{"product_id":"ioptron-gem28-ec-montatura-equatoriale-encoder","title":"iOptron GEM28-EC Encoder Mount","description":"\u003ch2\u003eiOptron GEM28-EC – Equatorial Mount with Encoder, 15 kg Payload, PE \u0026lt; 0.3\"\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eiOptron GEM28-EC\u003c\/strong\u003e is the \u003cstrong\u003eoptical encoder version\u003c\/strong\u003e of the GEM28 equatorial mount. Weighing only \u003cstrong\u003e4.5 kg\u003c\/strong\u003e with a payload of \u003cstrong\u003e15 kg\u003c\/strong\u003e (with LiteRoc 1.75\" tripod), the GEM28-EC reduces periodic error to below \u003cstrong\u003e0.3 arcsec RMS\u003c\/strong\u003e via real-time encoder correction, enabling unguided exposures on short focal lengths and optimally guided sessions on any setup.\u003c\/p\u003e\n\n\u003ch3\u003eOptical Encoder: Real-Time Periodic Error Correction\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eRA-integrated encoder\u003c\/strong\u003e continuously corrects any drift, bringing PE below \u003cstrong\u003e0.3\" RMS\u003c\/strong\u003e — enabling \u003cstrong\u003eseveral-minute unguided exposures\u003c\/strong\u003e at focal lengths up to 500-600 mm, and optimally guided sessions on instruments up to 10-11 kg at focal lengths beyond 1500 mm.\u003c\/p\u003e\n\n\u003ch3\u003ePrecision Quick-Lock Mechanics\u003c\/h3\u003e\n\u003cp\u003eWorm gears \u003cstrong\u003eØ 88 mm, 144 teeth, zero backlash\u003c\/strong\u003e, Quick-Lock system, latitude adjustment \u003cstrong\u003e10° – 60°\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eGo2Nova® 8409 and Connectivity\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eGo2Nova® 8409 with 212,000 objects\u003c\/strong\u003e, PPEC, \u003cstrong\u003eWiFi, USB, ST4, ASCOM, INDI\u003c\/strong\u003e. iPolar electronic polar scope included.\u003c\/p\u003e\n\n\u003ch3\u003eiOptron GEM28-EC Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\"\u003e\n  \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eGerman equatorial with RA encoder\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003ePayload\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e12.7 kg (15 kg with LiteRoc 1.75\")\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eHead weight\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e4.5 kg\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003ePeriodic error\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e\u0026lt; 0.3\" RMS (with encoder)\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eWorm gear\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eØ 88 mm, 144 teeth, zero backlash\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eLatitude range\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e10° – 60°\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eHand controller\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eGo2Nova® 8409 – 212,000 objects\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eConnectivity\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eWiFi, USB, ST4, ASCOM, INDI\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003ePolar scope\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eiPolar electronic (included)\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eIncluded\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eLiteRoc 1.75\" tripod, 4.7 kg counterweight, case\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e2 years\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"iOptron","offers":[{"title":"Default Title","offer_id":51261268721995,"sku":"IPiopgem28ec","price":2990.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/montatura_equatoriale_ioptron_gem28ec_encoder.jpg?v=1744222922","url":"https:\/\/adriasky.it\/en\/products\/ioptron-gem28-ec-encoder-mount","provider":"Adriasky","version":"1.0","type":"link"}