{"product_id":"sky-watcher-flattener-for-esprit-80","title":"Sky Watcher Flattener for Esprit 80","description":"\u003c!-- jacobs-auto-desc v1 --\u003e\n\u003cp style=\"line-height: 1.6;\"\u003eTransform your astrophotography setup into a high-performance imaging rig with this dedicated optical corrector. Engineered specifically for the Sky-Watcher Esprit 80 ED PRO triplet refractor, it corrects inherent field curvature to deliver pinpoint stars across a generous imaging circle. Whether you shoot with a DSLR or a cooled dedicated astronomy camera, this precision-threaded doublet ensures your camera sensor captures crisp, distortion-free detail from frame centre to corner.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 12px; margin: 18px 0;\"\u003e\n\u003cdiv style=\"flex: 1 1 150px; min-width: 150px; text-align: center; padding: 16px 12px; border: 1px solid #E7E5E4; border-radius: 12px; background: #FAFAF9;\"\u003e\n\u003cdiv style=\"font-size: 30px; line-height: 1; margin-bottom: 4px;\"\u003e\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -0.125em; flex-shrink: 0;\"\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"10\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"6\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"2\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-weight: 600;\"\u003e33mm Image Circle\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; color: #78716c; margin-top: 2px;\"\u003eBroad edge-to-edge coverage\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 150px; min-width: 150px; text-align: center; padding: 16px 12px; border: 1px solid #E7E5E4; border-radius: 12px; background: #FAFAF9;\"\u003e\n\u003cdiv style=\"font-size: 30px; line-height: 1; margin-bottom: 4px;\"\u003e\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -0.125em; flex-shrink: 0;\"\u003e\u003cpolygon points=\"12 2 2 7 12 12 22 7 12 2\"\u003e\u003c\/polygon\u003e\u003cpolyline points=\"2 17 12 22 22 17\"\u003e\u003c\/polyline\u003e\u003cpolyline points=\"2 12 12 17 22 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-weight: 600;\"\u003eMatched Doublet\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; color: #78716c; margin-top: 2px;\"\u003eCustom-tuned for Esprit 80\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 150px; min-width: 150px; text-align: center; padding: 16px 12px; border: 1px solid #E7E5E4; border-radius: 12px; background: #FAFAF9;\"\u003e\n\u003cdiv style=\"font-size: 30px; line-height: 1; margin-bottom: 4px;\"\u003e\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -0.125em; flex-shrink: 0;\"\u003e\u003cpath d=\"M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z\"\u003e\u003c\/path\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"3\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-weight: 600;\"\u003eM48 Fitting\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; color: #78716c; margin-top: 2px;\"\u003eLarge clear aperture reduces halation\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 150px; min-width: 150px; text-align: center; padding: 16px 12px; border: 1px solid #E7E5E4; border-radius: 12px; background: #FAFAF9;\"\u003e\n\u003cdiv style=\"font-size: 30px; line-height: 1; margin-bottom: 4px;\"\u003e\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -0.125em; flex-shrink: 0;\"\u003e\u003cpath d=\"M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-weight: 600;\"\u003e5-Year Warranty\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; color: #78716c; margin-top: 2px;\"\u003eReliable manufacturer backing\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin: 22px 0 8px; font-size: 20px;\"\u003ePrecision Optical Alignment\u003c\/h3\u003e\n\u003cp style=\"line-height: 1.6;\"\u003eThe doublet lens group is matched directly to the optical characteristics of the Esprit 80 ED PRO refractor. Precision threading guarantees that the triplet objective and the corrector lenses sit perfectly square and centred along the optical axis, eliminating tilt and keeping off-axis stars sharp and round across the full 33mm imaging plane.\u003c\/p\u003e\n\u003ch3 style=\"margin: 22px 0 8px; font-size: 20px;\"\u003eVersatile Camera Integration\u003c\/h3\u003e\n\u003cp style=\"line-height: 1.6;\"\u003eConfiguring your imaging train is straightforward thanks to versatile spacing options. Using the included M48 spacer provides the standard 55mm working distance ideal for DSLR T-rings and popular astro-imaging gear, while unthreading the spacer exposes the native M62 thread to deliver 61mm of back focus for complex filter wheels and dedicated CCD assemblies.\u003c\/p\u003e\n\u003cdiv style=\"border-left: 4px solid #e06a0f; background: #FDF1E7; padding: 14px 18px; margin: 18px 0; border-radius: 8px;\"\u003e\n\u003cstrong\u003e\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -0.125em; flex-shrink: 0;\"\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"10\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"6\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"2\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e Wide M48 Clear Aperture\u003c\/strong\u003e\u003cbr\u003eFeatures an oversized M48 rear fitting designed specifically to minimise edge vignetting and reduce unwanted halation around brighter stars.\u003c\/div\u003e\n\u003ch3 style=\"margin: 22px 0 8px; font-size: 20px;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style: none; line-height: 1.7; padding-left: 0;\"\u003e\n\u003cli\u003e\n\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -0.125em; flex-shrink: 0;\"\u003e\u003cpolygon points=\"12 2 2 7 12 12 22 7 12 2\"\u003e\u003c\/polygon\u003e\u003cpolyline points=\"2 17 12 22 22 17\"\u003e\u003c\/polyline\u003e\u003cpolyline points=\"2 12 12 17 22 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cstrong\u003eBespoke Doublet Optics\u003c\/strong\u003e – Custom optical formulation tailored specifically for the Sky-Watcher Esprit 80 ED PRO triplet refractor.