{"product_id":"rb-focus-excalibur-4-0-motorized-flat-panel","title":"RB Focus eXcalibur 4.0 Motorized Flat Panel","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAutomated flat field panel and telescope cover\u003c\/li\u003e\n\u003cli\u003eNeon LED panel calibrated to the sunlight spectrum\u003c\/li\u003e\n\u003cli\u003e12-bit brightness control with 4096 distinct levels\u003c\/li\u003e\n\u003cli\u003eWireless control via Wi-Fi and ASCOM Alpaca\u003c\/li\u003e\n\u003cli\u003eBuilt-in dew heater for the panel\u003c\/li\u003e\n\u003cli\u003eDual-arm servo motor system\u003c\/li\u003e\n\u003cli\u003eAvailable in sizes from 80 mm to 460 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eRB Focus eXcalibur 4.0 Motorized Flat Panel\u003c\/h2\u003e\n\u003cp\u003eThe RB Focus eXcalibur 4.0 Motorized Flat Panel automates your flat frames and keeps your optics covered. A compact servo motor unit opens and closes a neon LED panel with 12-bit control across 4096 brightness levels, and built-in Wi-Fi with ASCOM Alpaca lets you run it completely wirelessly. It runs on 12V, weighs 186 g (varying with the panel size ordered) and is made to order in sizes from 80 mm to 460 mm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eeXcalibur 4.0: Automated Flats for Scopes from 80 mm to 460 mm\u003c\/h3\u003e\n\u003cp\u003eThe eXcalibur 4.0 transforms the tedious task of capturing flat frames into a fully automated, repeatable process integrated directly into your imaging sequence. It combines a motorized dust cover and a high-quality flat field panel into a single device, allowing you to end an imaging session, cover your telescope, and acquire calibration frames with minimal user intervention.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSunlight-Spectrum Panel: 12-bit Control Over 4096 Brightness Levels\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the system is a neon LED panel calibrated to the spectrum of sunlight, providing a neutral and homogenous light source for accurate flat frames. Its 12-bit brightness control provides 4096 levels, giving you precise control to hit your target ADU with any combination of camera, filter, and exposure time. This level of precision is critical for creating consistent flats, especially with fast optical systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eDual-Arm Servo Motor and Optics Protection\u003c\/h3\u003e\n\u003cp\u003eThe compact, light motor unit is designed to fit telescopes of different sizes more easily, including small ones where space and weight matter. A powerful servo motor drives a dual-arm system that gives the rigidity to hold the panel and work reliably on portable rigs, permanent setups and remote observatories alike. Between flats, the closed panel keeps your optics protected.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eIntegrated Dew Heater\u003c\/h3\u003e\n\u003cp\u003eA built-in heater helps prevent dew from forming and keeps the panel working even during long sessions in demanding conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eASCOM Alpaca \u0026amp; Wi-Fi: Cable-Free Control from Any Browser\u003c\/h3\u003e\n\u003cp\u003eWith built-in Wi-Fi and native ASCOM Alpaca support, the eXcalibur 4.0 eliminates the need for a physical USB cable running to your telescope. You can control the device wirelessly over your network from any Alpaca-compatible imaging software. For even simpler operation, a built-in web interface allows you to open\/close the cover and adjust brightness directly from a browser on a computer, tablet or iPad without installing a control app.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eN.I.N.A. Integration: Dynamic Brightness Control in the Advanced Sequencer\u003c\/h3\u003e\n\u003cp\u003eThe eXcalibur 4.0 is designed for deep integration with popular capture software like N.I.N.A. (Nighttime Imaging 'N' Astronomy). You can define specific brightness levels for each of your filters and incorporate the flat-capturing process directly into the Advanced Sequencer. This allows your system to automatically switch filters, set the corresponding panel brightness, and capture a full set of calibration frames as the final step of your imaging plan.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eMade-to-Order Sizing: Carbon Fiber \u0026amp; Aluminum Construction\u003c\/h3\u003e\n\u003cp\u003eThe eXcalibur 4.0 is built from carbon fiber, aluminum and engineering plastics, combining low weight with strength. Each size is made to order; choose the diameter of your dew shield or telescope opening, from 80 mm to 460 mm. A redesigned, simplified mounting system makes fitting and removing it easier.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e12V Power, USB-C and 2.1 mm DC Jack\u003c\/h3\u003e\n\u003cp\u003eThe eXcalibur 4.0 runs on 12V. Its connections are a 2.1 mm DC jack (center positive) and a USB-C port.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the RB Focus eXcalibur 4.0 Motorized Flat Panel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe eXcalibur 4.0 is a 2-in-1 device that serves as both a high-quality flat field illumination panel and a motorized, automated dust cover for your telescope. It allows you to remotely cover your optics and take calibration flat frames without being physically present at the telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I control the RB Focus eXcalibur 4.0?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWirelessly over Wi-Fi, from ASCOM Alpaca compatible software such as N.I.N.A., without a USB cable to the capture computer. You can also open its built-in web interface from a browser on a computer, tablet or iPad to open or close the panel and set the brightness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI use N.I.N.A. with LRGB and narrowband filters. How does the eXcalibur 4.0 handle different filter factors?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe eXcalibur 4.0's deep integration with N.I.N.A. allows for dynamic brightness adjustment. You can pre-configure a specific brightness level (from 0 to 4095) for each filter in your sequence. When the N.I.N.A. sequencer moves to capture flats for your Ha filter, for example, it will automatically command the panel to the exact brightness you defined for that filter, so each filter gets the brightness you set.