{"product_id":"riduttore-di-focale-full-frame-per-rc-0-8x-tecnosky","title":"Riduttore di Focale Full Frame per RC 0.8x Tecnosky","description":"\u003cstyle\u003e\n  \n  .ai-sheet-wrapper { \n      background-color: #ffffff !important; \n      color: #0f172a !important; \n      border-radius: 1rem; \n      font-family: 'Inter', sans-serif;\n      padding: 1.25rem;\n      max-width: 100%;\n      box-sizing: border-box;\n      \/* CUSTOM: General padding for feature section *\/\n      --ai-feature-icon-size: 2.25rem; \n  }\n  @media (min-width: 768px) { .ai-sheet-wrapper { padding: 2.5rem; } }\n  .ai-sheet-wrapper h1 { font-weight: 800; font-size: 2rem; color: #0f172a !important; line-height: 1.2; margin-bottom: 0.5rem; }\n  .ai-sheet-wrapper p { color: #334155 !important; line-height: 1.6; margin-bottom: 1rem; }\n  \n  \/* Features Grid *\/\n  .ai-sheet-wrapper .ai-features { \n      display: grid; \n      grid-template-columns: 1fr; \n      gap: 1rem; \n      margin-bottom: 2rem; \n  }\n  @media (min-width: 768px) { \n      .ai-sheet-wrapper .ai-features { \n          grid-template-columns: repeat(3, 1fr); \n          gap: 1.5rem; \n      } \n  }\n  \n  \/* Table Scroll *\/\n  .ai-sheet-wrapper .ai-table-scroll { \n      overflow-x: auto; \n      width: 100%; \n      margin-top: 1rem; \n      border-radius: 0.5rem; \n  }\n  .ai-sheet-wrapper table { \n      width: 100%; \n      border-collapse: collapse; \n      min-width: 400px; \n  }\n  .ai-sheet-wrapper th, .ai-sheet-wrapper td { \n      padding: 12px; \n      text-align: left; \n      font-size: 0.95rem; \n      white-space: normal; \n      word-break: break-word; \n  }\n  .ai-sheet-wrapper td { color: #0f172a !important; }\n\n  .ai-sheet-wrapper { border: none !important; box-shadow: 0 10px 30px -10px rgba(0,0,0,0.1); }\n  .ai-sheet-wrapper h2 { font-weight: 500; font-size: 1.35rem; color: #475569 !important; margin-bottom: 2rem; letter-spacing: -0.02em; }\n  .ai-sheet-wrapper h3 { font-weight: 600; font-size: 1.1rem; color: #0f172a !important; margin-bottom: 1rem; }\n  .ai-sheet-wrapper .ai-card { \n      background-color: #ffffff !important; \n      border: none !important; \n      border-radius: 1rem; \n      padding: 1.5rem; \n      box-shadow: 0 4px 15px -3px rgba(0,0,0,0.05); \n      display: flex; \/* CUSTOM: Flex layout for cards *\/\n      flex-direction: column;\n      align-items: flex-start;\n  }\n  \/* CUSTOM: Style for the card content *\/\n  .ai-sheet-wrapper .ai-card h4 {\n      font-weight: 700;\n      font-size: 1rem;\n      color: #0f172a !important;\n      margin-top: 0.5rem;\n      margin-bottom: 0.5rem;\n  }\n  .ai-sheet-wrapper .ai-card p {\n      font-size: 0.9rem;\n      color: #64748b !important;\n      margin-bottom: 0;\n  }\n  .ai-sheet-wrapper .ai-card svg { \/* CUSTOM: Style for icon in card *\/\n      width: var(--ai-feature-icon-size);\n      height: var(--ai-feature-icon-size);\n      color: #4f46e5; \/* Primary accent color *\/\n  }\n\n  .ai-sheet-wrapper .ai-table-scroll { border: none !important; }\n  .ai-sheet-wrapper th, .ai-sheet-wrapper td { border: none !important; border-bottom: 1px solid #f1f5f9 !important; }\n  .ai-sheet-wrapper th { \n      background-color: transparent !important; \n      color: #94a3b8 !important; \n      font-weight: 600; \n      text-transform: uppercase; \n      font-size: 0.75rem; \n      width: 30%; \n      letter-spacing: 0.05em; \n  }\n  \/* CUSTOM: Last row of the table without border *\/\n  .ai-sheet-wrapper tr:last-child th, \n  .ai-sheet-wrapper tr:last-child td {\n      border-bottom: none !important;\n  }\n\n\u003c\/style\u003e\n\u003cdiv class=\"ai-sheet-wrapper\"\u003e\n\u003c!