{"title":"Spectrohéliographes Shelyak (Sol'Ex, SUNSCAN)","description":"\u003cp\u003eShelyak fournit les kits optiques de Sol'Ex et SUNSCAN, deux spectrohéliographes qui reconstruisent une image du Soleil ligne par ligne à partir de son spectre, dans des longueurs d'onde comme l'H-alpha, le calcium ou le sodium. Sol'Ex est un instrument à construire soi-même, conçu par Christian Buil, avec des pièces mécaniques imprimées en 3D autour des optiques Shelyak. SUNSCAN, de STAROS Projects, est une conception plus compacte et intégrée.\u003c\/p\u003e\u003cp\u003eUne fente GEN2 à deux positions de 7 et 10 µm convient aux deux instruments.\u003c\/p\u003e","products":[{"product_id":"shelyak-es0035","title":"Shelyak Optical kit for SUNSCAN spectroheliograph by STAROS Projects","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eEnables construction of the STAROS Projects SUNSCAN spectroheliograph\u003c\/li\u003e\n\u003cli\u003eAllows solar imaging at user-selected wavelengths\u003c\/li\u003e\n\u003cli\u003eProvides the core optical components for the project\u003c\/li\u003e\n\u003cli\u003eCompleted instrument is controllable via smartphone or tablet\u003c\/li\u003e\n\u003cli\u003eDesigned for advanced DIY astronomy projects\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\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\u003eOptical kit for SUNSCAN spectroheliograph by STAROS Projects\u003c\/h2\u003e\n      \u003cp\u003eThis is the core optical kit for the innovative SUNSCAN spectroheliograph from STAROS Projects. It provides the essential optical elements required to construct a modern, stand-alone instrument capable of imaging the Sun in any wavelength you choose. Once assembled, the complete SUNSCAN system is designed to be controlled wirelessly through a dedicated smartphone or tablet application, bringing advanced solar analysis into the hands of the dedicated amateur.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eBuild a Custom-Wavelength Solar Spectroheliograph\u003c\/h3\u003e\n      \u003cp\u003eA spectroheliograph builds a monochromatic image of the Sun by scanning it, slit by slit, capturing only the light from a specific spectral line. This kit is the foundation of that capability, enabling you to assemble an instrument that goes beyond common H-alpha or Calcium-K filters to explore other interesting lines like Sodium D or Helium D3.\u003c\/p\u003e\n      \u003cp\u003eBy undertaking the SUNSCAN project, you can create a highly specialized solar telescope tailored to your specific research or imaging interests. The finished instrument allows you to see solar features like prominences, filaments, and plage with unique contrast depending on the wavelength selected.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n    \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eThe Optical Foundation for Your SUNSCAN Project: What's Required\u003c\/h3\u003e\n      \u003cp\u003eThis product provides the specialized optical components only. It is intended for the dedicated hobbyist ready to take on a rewarding DIY project. To complete the SUNSCAN spectroheliograph, you will need to source several other components separately.\u003c\/p\u003e\n      \u003cp\u003ePlease be aware that this kit does not include the 3D-printed structural parts, focuser, imaging camera, Raspberry Pi 4 controller, tripod, or other complementary hardware. These items must be acquired independently to complete the instrument as designed by STAROS Projects.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat exactly is in the SUNSCAN Optical Kit?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThis kit contains only the core optical elements required for the STAROS Projects SUNSCAN spectroheliograph. It is not a complete instrument. You will need to supply all mechanical parts, electronics, and hardware separately.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat else do I need to build the full SUNSCAN spectroheliograph?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eTo complete the project, you must source several items independently. Key components not included are:\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003e3D-Printed Parts:\u003c\/strong\u003e The main body and structure of the instrument.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eElectronics:\u003c\/strong\u003e A Raspberry Pi 4 (RP4) for control, plus an imaging camera.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e A focuser, tripod, and various fasteners.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the SUNSCAN project suitable for a beginner?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThis is an advanced DIY project best suited for experienced astronomical instrument makers and solar imagers. It requires sourcing parts, 3D printing, and assembling electronic and optical components. Familiarity with spectrograph principles is highly recommended.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow is the completed SUNSCAN instrument controlled?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe SUNSCAN spectroheliograph is designed by STAROS Projects to be a stand-alone unit. It is controlled wirelessly via a dedicated application on a smartphone or tablet, which communicates with the onboard Raspberry Pi 4.