{"product_id":"shelyak-starex-high-resolution-optical-kit","title":"Shelyak Star'ex High Resolution Optical Kit New Gen(ES0038)","description":"\u003ch1\u003eShelyak Star'ex high Resolution Optical Kit \u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eWith \u003c\/span\u003e\u003cstrong\u003eStar’Ex\u003c\/strong\u003e\u003cspan\u003e (\u003c\/span\u003e\u003cem\u003e\u003cstrong\u003eStar’Explorer\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e), build your first High Resolution (HR) spectrograph to observe the spectrum of stars and other sky objects (nebulae, galaxies, planets, etc.)! \u003c\/span\u003e\u003cstrong\u003ePlease note: this kit contains only the optical components\u003c\/strong\u003e\u003cspan\u003e (see Composition tab). You’ll also need to purchase the 3D-printed parts and other components (cameras, accessories, etc.). \u003c\/span\u003e\u003cstrong\u003eThe Star’Ex project:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003eStar’Ex is a project proposed by Christian Buil, following on from \u003c\/span\u003e\u003ca href=\"https:\/\/www.shelyak.com\/?post_type=product\u0026amp;p=10017\u0026amp;preview=true\"\u003eSol’Ex\u003c\/a\u003e\u003cspan\u003e. A \u003c\/span\u003e\u003ca rel=\"noopener\" href=\"http:\/\/www.astrosurf.com\/solex\/\" target=\"_blank\"\u003ededicated site\u003c\/a\u003e\u003cspan\u003e gives you all the information you need to assemble and operate this instrument. You make the parts using 3D printing (or have them made by a specialist), then assemble the instrument with the optical elements from this kit. All the optical elements necessary to make a Star’Ex HR are included in this kit: slit, grating, lenses, guide elements, etc. En outre, un dispositif haute-performance offre plusieurs largeurs de fente « fente large » pour adopter la configuration Star’Ex à la taille de votre télescope et à la résolution spectrale souhaitée. \u003c\/span\u003e\u003cstrong\u003eNote\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e: avec ce kit optique, vous avez également tous les éléments nécessaires pour \u003c\/span\u003e\u003cstrong\u003eréaliser un Sol’Ex\u003c\/strong\u003e\u003cspan\u003e (nous vous recommandons de commencer par faire un Sol’Ex : ce serait dommage de se priver de merveilleuses images du Soleil !). Find out more about the Sol’Ex \u0026amp; Star’Ex project \u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/www.shelyak.com\/solex-starex-a-new-way-to-approach-astronomy\/?lang=en\" target=\"_blank\"\u003ehere.\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAlready have a Sol’Ex?\u003c\/strong\u003e\u003cspan\u003e Just buy the Star’Ex HR optical add-on kit and turn your Sol’Ex into a Star’Ex. \u003c\/span\u003e\u003cstrong\u003eExample of a spectrum obtained with the Star’Ex HR:\u003c\/strong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/spectres_Acuter_60mm-980x742_480x480.jpg?v=1687545397\" alt=\"\" style=\"display: block; margin-left: auto; margin-right: auto;\" width=\"543\" height=\"411\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith modest equipment (small telescope, small CMOS camera), you can produce very high resolution spectra on shiny objects, i.e. see minute details in the profile of an absorption or emission ray. You’ll also be able to measure radial velocities using the Doppler effect, see changes in the profile of a particular line, highlight a companion of a binary star, and even measure a magnetic field by adding a light polarization system as described in \u003c\/span\u003e\u003ca href=\"https:\/\/www.shelyak.com\/spectropolarimetry-or-how-to-observe-the-magnetic-field-of-a-star-with-a-72mm-telescope-and-a-3d-printed-spectrograph\/?lang=en\"\u003eGuillaume Bertrand’s article\u003c\/a\u003e\u003cspan\u003e. If you’re upgrading to a larger-diameter telescope, you’ll need to adjust the slot width to suit your telescope’s focal length, using the 4-position slot supplied with this kit. The longer the focal length, the wider the slit. A larger telescope will enable you to obtain fainter object spectra. \u003c\/span\u003e\u003cstrong\u003eNote:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003ewhen you work at high resolution, the light flux reaching the sensor is widely dispersed, so you’re limited to making targets of bright objects. To produce spectra of fainter objects, you can use the\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/www.shelyak.com\/?post_type=product\u0026amp;p=10393\u0026amp;lang=en\" target=\"_blank\"\u003e\u003cspan\u003e \u003c\/span\u003elow-resolution (BR) version of the Star’Ex\u003c\/a\u003e\u003cspan\u003e, which will enable you to produce targets such as galaxies or quasars, but with the whole visible range in one go, spectro is always a matter of compromise.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSpectral resolution: R = 700 to R = 30,000 depending on the slit width chosen (R = wavelength \/ spectral finesse)\u003c\/li\u003e\n\u003cli\u003eWavelength range: 400 nm – 700 nm\u003c\/li\u003e\n\u003cli\u003eInternal reduction ratio: 125 : 80\u003c\/li\u003e\n\u003cli\u003e10µm slit for maximum resolution, or 15, 19, 23 or 35µm slit, depending on your telescope.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e \u003c\/h3\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eKit Star’Ex HR\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRef : [ES0038]\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor the Sol’ex part :\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e[OP0176] Collimator doublet with a diameter of 25.4 mm and a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efocal length of 80 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e[OP0181] Double objectif lens with a diameter of 25.4 mm and a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efocal length of 125 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e[OP0177]\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2400 gr\/mm\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eholographic grating, 25 x 25 mm\u003c\/li\u003e\n\u003cli\u003e[SE0289] A reflective GEN 2 slit with two positions,\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003e7 and 10 µm\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewide and 6 mm long\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eFor guidance \/ Star’Ex\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e[OP0080] Two doublets with a diameter of 12.5 mm and a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efocal length of 50 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e[OP0010]\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e15x15mm\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emirror, 3mm thick\u003c\/li\u003e\n\u003cli\u003e[SE0288] GEN 2 multi-width slit with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4 positions of 14\/20\/26\/32 µm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStar’Ex HR complementary optical kit\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eRef : [ES0037]\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e[OP0080] Two doublets with a diameter of 12.5 mm and a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efocal length of 50 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e[OP0010]\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e15x15mm\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emirror, 3mm thick\u003c\/li\u003e\n\u003cli\u003e[SE0288] GEN 2 multi-width slit with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4 positions of 14\/20\/26\/32 µm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eManual \u0026amp; Warranty\u003c\/h3\u003e\n\u003cp\u003eShelyak 1-Year Warranty\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.shelyak.com\/solex-starex\/\"\u003eArticles detailing the Sol’Ex \u0026amp; Star’Ex project\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"http:\/\/www.astrosurf.com\/solex\/sol-ex-presentation-en.html\" target=\"_blank\"\u003eSol’Ex project website\u003c\/a\u003e\u003c\/p\u003e","brand":"Shelyak","offers":[{"title":"Default Title","offer_id":44118811640037,"sku":"SHE-ES0038","price":808.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Detail-kit-StarExV2.webp?v=1773518485","url":"https:\/\/astronomyplus.com\/products\/shelyak-starex-high-resolution-optical-kit","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}