-- H1: Titolo --\u003e\n\u003ch1\u003eRiduttore di Focale Full Frame per RC 0.8x\u003c\/h1\u003e\n\u003c!-- H2: Sottotitolo Persuasivo\/Entusiasta --\u003e\n\u003ch2\u003eTrasforma il tuo Ritchey-Chrétien in un Astrografo Veloce e Corretto per l'Astrofotografia a Campo Largo.\u003c\/h2\u003e\n\u003c!-- 3. Descrizione Tecnica (3 paragrafi precisi) --\u003e\n\u003ch3\u003eDescrizione Prodotto\u003c\/h3\u003e\n\u003ch5\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eIl Riduttore di Focale Full Frame 0.8x è l'accessorio indispensabile per convertire il tuo telescopio Ritchey-Chrétien in uno strumento astrografico ad alta velocità, ottimizzato per riprese deep-sky a largo campo. Questo correttore a tre elementi riduce la focale dell'80% (f\/8 diventa f\/6.4) incrementando significativamente la velocità fotografica e riducendo i tempi di esposizione.\u003c\/span\u003e\u003c\/h5\u003e\n\u003ch5\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eProgettato specificamente per telescopi RC con rapporto focale f\/8, garantisce una correzione del campo perfettamente piatta, eliminando le tipiche aberrazioni in coma e astigmatismo presenti ai bordi dell'immagine, un problema comune con i sensori di grandi dimensioni. La sua ottica multi-rivestita assicura il massimo contrasto e una trasmissione luminosa eccezionale per stelle puntiformi sull'intero formato Full Frame.\u003c\/span\u003e\u003c\/h5\u003e\n\u003ch5\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eLa versatilità è garantita dalle opzioni di connessione avanzate. Il lato telescopio presenta un robusto filetto M78x1 maschio, mentre il lato camera offre sia un filetto M48x0.75 che un M68x1, permettendo un adattamento flessibile a reflex (DSLR\/Mirrorless) e camere astronomiche dedicate. Il backfocus standard di 55mm dal filetto M48 rende l'integrazione con l'attrezzatura esistente estremamente semplice.\u003c\/span\u003e\u003c\/h5\u003e\n\u003c!-- 4. Sezione \"Caratteristiche Ingegneristiche\" (div class=\"ai-features\" con 6 card) --\u003e\n\u003ch3\u003eCaratteristiche Principali\u003c\/h3\u003e\n\u003cdiv class=\"ai-features\"\u003e\n\u003cdiv class=\"ai-card\"\u003e\n\u003csvg stroke=\"currentColor\" stroke-width=\"1.5\" viewbox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n        \u003cpath d=\"M3.75 3.75v4.5m0-.75h7.5m-7.5 0l-1.5 1.5v2.25m8.25-6l1.5-1.5h2.25m-.75 4.5l-1.5 1.5v2.25m1.5-4.5h7.5m-7.5 0v4.5m-7.5 0h7.5m-7.5 0l-1.5-1.5v-2.25m8.25 6l1.5 1.5h2.25m-.75-4.5l-1.5-1.5v-2.25\" stroke-linejoin=\"round\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n      \u003c\/svg\u003e\n\u003ch4\u003eFattore di Riduzione 0.8x\u003c\/h4\u003e\n\u003cp\u003eRiduce la focale dell'80%, trasformando un f\/8 in f\/6.4 per astrofotografia più rapida.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ai-card\"\u003e\n\u003csvg stroke=\"currentColor\" stroke-width=\"1.5\" viewbox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n        \u003cpath d=\"M9 17.25v1.006a3 3 0 01-5.947.64L3 18.75m14.25 0a.75.75 0 100 1.5.75.75 0 000-1.5zm-4.755-1.285A7.447 7.447 0 0110.5 21a7.447 7.447 0 01-6.793-4.523m14.249-.785a.75.75 0 100 1.5.75.75 0 000-1.5zm-5.632-6.502a.75.75 0 100 1.5.75.75 0 000-1.5zm-5.882-.016a.75.75 0 100 1.5.75.75 0 000-1.5z\" stroke-linejoin=\"round\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n      \u003c\/svg\u003e\n\u003ch4\u003eCopertura Full Frame\u003c\/h4\u003e\n\u003cp\u003eProgettato per correggere il campo illuminato fino ai sensori full frame (24x36mm).