{"product_id":"daystar-quark-calcium-h-filter","title":"DAYSTAR QUARK CALCIUM-H FILTER","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv align=\"left\"\u003e\n\u003cp\u003e\u003cspan face=\"Verdana,Arial\" style=\"font-family: Verdana, Arial;\" data-mce-style=\"font-family: Verdana, Arial;\"\u003eThe DayStar Instruments Calcium-H Quark Eyepiece is a revolution in Solar observation and imaging, allowing users to experience incredible views with their telescope of choice for a fraction of the cost of competing, purpose-built Solar telescopes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan face=\"Verdana,Arial\" style=\"font-family: Verdana, Arial;\" data-mce-style=\"font-family: Verdana, Arial;\"\u003eTo prevent damage to your telescope, the Quark must be used with an appropriate energy rejection filter (sold separately). \u003c\/span\u003e\u003c\/strong\u003e\u003cspan face=\"Verdana,Arial\" style=\"font-family: Verdana, Arial;\" data-mce-style=\"font-family: Verdana, Arial;\"\u003eFor refractors under 120mm of aperture, a screw-in UV\/IR-cut filter can be used if placed in front of the telescope diagonal. Do not use a UV\/IR-cut filter with \u003cstrong data-mce-fragment=\"1\"\u003eoil-spaced objectives\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e or any telescope with an \u003c\/span\u003e\u003cstrong data-mce-fragment=\"1\"\u003eintegrated field flattener or Petzval lens\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e.\u003c\/span\u003e\u003cstrong\u003e The UV\/IR-cut filter must be the first optical element to receive concentrated light. \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan face=\"Verdana,Arial\" style=\"font-family: Verdana, Arial;\" data-mce-style=\"font-family: Verdana, Arial;\"\u003eThe Calcium Quark cannot be used with standard red or yellow glass energy rejection filters. Recommended for use with a UV\/IR cut filter for safety. The Calcium Quark can NOT be used with front mount ERF.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan face=\"Verdana,Arial\" style=\"font-family: Verdana, Arial;\" data-mce-style=\"font-family: Verdana, Arial;\"\u003eThis new, All-In-One design marries high quality components of a telecentric barlow, adapters, snouts and Daystar Calcium-H filter into one simple assembly. Through design efficiency and optimization, now users can enjoy the known high quality optics of DayStar at an affordable price.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv align=\"left\"\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000; font-family: Verdana, Arial;\" face=\"Verdana,Arial\" color=\"#0033ff\" data-mce-style=\"color: #000000; font-family: Verdana, Arial;\"\u003e\u003cb\u003eWhy H-line?\u003c\/b\u003e\u003c\/span\u003e\u003cspan style=\"color: #b6010e; font-family: Verdana, Arial;\" face=\"Verdana,Arial\" color=\"#b6010e\" data-mce-style=\"color: #b6010e; font-family: Verdana, Arial;\"\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Verdana, Arial;\" face=\"Verdana,Arial\" data-mce-style=\"font-family: Verdana, Arial;\"\u003eMany astronomers forget that the Calcium H-line and K-line yield virtually identical views of the Sun. Solar researchers who only image the Sun with CCD cameras often choose the K-Line for purely research purposes. Sadly, with Calcium K-line filters, many older astronomers are unable to see the lower wavelength and miss out on all the fun. Daystar offers higher wavelength Calcium H-line filters for visual observers so that most people can enjoy Calcium!\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: Verdana, Arial;\" face=\"Verdana,Arial\" data-mce-style=\"font-family: Verdana, Arial;\"\u003eFor use on F\/7 or longer focal ratio refractors, the user needn't worry about configurations. Just insert in your diagonal, add an eyepiece and view. Short focal ratio refractors will need a 2x or 2.5x Powermate (or similar telecentric barlow) to get the best performance.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003cdiv align=\"left\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Verdana, Arial;\" face=\"Verdana,Arial\" data-mce-style=\"font-family: Verdana, Arial;\"\u003eExact filter bandpass will vary based on final telescope application. No specific FWHM bandpass is designated, but it will be around 5Å. The fully optimized design eliminates the need for any adapters. It's all combined in one lightweight eyepiece sized device.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: Verdana, Arial;\" face=\"Verdana,Arial\" data-mce-style=\"font-family: Verdana, Arial;\"\u003eBaffles have been added to increase contrast and AR coatings are optimized for the 397nm wavelength.\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Verdana, Arial, Helvetica, sans-serif;\" face=\"Verdana, Arial, Helvetica, sans-serif\" data-mce-style=\"font-family: Verdana, Arial, Helvetica, sans-serif;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: -webkit-left;\" align=\"left\" data-mce-style=\"text-align: -webkit-left;\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: small;\" data-mce-style=\"font-size: small;\"\u003e\u003ci\u003e\u003cspan size=\"2\" data-mce-style=\"font-size: small;\"\u003eThe QUARK assembly is a product of DayStar Instruments, using DayStar Filters' Fabry Perot etalon technology.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/i\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cspan style=\"font-size: small;\" data-mce-style=\"font-size: small;\"\u003e\u003cspan size=\"2\" data-mce-style=\"font-size: small;\"\u003eSpecifications\u003c\/span\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli\u003eCalcium H line (3968.5Å), approx 5Å FWHM.