{"product_id":"celestron-ultima-edge-15mm-flat-field-eyepiece-1-25","title":"Celestron Ultima Edge – 15mm Flat Field Eyepiece (1.25″)","description":"\u003ch2 data-start=\"42\" data-end=\"135\"\u003e\u003cstrong data-start=\"45\" data-end=\"133\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eCelestron\u003c\/span\u003e\u003c\/span\u003e Ultima Edge – 15mm Flat Field Eyepiece (1.25″)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"136\" data-end=\"226\"\u003e\u003cstrong data-start=\"136\" data-end=\"226\"\u003ePremium wide-field, high-clarity eyepiece for immersive planetary \u0026amp; deep-sky observing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"228\" data-end=\"684\"\u003eThe \u003cstrong data-start=\"232\" data-end=\"272\"\u003eUltima Edge 15mm Flat Field Eyepiece\u003c\/strong\u003e is a high-performance \u003cstrong data-start=\"295\" data-end=\"340\"\u003eUltra Flat Field (UFF), parfocal eyepiece\u003c\/strong\u003e designed for astronomers who demand \u003cstrong data-start=\"377\" data-end=\"447\"\u003epinpoint-sharp stars, excellent contrast, and edge-to-edge clarity\u003c\/strong\u003e. Featuring a sophisticated \u003cstrong data-start=\"475\" data-end=\"503\"\u003e8-element optical design\u003c\/strong\u003e, fully multi-coated lenses, and a generous \u003cstrong data-start=\"547\" data-end=\"577\"\u003e65° apparent field of view\u003c\/strong\u003e, this eyepiece delivers breathtaking views of the \u003cstrong data-start=\"628\" data-end=\"683\"\u003eMoon, planets, star clusters, nebulae, and galaxies\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"686\" data-end=\"967\"\u003eAvailable from \u003cstrong data-start=\"701\" data-end=\"758\"\u003eModern Telescopes – India’s largest telescope network\u003c\/strong\u003e, the Ultima Edge 15mm is perfectly suited for \u003cstrong data-start=\"805\" data-end=\"906\"\u003eNewtonian reflectors, Dobsonians, refractors, Schmidt-Cassegrains (SCTs), and Maksutov telescopes\u003c\/strong\u003e equipped with standard \u003cstrong data-start=\"930\" data-end=\"966\"\u003e1.25″ focusers or star diagonals\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"969\" data-end=\"972\"\u003e\n\u003ch2 data-start=\"974\" data-end=\"1016\"\u003e🌌 Ultra-Flat, Edge-to-Edge Performance\u003c\/h2\u003e\n\u003cp data-start=\"1018\" data-end=\"1254\"\u003eDesigned to “\u003cstrong data-start=\"1031\" data-end=\"1056\"\u003esee the whole picture\u003c\/strong\u003e,” Ultima Edge eyepieces provide a \u003cstrong data-start=\"1091\" data-end=\"1165\"\u003euniformly sharp and flat image from the center right to the field edge\u003c\/strong\u003e—dramatically reducing field curvature and distortion compared to conventional eyepieces.\u003c\/p\u003e\n\u003cul data-start=\"1256\" data-end=\"1520\"\u003e\n\u003cli data-start=\"1256\" data-end=\"1337\"\u003e\n\u003cp data-start=\"1258\" data-end=\"1337\"\u003e\u003cstrong data-start=\"1258\" data-end=\"1279\"\u003e15mm focal length\u003c\/strong\u003e offers versatile \u003cstrong data-start=\"1297\" data-end=\"1335\"\u003emedium-to-high power magnification\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1338\" data-end=\"1419\"\u003e\n\u003cp data-start=\"1340\" data-end=\"1419\"\u003e\u003cstrong data-start=\"1340\" data-end=\"1375\"\u003eWide 65° apparent field of view\u003c\/strong\u003e for immersive, space-walk-style