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ai-card\"\u003e\n\u003csvg stroke=\"currentColor\" stroke-width=\"1.5\" viewbox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n        \u003cpath d=\"M15.75 12a3.75 3.75 0 11-7.5 0 3.75 3.75 0 017.5 0z\" stroke-linejoin=\"round\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n        \u003cpath d=\"M12 6.75a5.25 5.25 0 00-5.25 5.25c0 1.378.583 2.633 1.529 3.515m3.722-1.921c.142-.234.364-.424.628-.564m2.628-2.628c.142-.234.364-.424.628-.564m-3.93-3.93c.142-.234.364-.424.628-.564m-1.529 7.03c.946.882 2.193 1.495 3.57 1.495 1.378 0 2.625-.613 3.57-1.495\" stroke-linejoin=\"round\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n      \u003c\/svg\u003e\n\u003ch4\u003eCorrezione del Campo Ottimale\u003c\/h4\u003e\n\u003cp\u003eElimina l'astigmatismo e il coma, garantendo stelle puntiformi fino ai bordi.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ai-card\"\u003e\n\u003csvg stroke=\"currentColor\" stroke-width=\"1.5\" viewbox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n        \u003cpath d=\"M12 18.75a6.75 6.75 0 006.75-6.75c0-4.004-2.887-7.314-6.75-7.795m0 0V4.5m0 3.705a6.75 6.75 0 00-6.75 6.75c0 4.004 2.887 7.314 6.75 7.795m0 0V19.5\" stroke-linejoin=\"round\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n      \u003c\/svg\u003e\n\u003ch4\u003eDesign a 3 Lenti\u003c\/h4\u003e\n\u003cp\u003eConfigurazione a tre elementi con trattamenti antiriflesso e multi-coating per la massima performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ai-card\"\u003e\n\u003csvg stroke=\"currentColor\" stroke-width=\"1.5\" viewbox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n        \u003cpath d=\"M3.75 9.776c.71-.97 1.838-1.576 3.038-1.745M19.98 12h-8.25m-11.25 0c-.863 1.144-1.374 2.506-1.374 3.885 0 3.866 3.134 7 7 7s7-3.134 7-7c0-1.379-.511-2.741-1.374-3.885M12 16.5a1.5 1.5 0 00-1.5 1.5c0 .414.336.75.75.75h1.5a.75.75 0 00.75-.75.75.75 0 00-.75-.75\" stroke-linejoin=\"round\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n      \u003c\/svg\u003e\n\u003ch4\u003eBackfocus Ottico Standard\u003c\/h4\u003e\n\u003cp\u003eDistanza di lavoro standard di 55mm dal filetto M48, compatibile con la maggior parte delle camere.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ai-card\"\u003e\n\u003csvg stroke=\"currentColor\" stroke-width=\"1.5\" viewbox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n        \u003cpath d=\"M9.594 3.75c.504-.504 1.182-.823 1.902-.823s1.398.319 1.902.823m-.004 15.498a3.75 3.75 0 01-5.303 0m5.303 0a3.75 3.75 0 005.303 0M2.25 12h19.5m-10.5 6.75l-4.2-4.2h-2.55a.75.75 0 01-.75-.75v-3c0-.414.336-.75.75-.75h2.55l4.2-4.2m-4.5 3.75L12 12m0 0l4.5 4.5m-4.5-4.5l-4.2-4.2\" stroke-linejoin=\"round\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n      \u003c\/svg\u003e\n\u003ch4\u003eDoppia Connessione Fotocamera\u003c\/h4\u003e\n\u003cp\u003eOpzioni M48 (più comune) e M68 (per setups più grandi o OAG) per la massima flessibilità.