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the SUNSCAN to image in the H-alpha line?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. The principle of the spectroheliograph is to allow imaging at any user-selected wavelength. You can configure the instrument to image in the hydrogen-alpha line (656.3 nm) as well as other spectral lines of interest, such as Calcium-K, Helium D3, or Sodium D lines.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhere can I find the plans for the 3D-printed parts for the SUNSCAN project?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe design for the SUNSCAN is an open-source project from STAROS Projects. You should refer to their official project page or community forums for the latest STL files and assembly instructions.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eThis product is covered by the standard David Astro warranty. Please contact us for more details.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shelyak","offers":[{"title":"Default Title","offer_id":52943032877341,"sku":"SHK-ES0035","price":748.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Shelyak-Optical-kit-for-SUNSCAN-spectroheliograph-by-STAROS-Projects-1_1ba110d8-fb41-4767-b3f2-7f55279e097e.jpg?v=1789615981"},{"product_id":"shelyak-es0036","title":"Shelyak Optical kit for Sol’Ex spectroheliograph","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eBuild a high-resolution solar spectroheliograph\u003c\/li\u003e\n\u003cli\u003eAchieves 0.03 nm resolution at 650 nm\u003c\/li\u003e\n\u003cli\u003eTunable across the 400 nm to 700 nm visible spectrum\u003c\/li\u003e\n\u003cli\u003eInternal optical reduction ratio of 125:80\u003c\/li\u003e\n\u003cli\u003eBased on the open-source Sol'Ex project by Christian Buil\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\n\u003cli\u003eDownloads\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\u003eOptical kit for Sol’Ex spectroheliograph\u003c\/h2\u003e\n\u003cp\u003eThis optical kit provides the core components to build your own Sol'Ex, an instrument capable of achieving an incredible 0.03 nm resolution for solar imaging. The system operates across the entire visible spectrum from 400 nm to 700 nm, utilizing an internal reduction ratio of 125:80 designed for the 3D-printed instrument body. With this kit, you can construct a spectroheliograph that reveals the Sun's chromosphere with contrast far exceeding that of standard commercial filters.\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\u003eUnlocking the Chromosphere with 0.03 nm Resolution\u003c\/h3\u003e\n\u003cp\u003eThe defining feature of the Sol'Ex is its spectral resolving power. This kit enables a resolution of 0.03 nm (equivalent to 0.3 Ångströms), an extremely narrow bandpass that isolates specific spectral lines with exceptional purity. This allows you to produce high-contrast images of chromospheric features like filaments, prominences, and plage that are often washed out by broader, more common solar filters.\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\u003eA 400 nm to 700 nm Window on Solar Activity\u003c\/h3\u003e\n\u003cp\u003eUnlike fixed-wavelength filters, the Sol'Ex design allows you to image the Sun at any wavelength within the 400 nm to 700 nm range. You are not limited to just Hydrogen-alpha; you can capture images in Sodium (Na D), Helium (He D3), Hydrogen-beta, and more, revealing different layers and activity in the solar atmosphere. The instrument works as a spectroheliograph, scanning the solar disk and using the included software to reconstruct a detailed monochromatic image.\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\u003eA 125:80 Optical Core for the Sol'Ex and Star'Ex Projects\u003c\/h3\u003e\n\u003cp\u003eThis kit contains the essential optics—slit, grating, lenses—to serve as the heart of your 3D-printed Sol'Ex. The 125:80 internal reduction ratio is specified for the build files developed by Christian Buil, ensuring compatibility. Please note that this is a DIY project; you must source the 3D-printed parts and other components like cameras and adapters separately. For those interested in stellar science, this same optical core can be converted into a high-resolution stellar spectrograph, Star'Ex, with a complementary optical kit.\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 else do I need to build a complete Sol'Ex with this optical kit?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis kit contains \u003cstrong\u003eonly the optical components\u003c\/strong\u003e. To complete the Sol'Ex, you will need to source the 3D-printed housing parts (STL files are available on the Sol'Ex project website) and other hardware, including an imaging camera, a guiding camera, and telescope adapters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of telescope is required for the Sol'Ex spectroheliograph?