observing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1420\" data-end=\"1520\"\u003e\n\u003cp data-start=\"1422\" data-end=\"1520\"\u003eIdeal for \u003cstrong data-start=\"1432\" data-end=\"1518\"\u003elunar detail, planetary observing, globular clusters, and compact deep-sky objects\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1522\" data-end=\"1525\"\u003e\n\u003ch2 data-start=\"1527\" data-end=\"1587\"\u003e🔭 Advanced Optical Design for Maximum Light Transmission\u003c\/h2\u003e\n\u003cul data-start=\"1589\" data-end=\"1878\"\u003e\n\u003cli data-start=\"1589\" data-end=\"1656\"\u003e\n\u003cp data-start=\"1591\" data-end=\"1656\"\u003e\u003cstrong data-start=\"1591\" data-end=\"1622\"\u003e8 lens elements in 5 groups\u003c\/strong\u003e with proprietary optical design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1657\" data-end=\"1744\"\u003e\n\u003cp data-start=\"1659\" data-end=\"1744\"\u003e\u003cstrong data-start=\"1659\" data-end=\"1688\"\u003eFully multi-coated optics\u003c\/strong\u003e for superior brightness, contrast, and color fidelity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1745\" data-end=\"1808\"\u003e\n\u003cp data-start=\"1747\" data-end=\"1808\"\u003eExcellent performance across fast and slow telescope optics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1809\" data-end=\"1878\"\u003e\n\u003cp data-start=\"1811\" data-end=\"1878\"\u003eOptimized for both \u003cstrong data-start=\"1830\" data-end=\"1878\"\u003evisual astronomy and observational precision\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1880\" data-end=\"1883\"\u003e\n\u003ch2 data-start=\"1885\" data-end=\"1938\"\u003e👓 Comfortable Viewing for Long Observing Sessions\u003c\/h2\u003e\n\u003cp data-start=\"1940\" data-end=\"2003\"\u003eThe Ultima Edge 15mm is designed with observer comfort in mind:\u003c\/p\u003e\n\u003cul data-start=\"2005\" data-end=\"2225\"\u003e\n\u003cli data-start=\"2005\" data-end=\"2089\"\u003e\n\u003cp data-start=\"2007\" data-end=\"2089\"\u003e\u003cstrong data-start=\"2007\" data-end=\"2035\"\u003eGenerous 16mm eye relief\u003c\/strong\u003e – comfortable for eyeglass and non-eyeglass wearers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2090\" data-end=\"2152\"\u003e\n\u003cp data-start=\"2092\" data-end=\"2152\"\u003e\u003cstrong data-start=\"2092\" data-end=\"2121\"\u003eFold-down rubber eyeguard\u003c\/strong\u003e for flexible eye positioning\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2153\" data-end=\"2225\"\u003e\n\u003cp data-start=\"2155\" data-end=\"2225\"\u003eWide field without eye strain, even during extended viewing sessions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2227\" data-end=\"2230\"\u003e\n\u003ch2 data-start=\"2232\" data-end=\"2287\"\u003e🛠 Precision-Machined Body \u0026amp; Universal Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"2289\" data-end=\"2511\"\u003eCrafted from \u003cstrong data-start=\"2302\" data-end=\"2325\"\u003ehigh-grade aluminum\u003c\/strong\u003e with a \u003cstrong data-start=\"2333\" data-end=\"2358\"\u003eblack anodized finish\u003c\/strong\u003e, this eyepiece is both durable and elegant. A \u003cstrong data-start=\"2405\" data-end=\"2432\"\u003emolded rubber grip ring\u003c\/strong\u003e ensures secure, non-slip handling—even during cold or gloved observing nights.