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 5. Sezione \"Specifiche Tecniche\": Tabella --\u003e\n\u003ch3\u003eSpecifiche Tecniche\u003c\/h3\u003e\n\u003cdiv class=\"ai-table-scroll\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParametro\u003c\/th\u003e\n\u003cth\u003eValore\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eTipo di Accessorio\u003c\/th\u003e\n\u003ctd\u003eRiduttore di focale e Correttore di campo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFattore di Riduzione\u003c\/th\u003e\n\u003ctd\u003e0.8x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescopi Compatibili\u003c\/th\u003e\n\u003ctd\u003eRitchey-Chrétien (RC) f\/8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRapporto Focale Risultante\u003c\/th\u003e\n\u003ctd\u003ef\/6.4 (da f\/8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCopertura Immagine\u003c\/th\u003e\n\u003ctd\u003eFull Frame (24x36mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDesign Ottico\u003c\/th\u003e\n\u003ctd\u003eTripletta (3 lenti)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTrattamento Ottico\u003c\/th\u003e\n\u003ctd\u003eMulti-Coating e Anti-Riflesso (su tutte le superfici)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCorrezione\u003c\/th\u003e\n\u003ctd\u003eAstigmatismo e Coma\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"background-color: #f8fafc !important; font-size: 0.9rem; font-weight: bold; color: #0f172a !important;\" colspan=\"2\"\u003eCONNESSIONI E DISTANZE\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFilettatura Lato Telescopio\u003c\/th\u003e\n\u003ctd\u003eM78x1 Maschio (lunghezza 5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFilettatura Lato Camera 1\u003c\/th\u003e\n\u003ctd\u003eM48x0.75 Maschio (lunghezza 5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFilettatura Lato Camera 2\u003c\/th\u003e\n\u003ctd\u003eM68x1 Maschio (lunghezza 5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDistanza di Lavoro (Backfocus) da M48\u003c\/th\u003e\n\u003ctd\u003e55 mm (standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDistanza di Lavoro (Backfocus) da M68\u003c\/th\u003e\n\u003ctd\u003e74 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiametro Massimo Correttore\u003c\/th\u003e\n\u003ctd\u003e74 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLunghezza Totale\u003c\/th\u003e\n\u003ctd\u003eCirca 70 mm (senza adattatori)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnessione Filtri\u003c\/th\u003e\n\u003ctd\u003eSì, tramite M48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatibilità Sensore\u003c\/th\u003e\n\u003ctd\u003eAPS-C e Full Frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUso Primario\u003c\/th\u003e\n\u003ctd\u003eAstrofotografia Deep Sky\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEliminazione Aberrazioni\u003c\/th\u003e\n\u003ctd\u003eSì, per campo piatto\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMateriale Corpo\u003c\/th\u003e\n\u003ctd\u003eAlluminio anodizzato\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModello di Riferimento\u003c\/th\u003e\n\u003ctd\u003eTS-Optics TSRCRED-G2 (Associato a Tecnosky)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"TECNOSKY","offers":[{"title":"Default Title","offer_id":52401004773704,"sku":"TK-TKR08RC","price":499.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0447\/9503\/5808\/files\/ridrc_1.jpg?v=1769797538","url":"https:\/\/astrofy.it\/en\/products\/riduttore-di-focale-full-frame-per-rc-0-8x-tecnosky","provider":"ASTROFY ASTRONOMY STORE","version":"1.0","type":"link"}