{"product_id":"esatto-4-robotic-focuser","title":"ESATTO 4\" robotic focuser","description":"\u003cspan style=\"color: rgb(51, 51, 51); font-family: \" open sans sans-serif justify rgb font-size:=\"\" text-align:=\"\" background-color:=\"\"\u003eESATTO 4\" is the large dimensions robotic focuser that we designed for observatory class telescopes or for astrographs that need for large free aperture, like the Takahashi FSQ-106. Compared to the smaller models, ESATTO 4\" offers a larger free aperture of 102.2mm, a longer draw tube travel of 35mm and a higher payload capacity of 10 kg, always with the incredible technical features of all the ESATTO focusers: resolution of 0.04 microns per step, USB-C port for computer control, WiFi connection with included Virtual HandPad and ARCO rotator port.\u003c\/span\u003e\u003cdiv\u003e\u003cspan style=\"color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e\u003cspan style=\"box-sizing: border-box; font-size: small;\"\u003eESATTO 4\" is the larger robotic focuser in the ESATTO family and, thanks to the large 102.2mm free aperture and high 10kg payload capacity, it's perfect for large professional telescopes usually found in observatories or for astrographs offering a large corrected image circle that require the use of focusers with large free aperture, like the Takahashi FSQ-106.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: background-color: rgb text-align: center\u003e\u003cimg alt=\"ESATTO 4 robotic focuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/ESATTO-4-inches-robotic-focuser-descrizione2-new_713567cb-c21b-4053-b260-7939771b46a0.jpg?v=1766560302\" title=\"ESATTO 4 robotic focuser\" style=\"box-sizing: border-box; border-style: none; vertical-align: middle; max-width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: background-color: rgb text-align: center\u003e\u003cspan style=\"box-sizing: border-box; font-size: small;\"\u003eDimensions comparison: ESATTO 2\" (left), ESATTO 3\" (center) ed ESATTO 4\" (right).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003ch2 style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.5rem; font-family: \" open sans sans-serif line-height: color: rgb font-size: text-align: justify background-color:\u003eESATTO 4” robotic focuser - \u003cspan style=\"box-sizing: border-box; color: rgb(255, 102, 0);\"\u003emain features\u003c\/span\u003e:\u003c\/h2\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e\u003cspan style=\"box-sizing: border-box; font-size: small;\"\u003e- Crayford style focuser with 40 ball bearings, specially designed for very high load capacity (up to \u003cspan style=\"box-sizing: border-box; font-weight: bolder;\"\u003e10 kgs\u003c\/span\u003e) with no flexure\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box;\"\u003e\u003cspan style=\"box-sizing: border-box; font-size: small;\"\u003e- Low profile design with only \u003cspan style=\"box-sizing: border-box; font-weight: bolder;\"\u003e65mm thickness\u003c\/span\u003e (91mm with internal flange).\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box;\"\u003e\u003cspan style=\"box-sizing: border-box; font-size: small;\"\u003e- 35mm focuser travel with an incredible resolution of \u003cspan style=\"box-sizing: border-box; font-weight: bolder;\"\u003e0.04 microns per step\u003c\/span\u003e!\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box;\"\u003e\u003cspan style=\"box-sizing: border-box; font-size: small;\"\u003e- \u003cspan style=\"box-sizing: border-box; font-weight: bolder;\"\u003eRemotely controlled\u003c\/span\u003e from EAGLE or any Windows computer, it's also provided with ASCOM driver.\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box;\"\u003e\u003cspan style=\"box-sizing: border-box; font-size: small;\"\u003e- \u003cspan style=\"box-sizing: border-box; font-weight: bolder;\"\u003eUSB-C connector\u003c\/span\u003e offering greater reliability and can be connected to any USB type port thanks to the included cable.\u003cbr style=\"box-sizing: border-box;\"\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing: border-box; font-size: small;\"\u003e- It works also with\u003c\/span\u003e\u003cspan style=\"box-sizing: border-box; font-size: small;\"\u003e \u003c\/span\u003e\u003cspan style=\"box-sizing: border-box; font-weight: bolder;\"\u003ePLAY astrophotography software\u003c\/span\u003e\u003cspan style=\"box-sizing: border-box; font-size: small;\"\u003e, much more than a standalone program.