{"product_id":"askar-sqa106-rifrattore-apocromatico-106mm-f-4-8-quadrupletto-petzval-per-astrofotografia","title":"Askar SQA106 – 106mm f\/4.8 Apochromatic Petzval Quintuplet Full Frame Refractor","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 16px; line-height: 1.6; color: #333;\"\u003e\n\n\u003ch1 style=\"font-size: 24px; font-weight: bold;\"\u003eAskar SQA106 – 106mm f\/4.8 Full-Frame Quintuplet Apochromatic Refractor\u003c\/h1\u003e\n\n\u003c!-- Descrizione breve --\u003e\n\u003cp style=\"font-size: 18px; margin-top: 10px;\"\u003eThe \u003cstrong\u003eAskar SQA106\u003c\/strong\u003e is a \u003cstrong\u003epremium-grade apochromatic refractor\u003c\/strong\u003e with a 106mm aperture and an f\/4.8 focal ratio. Thanks to its \u003cstrong\u003efull-frame Petzval quintuplet design\u003c\/strong\u003e, it offers a corrected field without the need for additional field flatteners, making it perfect for \u003cstrong\u003edeep-sky astrophotography\u003c\/strong\u003e. With high-quality ED glass optics and a robust focuser, it guarantees sharp images free from chromatic aberration, with pinpoint stars across the entire sensor.\u003c\/p\u003e\n\n\u003c!-- Punti di forza --\u003e\n\u003cul style=\"margin-top: 15px; padding-left: 20px;\"\u003e\n\n\u003cli\u003e106mm f\/4.8 apochromatic refractor\u003c\/li\u003e\n\n\u003cli\u003eFull-frame Petzval quintuplet optical design\u003c\/li\u003e\n\n\u003cli\u003eFlat field without additional correctors\u003c\/li\u003e\n\n\u003cli\u003eED glass optics for excellent color control\u003c\/li\u003e\n\n\u003cli\u003eIdeal for astrophotography of nebulae, galaxies, and star clusters\u003c\/li\u003e\n\n\u003cli\u003eFull-frame sensor compatibility\u003c\/li\u003e\n\n\u003cli\u003e3.5\" rack-and-pinion focuser with 360° rotator\u003c\/li\u003e\n\n\u003cli\u003eRobust construction with anodized CNC tube\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003c!-- Specifiche tecniche --\u003e\n\u003ch2 style=\"font-size: 20px; margin-top: 30px;\"\u003eTechnical specifications\u003c\/h2\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 10px;\"\u003e\n\n\u003cthead\u003e\n\n\u003ctr\u003e\n\n\u003cth style=\"padding: 8px; border: 1px solid #ccc; background: #f9f9f9;\"\u003eParameter\u003c\/th\u003e\n\n\u003cth style=\"padding: 8px; border: 1px solid #ccc; background: #f9f9f9;\"\u003eValue\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/thead\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eModel\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eAskar SQA106\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eType\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003ePetzval quintuplet apochromatic refractor\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eAperture\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e106 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eFocal length\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e500 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eFocal ratio\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003ef\/4.8\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eOptical design\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e5 elements in 3 groups (Petzval quintuplet)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eField correction\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eIntegrated, full-frame\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eFocuser\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e3.5\" rack \u0026amp; pinion with 360° rotator\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eSensor compatibility\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eFull-frame\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eTube dimensions\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e~610 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eWeight\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e~7.5 kg\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003c!-- Box finale --\u003e\n\u003cdiv style=\"background-color: #f0f8ff; padding: 15px; margin-top: 30px; border-left: 4px solid #007acc;\"\u003e\n\n\u003cstrong\u003eFree shipping in Italy\u003c\/strong\u003e\u003cbr\u003eProducts costing over \u003cstrong\u003e€199.99\u003c\/strong\u003e qualify for \u003cstrong\u003efree shipping\u003c\/strong\u003e.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Official \u003cstrong\u003eAskar\u003c\/strong\u003e warranty with technical support and assistance in Italy.\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"Askar","offers":[{"title":"Default Title","offer_id":51121384554712,"sku":"ASK-SQA106","price":3599.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/0722\/6072\/files\/askarrifrattore-sqa106-106mm-f48-giordanophoto3.jpg?v=1764084143","url":"https:\/\/www.giordanoastronomia.it\/en\/products\/askar-sqa106-rifrattore-apocromatico-106mm-f-4-8-quadrupletto-petzval-per-astrofotografia","provider":"Giordano Astronomia","version":"1.0","type":"link"}