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Sol'Ex is designed to be mounted on a small telescope. To see the entire solar disk in a single image scan, a telescope with a focal length of \u003cstrong\u003e450mm or less\u003c\/strong\u003e is recommended. Using a telescope with a longer focal length is possible and will yield more detailed images of specific regions on the Sun, but you will not capture the full disk.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Sol'Ex's 0.03 nm resolution compare to a standard H-alpha filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e0.03 nm (0.3 Å)\u003c\/strong\u003e resolution of the Sol'Ex is significantly narrower than most commercially available solar filters. For comparison, many high-end amateur H-alpha filters have a bandpass of 0.05 nm to 0.07 nm (0.5 Å to 0.7 Å). This narrower bandpass is what allows the Sol'Ex to produce images with superior contrast on fine chromospheric details.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I image prominences in H-alpha with the Sol'Ex optical kit?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, absolutely. Once you build the Sol'Ex and tune it to the Hydrogen-alpha wavelength (656.3 nm), its high resolution and contrast are ideal for capturing detailed images of solar prominences against the dark sky, as well as filaments on the solar disk itself.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs it difficult to process the images from the Sol'Ex?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Sol'Ex project includes dedicated software designed for automatic image processing. The instrument captures data by scanning the Sun, and the software then reconstructs the final, high-contrast monochromatic image from this data, making the process straightforward.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I upgrade my Sol'Ex to a Star'Ex for stellar spectroscopy?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Sol'Ex is designed to be convertible into a stellar spectrograph called Star'Ex. This requires a few additional optical elements, which are available in a separate complementary kit (Star’Ex HR complementary kit). This allows you to use the same core instrument to analyze the spectra of stars.\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\u003eResolution at 650 nm\u003c\/td\u003e\n\u003ctd\u003e0.03 nm (with 10 micron slit width)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWavelength Range\u003c\/td\u003e\n\u003ctd\u003e400 nm – 700 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Reduction Ratio\u003c\/td\u003e\n\u003ctd\u003e125:80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.shelyak.com\/software\/?lang=en\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/shelyak-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eShelyak 1-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shelyak","offers":[{"title":"Default Title","offer_id":52943033106717,"sku":"SHK-ES0036","price":593.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Shelyak-Optical-kit-for-Sol-Ex-spectroheliograph-1_3515680a-873c-40f7-b32c-8a320113d37f.jpg?v=1789615989"},{"product_id":"shelyak-se0289","title":"Shelyak Sol’Ex \/ SUNSCAN 2-position slit 7 – 10 µm (GEN2)","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eDual Slit Widths: 7µm and 10µm\u003c\/li\u003e\n\u003cli\u003eSubstrate Dimensions: 12 x 8 x 2 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Heat-Resistant Eagle XG Glass\u003c\/li\u003e\n\u003cli\u003eWavelength Range: 350 nm to 1000 nm\u003c\/li\u003e\n\u003cli\u003eCoating: Anti-Reflection\u003c\/li\u003e\n\u003cli\u003eFor Sol'Ex \u0026amp; SUNSCAN Spectroheliographs\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\u003eSol’Ex \/ SUNSCAN 2-position slit 7 – 10 µm (GEN2)\u003c\/h2\u003e\n\u003cp\u003eThe Sol’Ex \/ SUNSCAN GEN2 2-position slit features two parallel slits, 7µm and 10µm wide, on a single 12 x 8 mm glass blade. This second-generation design uses a 2 mm thick, heat-resistant Eagle XG substrate with an anti-reflection coating effective from 350 to 1000 nm. The narrower 7µm slit is specifically included for high-precision applications, such as solar magnetic field measurement, giving spectroheliograph builders a critical optical component.\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 7µm and 10µm Slits for High-Resolution Solar Work\u003c\/h3\u003e\n\u003cp\u003eThis GEN2 component incorporates two selectable slits on a single substrate, allowing you to switch between different resolutions without changing parts. The 10µm slit is excellent for general solar spectroscopy, while the finer 7µm slit enables more demanding, high-precision studies where greater spectral resolution is required. This narrower aperture is particularly effective for projects like measuring solar magnetic fields via the Zeeman effect.\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\u003e2mm Thick Eagle XG Substrate with 350-1000nm AR Coating\u003c\/h3\u003e\n\u003cp\u003eThe slit is fabricated on a specialized Eagle XG glass substrate, chosen for its thermal resistance and excellent transmission across a wide 350 to 1000 nm wavelength range. The 2 mm thickness makes the 12 x 8 mm blade robust and easy to handle. It also simplifies cleaning, as both sides can be safely wiped with absorbent cotton and water. The face opposite the slit is anti-reflection coated to maximize light throughput and minimize internal reflections.