\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box;\"\u003e\u003cspan style=\"box-sizing: border-box; font-size: small;\"\u003e- Remote control with \u003cspan style=\"box-sizing: border-box; font-weight: bolder;\"\u003eWiFi\u003c\/span\u003e from any smartphone, tablet or computer and\u003cspan style=\"box-sizing: border-box; font-weight: bolder;\"\u003e Virtual HandPad\u003c\/span\u003e app also for visual use!\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box;\"\u003e\u003cspan style=\"box-sizing: border-box; font-size: small;\"\u003e- ARCO port to easily connect the \u003cspan style=\"box-sizing: border-box; font-weight: bolder;\"\u003eARCO camera rotator and field de-rotator\u003c\/span\u003e to the ESATTO without the need for additional USB or 12V power cables.\u003cbr style=\"box-sizing: border-box;\"\u003e- Weight: 2050 gr.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: background-color: rgb text-align: center\u003e\u003ciframe width=\"853\" height=\"480\" frameborder=\"0\" src=\"https:\/\/www.youtube.com\/embed\/hWp1kww6KJU?rel=0\" style=\"box-sizing: border-box; border-width: 0px; border-style: initial; height: calc(562.5px); width: 1000px !important;\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003ch2 style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.5rem; font-family: \" open sans sans-serif line-height: color: rgb font-size: text-align: justify background-color:\u003e\n\u003cspan style=\"box-sizing: border-box; color: rgb(255, 102, 0);\"\u003eAll-in-one\u003c\/span\u003e design for the \u003cspan style=\"box-sizing: border-box; color: rgb(255, 102, 0);\"\u003ebest performance\u003c\/span\u003e also with professional telescopes\u003c\/h2\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e\u003cspan style=\"box-sizing: border-box; font-size: small;\"\u003eESATTO 4\" has all the most advanced technologies that allow you to get the best performance from your telescope: incredible resolution capacity of 0.04 microns per step, design with 40 bearings to offer exceptional precision and load capacity, reversible USB-C port for control from EAGLE or any external computer, ARCO port for use together with the optional robotic rotator, dimmable status LEDs that can also be turned off, WiFi connection with Virtual HandPad included for use even without a computer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: background-color: rgb text-align: center\u003e\u003cimg alt=\"ESATTO 4 robotic focuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/ESATTO-4-inches-robotic-focuser-descrizione1-EN_fb88e7ce-02f2-4232-9f40-5274adca3f53.jpg?v=1766560304\" title=\"ESATTO 4 robotic focuser\" style=\"box-sizing: border-box; border-style: none; vertical-align: middle; max-width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003ch2 style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.5rem; font-family: \" open sans sans-serif line-height: color: rgb font-size: text-align: justify background-color:\u003eThe perfect focuser for \u003cspan style=\"box-sizing: border-box; color: rgb(255, 102, 0);\"\u003eTakahashi FSQ-106 \u003c\/span\u003eastrograph\u003c\/h2\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e\u003cspan style=\"box-sizing: border-box; font-size: small;\"\u003eThanks to special optics, Takahashi FSQ-106 is one of the best performing astrographs and it's used by the best astrophotographers in the world. The special internal corrector is so large that ir requires a very large focuser to use it. For this reason ESATTO 4\" is the ideal focuser for the Takahashi FSQ-106 telescope thus allowing remote and high precision control even of very heavy cameras and accessories.\u003cbr style=\"box-sizing: border-box;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: background-color: rgb text-align: center\u003e\u003cimg alt=\"ESATTO 4 robotic focuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/ESATTO-4-inches-robotic-focuser-descrizione3-new_90c24770-707b-48c2-8153-6414706449ba.jpg?v=1766560307\" title=\"ESATTO 4 robotic focuser\" style=\"box-sizing: border-box; border-style: none; vertical-align: middle; max-width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: background-color: rgb text-align: center\u003e\u003cspan style=\"box-sizing: border-box; font-size: small;\"\u003eESATTO 4\" installed on the Takahashi FSQ-106 (with the optional adapter) and with optional M92x1 adapter. The FSQ-106 telescope is shown with PLUS 125mm support rings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003ch2 style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.5rem; font-family: \" open sans sans-serif line-height: color: rgb font-size: text-align: justify