\u003c\/li\u003e\n\u003cli\u003e1.25\" eyepiece snout with safety indent slot directly into your diagonal or focuser\u003c\/li\u003e\n\u003cli\u003eStandard 1.25 eyepiece drawtube output with optional 2\" accessories available.\u003c\/li\u003e\n\u003cli\u003eBrass compression ring to protect eyepiece. Uses USB power, 5v 1.5amp Includes 90-240VAC wall adapter with international plug adapters.\u003c\/li\u003e\n\u003cli\u003eIntegrated 25mm blocking filter, 21mm clear filter aperture. No barlow or focusing elements included.\u003c\/li\u003e\n\u003cli\u003eBest performance with F\/7 - F\/30 refractors full aperture.\u003c\/li\u003e\n\u003cli\u003eFull disk viewing possible on refractors up to ~1800mm focal length\u003c\/li\u003e\n\u003cli\u003eNo aperture limitations. May be used on larger refractors for higher magnification views\u003c\/li\u003e\n\u003cli\u003eShips in convenient Twist-Case for safe, dust-free storage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e Downloads\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" style=\"width: 55.9146%; margin-left: auto; margin-right: auto;\" class=\"MsoNormalTable\" data-mce-style=\"width: 55.9146%; margin-left: auto; margin-right: auto;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 22px;\" data-mce-style=\"height: 22px;\"\u003e\n\u003ctd style=\"background: #f1f1f1; padding: 5.5pt; width: 100%; height: 22px;\" data-mce-style=\"background: #f1f1f1; padding: 5.5pt; width: 100%; height: 22px;\"\u003e\n\u003cimg height=\"27\" width=\"27\" alt=\"ZWO camera software\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/009-telescope-small.png?v=1580188157\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/009-telescope-small.png?v=1580188157\"\u003e \u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/CalciumQuarkManual.pdf?v=1625032043\" title=\"DayStar Calcium Quark user manual\" target=\"_blank\"\u003eDayStar Calcium Quark user manual\u003c\/a\u003e\u003c\/span\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/QuarkManual.pdf?v=1625032043\" title=\"Daystar Quark user manual\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cspan style=\"font-family: Verdana, Arial; font-size: small;\" face=\"Verdana,Arial\" size=\"2\" data-mce-style=\"font-family: Verdana, Arial; font-size: small;\"\u003eGallery\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003eAll images © Alessandro Bianconi, taken with the DayStar Calcium-H Quark filter\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003ca title=\"DayStar Calcium Quark filter with 228mm truss tube achromatic refractor \u0026amp; ZWO ASI 174MM © Alessandro Bianconi\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/Ca-Bianconi_1.jpg?v=1614921299\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/Ca-Bianconi_1_800.jpg?v=1614921518\" alt=\"DayStar Calcium Quark filter with 228mm truss tube achromatic refractor \u0026amp; ZWO ASI 174MM © Alessandro Bianconi\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem data-mce-fragment=\"1\"\u003e228mm truss tube achromatic refractor \u0026amp; ZWO ASI 174MM\u003c\/em\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003ca title=\"DayStar Calcium Quark filter with 228mm truss tube achromatic refractor \u0026amp; ZWO ASI 174MM © Alessandro Bianconi\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/Ca-Bianconi_2.jpg?v=1614921300\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/Ca-Bianconi_2_800.jpg?v=1614921534\" alt=\"DayStar Calcium Quark filter with 228mm truss tube achromatic refractor \u0026amp; ZWO ASI 174MM © Alessandro Bianconi\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem data-mce-fragment=\"1\"\u003e228mm truss tube achromatic refractor \u0026amp; ZWO ASI 174MM\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003ca title=\"DayStar Calcium Quark filter with 228mm truss tube achromatic refractor \u0026amp; ZWO ASI 174MM © Alessandro Bianconi\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/Ca-Bianconi_3.jpg?v=1614921300\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/Ca-Bianconi_3_800.jpg?v=1614921549\" alt=\"DayStar Calcium Quark filter with 228mm truss tube achromatic refractor \u0026amp; ZWO ASI 174MM © Alessandro Bianconi\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem data-mce-fragment=\"1\"\u003e228mm truss tube achromatic refractor \u0026amp; ZWO ASI 174MM\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003ca title=\"DayStar Calcium Quark filter with 228mm truss tube achromatic refractor \u0026amp; ZWO ASI 174MM © Alessandro Bianconi\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/Ca-Bianconi_4.jpg?v=1614921300\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/Ca-Bianconi_4_800.jpg?v=1614921565\" alt=\"DayStar Calcium Quark filter with 228mm truss tube achromatic refractor \u0026amp; ZWO ASI 174MM © Alessandro Bianconi\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem data-mce-fragment=\"1\"\u003e228mm truss tube achromatic refractor \u0026amp; ZWO ASI 174MM\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/products\/DS-DSZCH-3.jpg?v=1619339657\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/products\/DS-DSZCH-2.jpg?v=1619339657\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Testar Australia","offers":[{"title":"Default Title","offer_id":49110822191321,"sku":"DS-DSZCH","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/1827\/8361\/files\/DS-DSZCH.jpg?v=1787102833","url":"https:\/\/bootylen.com\/products\/daystar-quark-calcium-h-filter","provider":"bootylen","version":"1.0","type":"link"}