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat size eXcalibur 4.0 should I order?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eEach variant is the diameter of the dew shield or telescope opening the panel is made for, from 80 mm to 460 mm. Measure your dew shield or tube opening and choose the matching size; ask us if you are unsure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of light source does the eXcalibur 4.0 panel use?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA neon LED panel calibrated to the spectrum of sunlight, which RB Focus says gives natural, even illumination for flat frames.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need a separate dew heater for the eXcalibur 4.0 panel itself?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The eXcalibur 4.0 has a built-in heater that helps prevent dew and keeps the panel working through long sessions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow is the eXcalibur 4.0 powered?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt runs on 12V. Its connections are a 2.1 mm center-positive DC jack and a USB-C port.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the weight of the eXcalibur 4.0 change with the panel size?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. RB Focus gives 186 g and says the weight varies with the size of the flat field panel ordered.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the eXcalibur 4.0 with software other than N.I.N.A.?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt works with applications that support ASCOM Alpaca over the network. RB Focus names N.I.N.A.; check that your program supports Alpaca cover calibrator devices.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the RB Focus eXcalibur 4.0 difficult to install on a telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe eXcalibur 4.0 features a simplified mounting system designed for easy installation and removal. Since each unit is made to order based on your telescope's diameter, it provides a secure fit without complex adjustments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePanel type\u003c\/td\u003e\n\u003ctd\u003eNeon LED, calibrated to the sunlight spectrum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrightness control\u003c\/td\u003e\n\u003ctd\u003e12-bit, 4096 levels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterials\u003c\/td\u003e\n\u003ctd\u003eCarbon fiber, aluminum and engineering plastics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating voltage\u003c\/td\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnections\u003c\/td\u003e\n\u003ctd\u003e2.1 mm DC jack (center positive), USB-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWireless\u003c\/td\u003e\n\u003ctd\u003eWi-Fi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl\u003c\/td\u003e\n\u003ctd\u003eASCOM Alpaca, built-in web interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in dew heater\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArm\u003c\/td\u003e\n\u003ctd\u003eDual-arm system, servo motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e186 g (varies with the panel size ordered)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSizes\u003c\/td\u003e\n\u003ctd\u003e80 to 460 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eRB Focus eXcalibur motor module\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eRB Focus flat field panel\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/rb-focus-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eRB Focus 2-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RB Focus","offers":[{"title":"80 mm","offer_id":67881969418525,"sku":"RB-EXCAL4-80","price":422.0,"currency_code":"CAD","in_stock":true},{"title":"100 mm","offer_id":67881969451293,"sku":"RB-EXCAL4-100","price":430.0,"currency_code":"CAD","in_stock":true},{"title":"110 mm","offer_id":67881969484061,"sku":"RB-EXCAL4-110","price":447.0,"currency_code":"CAD","in_stock":true},{"title":"120 mm","offer_id":67881969516829,"sku":"RB-EXCAL4-120","price":447.0,"currency_code":"CAD","in_stock":true},{"title":"130 mm","offer_id":67881969549597,"sku":"RB-EXCAL4-130","price":455.0,"currency_code":"CAD","in_stock":true},{"title":"145 mm","offer_id":67881969582365,"sku":"RB-EXCAL4-145","price":463.0,"currency_code":"CAD","in_stock":true},{"title":"165 mm","offer_id":67881969615133,"sku":"RB-EXCAL4-165","price":505.0,"currency_code":"CAD","in_stock":true},{"title":"170 mm","offer_id":67881969647901,"sku":"RB-EXCAL4-170","price":505.0,"currency_code":"CAD","in_stock":true},{"title":"175 mm","offer_id":67881969680669,"sku":"RB-EXCAL4-175","price":521.0,"currency_code":"CAD","in_stock":true},{"title":"180 mm","offer_id":67881969713437,"sku":"RB-EXCAL4-180","price":521.0,"currency_code":"CAD","in_stock":true},{"title":"206 mm","offer_id":67881969746205,"sku":"RB-EXCAL4-206","price":529.0,"currency_code":"CAD","in_stock":true},{"title":"235 mm","offer_id":67881969778973,"sku":"RB-EXCAL4-235","price":562.0,"currency_code":"CAD","in_stock":true},{"title":"245 mm","offer_id":67881969811741,"sku":"RB-EXCAL4-245","price":571.0,"currency_code":"CAD","in_stock":true},{"title":"270 mm","offer_id":67881969844509,"sku":"RB-EXCAL4-270","price":579.0,"currency_code":"CAD","in_stock":true},{"title":"300 mm","offer_id":67881969877277,"sku":"RB-EXCAL4-300","price":760.0,"currency_code":"CAD","in_stock":true},{"title":"310 mm","offer_id":67881969910045,"sku":"RB-EXCAL4-310","price":760.0,"currency_code":"CAD","in_stock":true},{"title":"330 mm","offer_id":67881969942813,"sku":"RB-EXCAL4-330","price":843.0,"currency_code":"CAD","in_stock":true},{"title":"355 mm","offer_id":67881969975581,"sku":"RB-EXCAL4-355","price":859.0,"currency_code":"CAD","in_stock":true},{"title":"415 mm","offer_id":67881970008349,"sku":"RB-EXCAL4-415","price":1115.0,"currency_code":"CAD","in_stock":true},{"title":"460 mm","offer_id":67881970041117,"sku":"RB-EXCAL4-460","price":1897.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/78d234_37e5e0c2890c487d9ac68b7c00ee59ec_mv2.jpg?v=1793070901","url":"https:\/\/davidastro.com\/fr\/products\/rb-focus-excalibur-4-0-motorized-flat-panel","provider":"David Astro","version":"1.0","type":"link"}