background-color:\u003eSpecial adapter for \u003cspan style=\"box-sizing: border-box; color: rgb(255, 102, 0);\"\u003eTakahashi FSQ-106\u003c\/span\u003e and to connect \u003cspan style=\"box-sizing: border-box; color: rgb(255, 102, 0);\"\u003eTakahashi\u003cspan style=\"box-sizing: border-box; color: rgb(0, 0, 0);\"\u003e photographic adapters\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e\u003cspan style=\"box-sizing: border-box; font-size: small;\"\u003eIn order to allow you to install ESATTO 4\" in place of the original Takahashi focuser, we have designed a special adapter that makes ESATTO 4\" have the same thickness of the original focuser. In addition, we have created an adapter to be screwed to the M110x1 thread of the ESATTO 4\" draw tube to convert it into an M92x1 female thread which is the same as the one on the original Takahashi focuser. In this way you can remove the original focuser, install ESATTO 4\" with the optional adapters and you will find focus point with the same photographic adapters you used before!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: background-color: rgb text-align: center\u003e\u003cimg alt=\"ESATTO 4 robotic focuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/ESATTO-4-inches-robotic-focuser-descrizione5-new_36b24b8b-55a3-4e82-9bbe-af1d57d1e3c5.jpg?v=1766560309\" title=\"ESATTO 4 robotic focuser\" style=\"box-sizing: border-box; border-style: none; vertical-align: middle; max-width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: background-color: rgb text-align: center\u003e\u003cspan style=\"box-sizing: border-box; font-size: small;\"\u003eESATTO 4\" installed on the Takahashi FSQ-106 (with the optional adapter) and with optional M92x1 adapter. The FSQ-106 telescope is shown with PLUS 125mm support rings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: background-color: rgb text-align: center\u003e\u003cimg alt=\"ESATTO 4 robotic focuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/ESATTO-4-inches-robotic-focuser-descrizione6-new_783d7ff5-a359-46cb-8397-e901c7a27c87.png?v=1766560311\" title=\"ESATTO 4 robotic focuser\" width=\"1000\" style=\"box-sizing: border-box; border-style: none; vertical-align: middle; max-width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: background-color: rgb text-align: center\u003e\u003cspan style=\"box-sizing: border-box; font-size: small;\"\u003eDimensions of the ESATTO 4\" robotic focuser.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003ch2 style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.5rem; font-family: \" open sans sans-serif line-height: color: rgb font-size: text-align: justify background-color:\u003eConnect with a single cable to \u003cspan style=\"box-sizing: border-box; color: rgb(255, 102, 0);\"\u003eARCO\u003c\/span\u003e to remotely control also the \u003cspan style=\"box-sizing: border-box; color: rgb(255, 102, 0);\"\u003ecamera rotator and field de-rotator\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e\u003cspan style=\"box-sizing: border-box; font-size: small;\"\u003eESATTO includes a special port allowing ARCO, the camera rotator and field de-rotator, to be directly connected. With ARCO, you can remotely control the rotation angle of your camera in order to achieve perfect framing of the object you want to record. If you have an alt-az mount, you can use ARCO to de-rotate the field without the need of an equatorial wedge! ESATTO and ARCO are designed to work together - You will need only one short interconnect between the two!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0.8rem; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: text-align: justify background-color: rgb\u003e \u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; color: rgb(51, 51, 51); font-family: \" open sans sans-serif font-size: background-color: rgb text-align: center\u003e\u003cimg alt=\"ESATTO 4 robotic focuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/ESATTO-4-inches-robotic-focuser-descrizione7_d76dd151-d935-4440-82bc-60b911428003.jpg?v=1766560313\" title=\"ESATTO 4 robotic focuser\" style=\"box-sizing: border-box; border-style: none; vertical-align: middle; max-width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Primaluce Lab","offers":[{"title":"Default Title","offer_id":44013711851631,"sku":"PLLEST4","price":1980.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/esatto-4-robotic-microfocuser__69396.jpg?v=1766560315","url":"https:\/\/ontariotelescope.com\/products\/esatto-4-robotic-focuser","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}