\u003c\/p\u003e\n\u003cul data-start=\"2513\" data-end=\"2731\"\u003e\n\u003cli data-start=\"2513\" data-end=\"2590\"\u003e\n\u003cp data-start=\"2515\" data-end=\"2590\"\u003e\u003cstrong data-start=\"2515\" data-end=\"2541\"\u003e1.25″ (31.75mm) barrel\u003c\/strong\u003e fits all standard 1.25″ focusers and diagonals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2591\" data-end=\"2674\"\u003e\n\u003cp data-start=\"2593\" data-end=\"2674\"\u003e\u003cstrong data-start=\"2593\" data-end=\"2623\"\u003eInternally threaded barrel\u003c\/strong\u003e accepts standard \u003cstrong data-start=\"2641\" data-end=\"2672\"\u003e1.25″ filters (M28.5 x 0.6)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2675\" data-end=\"2731\"\u003e\n\u003cp data-start=\"2677\" data-end=\"2731\"\u003eLightweight yet robust for perfect telescope balance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2733\" data-end=\"2736\"\u003e\n\u003ch2 data-start=\"2738\" data-end=\"2770\"\u003e🔄 Convenient Parfocal Design\u003c\/h2\u003e\n\u003cp data-start=\"2772\" data-end=\"3009\"\u003eSpend less time refocusing and more time observing. The \u003cstrong data-start=\"2828\" data-end=\"2862\"\u003eUltima Edge series is parfocal\u003c\/strong\u003e, allowing you to swap between Ultima Edge eyepieces with \u003cstrong data-start=\"2920\" data-end=\"2948\"\u003eminimal or no refocusing\u003c\/strong\u003e, making your observing sessions smoother and more efficient.\u003c\/p\u003e\n\u003cblockquote data-start=\"3011\" data-end=\"3173\"\u003e\n\u003cp data-start=\"3013\" data-end=\"3173\"\u003e\u003cstrong data-start=\"3013\" data-end=\"3022\"\u003eNote:\u003c\/strong\u003e The \u003cstrong data-start=\"3027\" data-end=\"3063\"\u003eUltima Edge 24mm is not parfocal\u003c\/strong\u003e. Parfocality applies \u003cstrong data-start=\"3085\" data-end=\"3121\"\u003eonly within the Ultima Edge line\u003c\/strong\u003e and not with eyepieces from other brands or series.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"3175\" data-end=\"3178\"\u003e\n\u003ch2 data-start=\"3180\" data-end=\"3210\"\u003e📐 Technical Specifications\u003c\/h2\u003e\n\u003cul data-start=\"3212\" data-end=\"3767\"\u003e\n\u003cli data-start=\"3212\" data-end=\"3238\"\u003e\n\u003cp data-start=\"3214\" data-end=\"3238\"\u003e\u003cstrong data-start=\"3214\" data-end=\"3231\"\u003eFocal Length:\u003c\/strong\u003e 15mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3239\" data-end=\"3279\"\u003e\n\u003cp data-start=\"3241\" data-end=\"3279\"\u003e\u003cstrong data-start=\"3241\" data-end=\"3261\"\u003eBarrel Diameter:\u003c\/strong\u003e 1.25″ (31.75mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3280\" data-end=\"3324\"\u003e\n\u003cp data-start=\"3282\" data-end=\"3324\"\u003e\u003cstrong data-start=\"3282\" data-end=\"3300\"\u003eEyepiece Type:\u003c\/strong\u003e Wide-Field Flat Field\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3325\" data-end=\"3360\"\u003e\n\u003cp data-start=\"3327\" data-end=\"3360\"\u003e\u003cstrong data-start=\"3327\" data-end=\"3354\"\u003eApparent Field of View:\u003c\/strong\u003e 65°\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3361\" data-end=\"3396\"\u003e\n\u003cp data-start=\"3363\" data-end=\"3396\"\u003e\u003cstrong data-start=\"3363\" data-end=\"3387\"\u003eField Stop Diameter:\u003c\/strong\u003e 19.6mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3397\" data-end=\"3432\"\u003e\n\u003cp data-start=\"3399\" data-end=\"3432\"\u003e\u003cstrong