{"product_id":"sky-watcher-edx-100-super-apo-triplet-f-5-5-telescope","title":"Sky-Watcher EDX 100 Super APO Triplet f\/5.5 Telescope","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e100mm Objective Lens Diameter\u003c\/li\u003e\n\u003cli\u003e840mm Focal Length (f\/8.4)\u003c\/li\u003e\n\u003cli\u003eThree-Element Air-Spaced Apochromatic Triplet\u003c\/li\u003e\n\u003cli\u003ePremium FPL-53 ED Glass Element\u003c\/li\u003e\n\u003cli\u003e3.4-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 100 Super APO Triplet\u003c\/h2\u003e\n\u003cp\u003eThe Sky-Watcher Esprit EDX 100 is a high-performance 100mm apochromatic refractor designed for the most demanding astrophotographers. By utilizing a three-element, air-spaced objective lens design, this instrument delivers unrivaled clarity and color correction, rivaling telescopes that cost significantly more.\u003c\/p\u003e\n\u003cp\u003eEach lens assembly is laboratory-matched and includes an extra-low dispersion (ED) element to ensure that false color is completely eliminated. This results in exceptional contrast and sharpness, making the Esprit EDX 100 an elite choice for deep-sky imaging.\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\u003ePremium FPL-53 Glass and Knife-Edge Baffles\u003c\/h3\u003e\n\u003cp\u003eThe optical design of the 100mm model is built around a Japanese Ohara FPL-53 glass element. This high-index glass is the industry standard for minimizing chromatic aberration, allowing for pinpoint, color-free stars across the entire field.\u003c\/p\u003e\n\u003cp\u003eTo further enhance contrast, the interior of the tube is equipped with a series of knife-edge baffles. These precision-placed baffles suppress stray light reflections, ensuring that your images have the jet-black background required for professional-grade 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\u003eMassive 3.4-inch Linear-Track Focuser\u003c\/h3\u003e\n\u003cp\u003eUnlike standard refractors, the Esprit EDX 100 features an overbuilt 3.4-inch linear-track rack-and-pinion focusing system. This exclusive design provides a rock-solid platform that completely eliminates image shift during critical focusing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy Payload Support:\u003c\/strong\u003e The 3.4-inch drawtube is designed to support heavy imaging trains, including large-format cooled CMOS cameras and filter wheels, without flexure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicro Focus Control:\u003c\/strong\u003e A dual-speed 11:1 micro-focus knob allows for the extreme precision needed to find the perfect focal point with high-resolution sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Rotator:\u003c\/strong\u003e The focuser assembly allows for effortless rotation of the camera to ensure your target is framed perfectly every time.\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\u003eProfessional Grade Imaging\u003c\/h3\u003e\n\u003cp\u003eWith a focal length of 840mm and a native f-ratio of f\/8.4, the Esprit EDX 100 is ideal for medium-sized nebulae and galaxy clusters. For those using full-frame sensors, an optional two-element field corrector is available to guarantee a flat field across the entire 44mm imaging plane. This combination of precision mechanics and elite optics makes it a staple for serious astrophotographers.\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 100 require a field flattener?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile the triplet objective provides excellent correction, an optional two-element field flattener is recommended for astrophotography to ensure sharp, round stars across a full 44mm image circle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat type of ED glass is used in this model?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 100mm Esprit EDX uses premium Ohara FPL-53 glass for its ED element, providing superior color correction compared to lower-grade alternatives.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the focuser stronger than the 80mm or 70mm versions?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The 100mm model is upgraded to a massive 3.4-inch linear-track focuser (compared to the 2.7-inch unit on the 70mm), specifically to handle the increased weight of larger imaging accessories.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat mount is required for the EDX 100?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWith a tube weight of 16 pounds, we recommend a medium-duty equatorial mount such as the HEQ5-R or EQ6-R Pro for stable astrophotography.\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$11435\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\u003e100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e840 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF-Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/8.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eED Glass Type\u003c\/td\u003e\n\u003ctd\u003eFPL-53\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e3.4-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\u003e16 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Length\u003c\/td\u003e\n\u003ctd\u003e22.5 inch (Fixed)\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 100 OTA\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eEsprit EDX 100 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\"\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\"\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=\"D-style Dovetail\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eD-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":51133017096477,"sku":"SW-S11435","price":2910.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Sky-Watcher-Esprit-100EDX-Telescope-1.jpg?v=1775839684","url":"https:\/\/davidastro.com\/fr\/products\/sky-watcher-edx-100-super-apo-triplet-f-5-5-telescope","provider":"David Astro","version":"1.0","type":"link"}