{"product_id":"artesky-80ed-f-7-apo-rifrattore","title":"Artesky 80ED f\/7 APO Refractor","description":"\u003ch2\u003eArtesky 80mm ED APO Refractor: High Optical Quality and Versatility\u003c\/h2\u003e\n\u003cp\u003e \u003cstrong\u003eArtesky\u003c\/strong\u003e presents its new \u003cstrong\u003e80mm APO ED\u003c\/strong\u003e refractor, designed to offer exceptional performance in astrophotography and observation. Equipped with a doublet objective with two high-quality elements, one in \u003cstrong\u003eFCD1-B Ohara (Japan)\u003c\/strong\u003e and the other in \u003cstrong\u003eLanthanum glass\u003c\/strong\u003e , this telescope guarantees images free of chromatic aberrations and high contrast.\u003c\/p\u003e\n\u003cp\u003e Thanks to the possibility of reduction with a \u003cstrong\u003efactor of 0.8x\u003c\/strong\u003e , you can transform the focal length to \u003cstrong\u003e450 mm (f\/5.6)\u003c\/strong\u003e or use it at the full focal length of \u003cstrong\u003e560 mm (f\/7.0)\u003c\/strong\u003e with the \u003cstrong\u003e1x\u003c\/strong\u003e variable field flattener.\u003c\/p\u003e\n\u003ch2\u003e Top Color Correction with APO Technology\u003c\/h2\u003e\n\u003cp\u003e The refractor combines advanced optical glass to completely eliminate chromatic aberrations, surpassing the performance of many traditional doublets. The combination of FCD1-B and Lanthanum allows for exceptional sharpness and color fidelity, ideal for astrophotography and visual observations.\u003c\/p\u003e\n\u003ch2\u003e Main Features\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eAperture:\u003c\/strong\u003e 80mm\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eFocal length:\u003c\/strong\u003e 560mm (reducible to 450mm with the 0.8x reducer)\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eFocal ratio:\u003c\/strong\u003e f\/7.0 (f\/5.6 with reducer)\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eDoublet lens:\u003c\/strong\u003e 2 elements (FCD1-B Ohara + Lanthanum)\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eInternal construction:\u003c\/strong\u003e Deflectors to eliminate reflections and increase contrast\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eFocuser:\u003c\/strong\u003e 2.5\" rack and pinion, dual speed, load capacity up to 4kg\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eCompatibility:\u003c\/strong\u003e M63x1, 2\" and 1.25\" threaded connections\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003ePortable Design:\u003c\/strong\u003e Retractable lens hood and CNC aluminum tube for added strength\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eAccessories Included:\u003c\/strong\u003e CNC Aluminum Rings and Vixen Style Dovetail Bar\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eQuality Control:\u003c\/strong\u003e Each unit is visually and mechanically tested before shipping\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003e Dual Focal: Flexibility for Astrophotography\u003c\/h2\u003e\n\u003cp\u003e With the \u003cstrong\u003ededicated 0.8x reducer\u003c\/strong\u003e (sold separately), you can reduce the focal length to \u003cstrong\u003e450mm\u003c\/strong\u003e and achieve a focal ratio of \u003cstrong\u003ef\/5.6\u003c\/strong\u003e , perfect for capturing wide star fields. Alternatively, the 1x variable field flattener allows you to use the full focal length for even greater versatility.\u003c\/p\u003e\n\u003ch2\u003e Technical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\n\u003cthead\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003e Characteristic\u003c\/th\u003e\n\n\u003cth\u003e Detail\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\u003e \u003cstrong\u003eAperture\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e 80mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eFocal length\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e 560 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eFocal ratio\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e f\/7.0\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eObjective\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e Air spaced doublet (FCD1-B Ohara + Lanthanum)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003ePipe material\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e Aluminum\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eTube weight\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e 3.1 kg (including rings and bar)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eTube length\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e 460mm (lens hood retracted)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003ePipe diameter\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e 89mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eOuter diameter of the lens hood\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e 103.6 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eFocuser\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e 2.5\" Rack and Pinion\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eEyepiece side connections\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e 1.25\", 2\" and M63x1 female thread\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eBack focus\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e 123 mm from 2\" mount \/ 161 mm from M63x1 thread\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eTube rings\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e 3 M6 threaded holes per side (1 central, 2 13mm apart from centre)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\u003ch2\u003e Why Choose Artesky 80mm APO ED?\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eSuperior optical quality:\u003c\/strong\u003e Thanks to the combination of advanced FCD1-B and Lanthanum glass.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eFlexibility in astrophotography:\u003c\/strong\u003e Use with 0.8x reducer or 1x variable flattener for a double focal length.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eSturdy and precise construction:\u003c\/strong\u003e High-quality materials, rigorous testing and compact design for easy portability.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eHigh quality images:\u003c\/strong\u003e No chromatic aberration, high sharpness and contrast.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e This refractor is the ideal choice for amateur astronomers and astrophotographers looking for excellent performance in a compact and versatile telescope.\u003c\/p\u003e","brand":"Artesky","offers":[{"title":"Default Title","offer_id":51475477430603,"sku":"AKART80EDF7","price":599.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/artesky_rifrattore_80ED_APO_alta_qualita_ottica_versatilita_fotografia_osservazione_tubo_telescopio.jpg?v=1744217627","url":"https:\/\/adriasky.it\/en\/products\/artesky-80ed-f-7-apo-refractor","provider":"Adriasky","version":"1.0","type":"link"}