data-start=\"3399\" data-end=\"3418\"\u003eOptical Design:\u003c\/strong\u003e Proprietary\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3433\" data-end=\"3470\"\u003e\n\u003cp data-start=\"3435\" data-end=\"3470\"\u003e\u003cstrong data-start=\"3435\" data-end=\"3462\"\u003eLens Elements \/ Groups:\u003c\/strong\u003e 8 \/ 5\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3471\" data-end=\"3515\"\u003e\n\u003cp data-start=\"3473\" data-end=\"3515\"\u003e\u003cstrong data-start=\"3473\" data-end=\"3494\"\u003eOptical Coatings:\u003c\/strong\u003e Fully Multi-Coated\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3516\" data-end=\"3540\"\u003e\n\u003cp data-start=\"3518\" data-end=\"3540\"\u003e\u003cstrong data-start=\"3518\" data-end=\"3533\"\u003eEye Relief:\u003c\/strong\u003e 16mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3541\" data-end=\"3588\"\u003e\n\u003cp data-start=\"3543\" data-end=\"3588\"\u003e\u003cstrong data-start=\"3543\" data-end=\"3556\"\u003eParfocal:\u003c\/strong\u003e Yes (within Ultima Edge line)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3589\" data-end=\"3632\"\u003e\n\u003cp data-start=\"3591\" data-end=\"3632\"\u003e\u003cstrong data-start=\"3591\" data-end=\"3610\"\u003eFilter Threads:\u003c\/strong\u003e 1.25″ (M28.5 x 0.6)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3633\" data-end=\"3668\"\u003e\n\u003cp data-start=\"3635\" data-end=\"3668\"\u003e\u003cstrong data-start=\"3635\" data-end=\"3649\"\u003eEye Guard:\u003c\/strong\u003e Fold-down rubber\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3669\" data-end=\"3700\"\u003e\n\u003cp data-start=\"3671\" data-end=\"3700\"\u003e\u003cstrong data-start=\"3671\" data-end=\"3689\"\u003eBody Material:\u003c\/strong\u003e Aluminum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3701\" data-end=\"3731\"\u003e\n\u003cp data-start=\"3703\" data-end=\"3731\"\u003e\u003cstrong data-start=\"3703\" data-end=\"3714\"\u003eWeight:\u003c\/strong\u003e 5.18 oz (147g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3732\" data-end=\"3767\"\u003e\n\u003cp data-start=\"3734\" data-end=\"3767\"\u003e\u003cstrong data-start=\"3734\" data-end=\"3749\"\u003eDimensions:\u003c\/strong\u003e 70 × 45 × 45 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3769\" data-end=\"3772\"\u003e\n\u003ch2 data-start=\"3774\" data-end=\"3810\"\u003e⭐ Why Buy from Modern Telescopes?\u003c\/h2\u003e\n\u003cp data-start=\"3812\" data-end=\"4067\"\u003e✔ \u003cstrong data-start=\"3814\" data-end=\"3890\"\u003eIndia’s largest and most trusted telescope \u0026amp; astronomy accessories store\u003c\/strong\u003e\u003cbr data-start=\"3890\" data-end=\"3893\"\u003e✔ Authorized source for \u003cstrong data-start=\"3917\" data-end=\"3948\"\u003egenuine Celestron eyepieces\u003c\/strong\u003e\u003cbr data-start=\"3948\" data-end=\"3951\"\u003e✔ Expert guidance for beginners and advanced astronomers\u003cbr data-start=\"4007\" data-end=\"4010\"\u003e✔ Nationwide delivery with reliable after-sales support\u003c\/p\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":42983773208637,"sku":null,"price":18500.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/6595\/8205\/files\/93451_15mm_Ultima_Edge_Eyepiece_01.webp?v=1770484942","url":"https:\/\/moderntelescopes.net\/products\/celestron-ultima-edge-15mm-flat-field-eyepiece-1-25","provider":"Modern Telescopes","version":"1.0","type":"link"}