\n\u003cli\u003ePremium FCD-100 ED Glass Element\u003c\/li\u003e\n\u003cli\u003e2.7-inch Linear-Track Rack-and-Pinion Focuser\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eSky-Watcher Esprit EDX 70 Super APO Triplet\u003c\/h2\u003e\n\u003cp\u003eThe Sky-Watcher Esprit EDX 70 is engineered for the discerning astrophotographer, delivering professional-tier imaging performance in a highly portable format. Utilizing a sophisticated three-element, air-spaced objective lens design, this refractor completely eliminates false color to provide exceptional contrast and sharpness for wide-field deep-sky capture.\u003c\/p\u003e\n\u003cp\u003eBy using laboratory-matched lens assemblies and high-end extra-low dispersion elements, the Esprit EDX 70 achieves unrivaled clarity. Whether you are a dedicated imager or a visual observer, this \"Super APO\" provides the elite performance typically found in instruments costing significantly more.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eAdvanced Triplet Optics and FCD-100 Glass\u003c\/h3\u003e\n\u003cp\u003eThe core of the Esprit EDX 70 is its 70mm apochromatic triplet objective. Unlike standard doublets, this three-element design offers superior correction for spherical and chromatic aberrations. Specifically, the 70mm model utilizes premium FCD-100 glass for its ED element, ensuring that light across the visible spectrum is brought to a precise, common focus.\u003c\/p\u003e\n\u003cp\u003eThe optical system features knife-edge baffles throughout the tube to maximize contrast by suppressing stray light reflections, ensuring a jet-black background for your astronomical data.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eExclusive Linear-Track Focusing System\u003c\/h3\u003e\n\u003cp\u003eTo meet the demands of modern imaging trains, the Esprit EDX 70 is equipped with Sky-Watcher's exclusive 2.7-inch linear-track rack-and-pinion focuser. This design is engineered to be rock-solid, providing a stable platform that eliminates image shift during critical focusing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Control:\u003c\/strong\u003e The focuser includes a micro-focus knob for ultra-fine adjustments, essential for achieving pinpoint stars with fast f\/7 optics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenerous Image Circle:\u003c\/strong\u003e When paired with the optional two-element field corrector, the system delivers a 44mm image circle, providing edge-to-edge illumination and flatness for full-frame sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Baffling:\u003c\/strong\u003e Precision-placed internal baffles further enhance the optical performance by reducing internal scatter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eUltra-Portable Professional Astrograph\u003c\/h3\u003e\n\u003cp\u003eWeighing only 7 pounds and featuring a compact length of 14.5 inches when retracted, the Esprit EDX 70 is the ultimate high-end travel telescope. Its 490mm focal length hits the \"sweet spot\" for expansive deep-sky targets, allowing for breathtaking wide-field compositions of large nebulae and star fields.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Esprit EDX 70 require a field flattener?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor large-sensor astrophotography (APS-C or Full-Frame), an optional two-element field corrector is available to guarantee a flat field across the entire 44mm imaging plane. This ensures pinpoint stars even in the extreme corners of your images.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat type of glass is used in the 70mm model?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Esprit EDX 70 specifically uses FCD-100 glass for its extra-low dispersion (ED) element. This is a premium fluoride-based glass that provides exceptional color correction and clarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount does it use?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe EDX 70 comes with high-quality mounting rings and a V-style (Vixen-style) dovetail plate, making it compatible with a wide variety of portable equatorial and alt-azimuth mounts.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the focuser strong enough for heavy cameras?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the 2.7-inch linear-track design is specifically engineered for a rock-solid, zero-image-shift performance even under the load of heavy imaging accessories.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003e$11425\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eApochromatic Triplet Refractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e70 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e490 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF-Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eED Glass Type\u003c\/td\u003e\n\u003ctd\u003eFCD-100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e2.7-inch Linear-Track Rack-and-Pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage Circle\u003c\/td\u003e\n\u003ctd\u003e44 mm (with optional flattener)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Weight\u003c\/td\u003e\n\u003ctd\u003e7 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength (Retracted\/Extended)\u003c\/td\u003e\n\u003ctd\u003e14.5 in \/ 16.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Sky-Watcher Esprit EDX 70 OTA\" src=\"URL_TO_IMAGE\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eEsprit EDX 70 OTA\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Hard Case\" src=\"URL_TO_IMAGE\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eFoam-Lined Hard Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Mounting Rings\" src=\"URL_TO_IMAGE\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eMounting Rings\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"V-style Dovetail\" src=\"URL_TO_IMAGE\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eV-style Dovetail Plate\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"#\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Product Sheet (PDF)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"http:\/\/www.skywatcherusa.com\" rel=\"noopener\" target=\"_blank\"\u003eSky-Watcher USA Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":51133016211741,"sku":"SW-S11425","price":1800.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Sky-Watcher-Esprit-70EDX-Telescope-1.jpg?v=1775839642","url":"https:\/\/davidastro.com\/fr\/products\/sky-watcher-edx-70-super-apo-triplet-f-7-telescope","provider":"David Astro","version":"1.0","type":"link"}