\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\u003eDesigned for Sol’Ex, SUNSCAN, and Custom Spectrographs\u003c\/h3\u003e\n\u003cp\u003eWhile designed as a direct upgrade for the Sol’Ex and SUNSCAN spectroheliographs, this 2-position slit is also available for your own custom instrument projects. Please note that the slit is delivered without a holder. For Sol’Ex users, the 3D printing files and instructions for the support are available in the project documentation; for custom builds, you will need to design your own mounting solution.\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 advantage of the GEN2 2-position slit for a Sol'Ex instrument?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary advantage is having two slit widths on a single component. You can use the \u003cstrong\u003e10µm slit\u003c\/strong\u003e for brighter, general-purpose solar viewing and the \u003cstrong\u003e7µm slit\u003c\/strong\u003e for high-resolution studies, such as measuring magnetic fields, without needing to disassemble the instrument to swap slits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need to buy a separate holder for this Sol’Ex \/ SUNSCAN slit?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the slit is delivered without its 3D-printed support. You must fabricate the holder yourself. For \u003cstrong\u003eSol'Ex and SUNSCAN users\u003c\/strong\u003e, the necessary files and instructions are provided in the official instrument documentation. If you are using this for a custom project, you must design and create your own support.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I clean the GEN2 2-position slit?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 2 mm thick glass substrate is relatively robust. You can safely clean both sides using a soft, absorbent cotton ball lightly moistened with water. This helps remove dust and residue without damaging the slit or the anti-reflection coating.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich slit on the Sol'Ex \/ SUNSCAN GEN2 slit is better for measuring the Zeeman effect?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe narrower \u003cstrong\u003e7µm slit\u003c\/strong\u003e is designed for high-precision applications like measuring the Zeeman splitting of spectral lines. This requires higher spectral resolution to resolve the small wavelength shifts caused by solar magnetic fields, making the 7µm slit the ideal choice for this type of scientific work.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this slit to study the Fraunhofer lines in the solar spectrum with my custom spectrograph?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. The slit's excellent transmission from \u003cstrong\u003e350 to 1000 nm\u003c\/strong\u003e covers the entire visible spectrum and beyond, making it perfect for studying the solar continuum and its many Fraunhofer absorption lines. You would need to design a compatible holder for your specific instrument.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the GEN2 2-position slit compatible with older Sol'Ex and SUNSCAN builds?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this is a compatible upgrade for existing Sol'Ex and SUNSCAN instruments. However, you will need to print the corresponding GEN2 holder for it, as the mount design may have changed from earlier versions. Always refer to the latest project documentation for the correct 3D printing files.\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\u003eProduct\u003c\/td\u003e\n\u003ctd\u003e2-Position Slit GEN2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlit Widths\u003c\/td\u003e\n\u003ctd\u003e7 µm and 10 µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eSol’Ex, SUNSCAN, Custom Projects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubstrate Material\u003c\/td\u003e\n\u003ctd\u003eEagle XG Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubstrate Dimensions\u003c\/td\u003e\n\u003ctd\u003e12 x 8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubstrate Thickness\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffective Wavelength Range\u003c\/td\u003e\n\u003ctd\u003e350 - 1000 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoating\u003c\/td\u003e\n\u003ctd\u003eAnti-Reflection (one side)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHolder\u003c\/td\u003e\n\u003ctd\u003eNot included (requires 3D printing)\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\"\u003eSol’Ex \/ SUNSCAN 2-position slit 7 – 10 µm (GEN2)\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\/shelyak-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eShelyak 1-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shelyak","offers":[{"title":"Default Title","offer_id":52943055454493,"sku":"SHK-SE0289","price":106.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Shelyak-Sol-Ex-SUNSCAN-2-position-slit-7-10-m-GEN2-1_c2318036-6b1a-4b6a-913b-a8f03015d4d5.jpg?v=1789616557"}],"url":"https:\/\/davidastro.com\/fr-us\/collections\/shelyak-spectroheliographs-sol-ex-sunscan.oembed","provider":"David Astro","version":"1.0","type":"link"}