{"product_id":"explore-scientific-hr-variable-coma-corrector-2-inch","title":"Explore Scientific HR Variable Coma Corrector (2-inch)","description":"\u003ch6\u003eDESCRIPTION:\u003c\/h6\u003e\n\u003cdiv class=\"tab-pane\" id=\"tab-0\"\u003e\n\u003cdiv class=\"tabcontent\"\u003e\n\u003cp\u003eAfter hours at the eyepiece, you finally get to view the fruits of your astrophotography labors. The stars in the center of the field pop like brilliant precise points of light. But as you survey the image, you notice the stars at the edge have taken on an unnatural comet-like shape. Your long night has been marred by coma. Coma is a common plague of the Newtonian reflector design, and its annoying presence at the outskirts of an image can be a bane for astronomers of all levels.\u003c\/p\u003e\n\u003cp\u003eExplore Scientific’s HR Variable Coma Corrector is a high-performance optical corrector designed by world famous optical designer Harrie Rutten, and it will help you minimize or even eliminate image aberrations caused by this off-axis optical phenomenon even in fast Newtonians. This 2-inch coma corrector with is EMC Coated to reduce internal reflections and its spacer with markings allow you to use the device on almost any Newtonian telescope with a parabolic primary mirror, even fast Newtonians such as the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/explorescientificusa.com\/products\/coma-corrector\" aria-label=\"BRESSER N20839 f\/3.9 Photo Newtonian - Opens in a new tab\" rel=\"noopener\" data-mce-href=\"https:\/\/explorescientificusa.com\/products\/coma-corrector\" target=\"_blank\"\u003eBRESSER N20839 f\/3.9 Photo Newtonian\u003c\/a\u003e. Tightly secured by three thumbscrews, this accessory comes with two adapters (M42x0.75 and M48x0.75) to secure to your T adapter and a protective cap.\u003c\/p\u003e\n\u003cp\u003eCA Residents:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003ca aria-label=\"Prop 65 WARNING(S) - Opens in a new tab\" rel=\"noopener noreferrer\" href=\"https:\/\/explorescientificusa.com\/pages\/prop65\" data-mce-href=\"https:\/\/explorescientificusa.com\/pages\/prop65\" target=\"_blank\"\u003eProp 65 WARNING(S)\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch6\u003eSPECIFICATIONS:\u003c\/h6\u003e\n\u003cdiv class=\"spanrow\"\u003e\n\u003cspan class=\"speccell speccell-left\"\u003eItem Number\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"speccell\"\u003eHRCC02–00\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spanrow\"\u003e\n\u003cspan class=\"speccell speccell-left\"\u003eWeight\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"speccell\"\u003e1lb; .45kg\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spanrow\"\u003e\n\u003cspan class=\"speccell speccell-left\"\u003eDiameter\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"speccell\"\u003e69.3mm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spanrow\"\u003e\n\u003cspan class=\"speccell speccell-left\"\u003eHeight\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"speccell\"\u003e147.2mm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spanrow\"\u003e\n\u003cspan class=\"speccell\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003ch6 class=\"spanrow\"\u003e\u003cspan class=\"speccell\"\u003eEXTRAS:\u003c\/span\u003e\u003c\/h6\u003e\n\u003cp\u003e\u003ca aria-label=\"Download Manual Here  - Opens in a new tab\" rel=\"noopener noreferrer\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0390\/6029\/files\/HRCC_Manual.pdf?v=1592237688\" target=\"_blank\"\u003eDownload Manual Here\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"spanrow\"\u003e\n\u003cspan class=\"speccell\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003ch6 class=\"spanrow\"\u003e\u003cspan class=\"speccell\"\u003eWARRANTY:\u003c\/span\u003e\u003c\/h6\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eExplore Scientific Limited Warranty is one year, which converts to the Explore STAR Transferable Extended Life of the Product Warranty when product is registered within 60 days of purchase. \u003c\/span\u003e\u003ca href=\"https:\/\/explorescientificusa.com\/apps\/product-registration\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eClick Here\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e to register.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":47817783214384,"sku":"HRCC02-00","price":389.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/3113\/5280\/files\/HRCC02-00_1_2000x2000_be40b662-dd19-4e8f-9201-19ed323b415b.jpg?v=1709870834","url":"https:\/\/b9549c-5.myshopify.com\/products\/explore-scientific-hr-variable-coma-corrector-2-inch","provider":"StellarOptix","version":"1.0","type":"link"}