{"product_id":"gem28-g281b","title":"GEM28 - Econ","description":"\u003cp\u003e\u003cb\u003eIntroducing iOptron’s new compact next-generation German equatorial mounts the GEM28!\u003c\/b\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eLike their predecessors, the GEM28 is designed with portability in mind, weighing in at only 10 lbs it can support payloads up to 28 lbs -- an incredible 2.8 payload-to-self weight ratio. We achieved this using design methods developed to reduce mount mass in our GEM family of mounts. These German EQ versions were created to satisfy consumer that prefer a more traditional mount and to function at higher latitudes.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eBuilding on the legacy of earlier GEM models we have added features for convenience and functionality: a positive lock gear engagement system that's easy to use even when wearing gloves the built-in Wi-Fi enables unparallel connectivity, and recordable permanent periodic error correction (PPEC) to repeat optimal PEC training sessions. Regarding functionality the GEM28 delivers precise pointing and accurate tracking. The GEM28 sets the new standard for compact German equatorial goto mounts.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe GEM28 is equipped with the latest advanced GOTONOVA® GOTO technology, making it one of the most powerful and accurate GOTO mounts available. The 212,000+ object library ensures you’ll never run out of targets to see or image. The Go2Nova® Hand Controller is intuitive to use and its large 4-line LCD screen simplifies the process of setting telescopes and locating objects.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe GEM28 ECON does NOT come with a supporting tripod or pier; it has an AccuAlign\u003c\/span\u003e\u003cspan\u003eTM\u003c\/span\u003e\u003cspan\u003e optical polar scope installed for quick and easy polar alignment.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManual:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.ioptron.com\/v\/Manuals\/G28_GEM28_QSG.pdf\"\u003eQuick Start Guide\u003c\/a\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.ioptron.com\/v\/Manuals\/G28_GEM28_Manual.pdf\"\u003eInstruction Manual\u003c\/a\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.ioptron.com\/v\/manuals\/3339_iPolarOperationManual.pdf\"\u003eiPolar Operation Manual\u003c\/a\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFirmware and Software:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.ioptron.com\/Articles.asp?ID=333\"\u003eDownload Latest Firmware\u003c\/a\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.ioptron.com\/v\/firmware\/3339_iOptron_iPolar.exe\"\u003eiPolar Software\u003c\/a\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eiOptron Telescope ASCOM Driver:\u003cbr\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003ca href=\"https:\/\/www.ioptron.com\/Articles.asp?ID=332\"\u003eInstall ASCOM Driver and Commander\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable border=\"1\" cellspacing=\"0\" cellpadding=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eMount\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eGerman Equatorial Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003ePayload *\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003e28 lbs (12.7kg), exclude counterweight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eMount weight\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003e10 lbs (4.5kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003ePayload\/Mount weight\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003e2.80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eStructure Material\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eAll metal, Casting + CNC machined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eExterior Finish\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003ePowder coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003ePeriodic error (PE) **\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003e\u0026lt;±12 arcsec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003ePEC\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eYes, Permanent PEC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eWorm period\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003e600 sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eRight Ascension worm wheel\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eΦ88mm, 144 teeth aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eDeclination worm wheel\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eΦ88mm, 144 teeth aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eRight Ascension axis shaft\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eΦ35mm steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eDeclination axis shaft\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eΦ35mm steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eRight Ascension bearing\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eΦ55mm ball bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eDeclination bearing\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eΦ55mm ball bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eWorm gears\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eΦ15.2mm, Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eMotor drive\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003e1.8º stepper motor, 128X microdivision\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eResolution\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003e0.17 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eTransmission\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eSynchronous belt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eLatitude adjustment range\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003e10º ~ 70º\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eAzimuth adjustment range\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003e± 6º\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003ePolar Scope\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eAccuAlign\u003csup\u003eTM\u003c\/sup\u003e optical polar scope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eLevel indicator\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eLevel bubble\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eHand Controller\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eGo2Nova® 8409 with ~212,000 objects database\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eTracking\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eAutomatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eSlew speed\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003e1×,2×,8×,16×,64×,128×,256×,512×,MAX(6º\/sec)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003ePower consumption\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003e0.6A(Tracking), 0.9A(GOTO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003ePower requirement\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003e12V DC, 5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eAC adapter\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003e100V ~ 240V (included, for indoor use only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003ePower-down memory\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eWi-Fi\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eBuilt-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eCommunication port\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eYes (Wi-Fi and USB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eAutoguide port\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eYes (ST-4 compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eFirmware upgrade\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003ePC computer control\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eYes (ASCOM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eCounterweight shaft\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eΦ20X200mm (M16), Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eShaft extension\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eΦ20X120mm (M16), Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003e\n\u003cspan id=\"selection-marker-1\"\u003e\u003c\/span\u003e Counterweight\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003e10 lbs (4.5kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eDovetail saddle\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003e3.8\" Vixen-style, center adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eCarrying case\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eOptional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eGPS\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eOptional external 32-channel GPS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eAutoguiding\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eOptional external iGuider 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eOperation temperature\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003e-10ºC ~ 40ºC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"217\" align=\"right\"\u003eWarranty\u003c\/td\u003e\n\u003ctd width=\"354\" align=\"center\"\u003eTwo year limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"iOptron","offers":[{"title":"Default Title","offer_id":48962323382491,"sku":"G281B","price":1542.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0224\/6770\/6960\/files\/ioptron-mounts-tripods-gem28-econ-1253325651.png?v=1786038969","url":"https:\/\/telescopescanada.ca\/fr\/products\/gem28-g281b","provider":"Telescopes Canada","version":"1.0","type":"link"}