\u003c\/li\u003e\n\u003cli\u003e\n\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -0.125em; flex-shrink: 0;\"\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"10\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"6\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"2\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e \u003cstrong\u003e33mm Corrected Circle\u003c\/strong\u003e – Produces a generously flat focal plane with sharp, pin-point stars across sensors up to APS-C size.\u003c\/li\u003e\n\u003cli\u003e\n\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -0.125em; flex-shrink: 0;\"\u003e\u003cpath d=\"M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z\"\u003e\u003c\/path\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"3\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e \u003cstrong\u003eAnti-Halation Aperture\u003c\/strong\u003e – Wide M48 clear opening optimises light throughput and curbs reflection artefacts during deep-sky sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -0.125em; flex-shrink: 0;\"\u003e\u003cline x1=\"4\" y1=\"21\" x2=\"4\" y2=\"14\"\u003e\u003c\/line\u003e\u003cline x1=\"4\" y1=\"10\" x2=\"4\" y2=\"3\"\u003e\u003c\/line\u003e\u003cline x1=\"12\" y1=\"21\" x2=\"12\" y2=\"12\"\u003e\u003c\/line\u003e\u003cline x1=\"12\" y1=\"8\" x2=\"12\" y2=\"3\"\u003e\u003c\/line\u003e\u003cline x1=\"20\" y1=\"21\" x2=\"20\" y2=\"16\"\u003e\u003c\/line\u003e\u003cline x1=\"20\" y1=\"12\" x2=\"20\" y2=\"3\"\u003e\u003c\/line\u003e\u003cline x1=\"1\" y1=\"14\" x2=\"7\" y2=\"14\"\u003e\u003c\/line\u003e\u003cline x1=\"9\" y1=\"8\" x2=\"15\" y2=\"8\"\u003e\u003c\/line\u003e\u003cline x1=\"17\" y1=\"16\" x2=\"23\" y2=\"16\"\u003e\u003c\/line\u003e\u003c\/svg\u003e \u003cstrong\u003eDual Spacing Options\u003c\/strong\u003e – Achieves 55mm back focus with the supplied spacer attached, or 61mm working distance directly from the native M62 thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -0.125em; flex-shrink: 0;\"\u003e\u003crect x=\"3\" y=\"11\" width=\"18\" height=\"11\" rx=\"2\" ry=\"2\"\u003e\u003c\/rect\u003e\u003cpath d=\"M7 11V7a5 5 0 0 1 10 0v4\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \u003cstrong\u003eThreaded Security\u003c\/strong\u003e – High-precision threads secure the corrector firmly to the optical path, preventing flexure and slippage common to push-fit adaptors.\u003c\/li\u003e\n\u003cli\u003e\n\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -0.125em; flex-shrink: 0;\"\u003e\u003ccircle cx=\"12\" cy=\"8\" r=\"7\"\u003e\u003c\/circle\u003e\u003cpolyline points=\"8.21 13.89 7 23 12 20 17 23 15.79 13.88\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cstrong\u003eTwo-Year Warranty\u003c\/strong\u003e – Supported by full manufacturer warranty coverage for total peace of mind in the field.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin: 22px 0 8px; font-size: 20px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 14px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #E7E5E4; font-weight: 600; background: #F5F5F4; width: 40%;\"\u003eModel \/ Part Number\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #E7E5E4;\"\u003e20187 (skywatcher_flattener_esprit_80_20187)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #E7E5E4; font-weight: 600; background: #F5F5F4; width: 40%;\"\u003eCompatible Telescope\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #E7E5E4;\"\u003eSky-Watcher Esprit 80 ED PRO Triplet Refractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #E7E5E4; font-weight: 600; background: #F5F5F4; width: 40%;\"\u003eOptical Design\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #E7E5E4;\"\u003eOptically-matched doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #E7E5E4; font-weight: 600; background: #F5F5F4; width: 40%;\"\u003eImaging Circle\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #E7E5E4;\"\u003e33mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #E7E5E4; font-weight: 600; background: #F5F5F4; width: 40%;\"\u003eBody Thread (without spacer)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #E7E5E4;\"\u003eM62\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #E7E5E4; font-weight: 600; background: #F5F5F4; width: 40%;\"\u003eRear Thread (with spacer)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #E7E5E4;\"\u003eM48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #E7E5E4; font-weight: 600; background: #F5F5F4; width: 40%;\"\u003eBack Focus Spacing (with M48 spacer)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #E7E5E4;\"\u003e55mm from mating surface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #E7E5E4; font-weight: 600; background: #F5F5F4; width: 40%;\"\u003eBack Focus Spacing (without spacer)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #E7E5E4;\"\u003e61mm from M62 mating surface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #E7E5E4; font-weight: 600; background: #F5F5F4; width: 40%;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #E7E5E4;\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin: 22px 0 8px; font-size: 20px;\"\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul style=\"list-style: none; line-height: 1.7; padding-left: 0;\"\u003e\n\u003cli\u003e\n\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -0.125em; flex-shrink: 0;\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e Sky-Watcher Field Flattener for Esprit 80 ED PRO\u003c\/li\u003e\n\u003cli\u003e\n\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -0.125em; flex-shrink: 0;\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e Dedicated M48 Camera Spacer\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":49551894544643,"sku":"SWA-ESPR80FF","price":345.0,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/1859\/files\/70edx-reducer-1.jpg?v=1789285376","url":"https:\/\/www.jacobsdigital.co.nz\/products\/sky-watcher-flattener-for-esprit-80","provider":"Jacobs Digital","version":"1.0","type":"link"}