{"product_id":"starfield-11x-coma-corrector-cm-01","title":"Starfield 1.1x Coma Corrector (CM-01)","description":"\u003ch1\u003eStarfield 1.1x Coma Corrector\u003c\/h1\u003e\n\u003cp class=\"MsoNoSpacing\"\u003eNewtonian inherit an optical distortion called as Coma, where stars at corner appears not round but bloated like a tadpole shape. The Starfield Optics coma corrector will provide a flat field image when Use on a Newtonian telescope that works from range of F\/3-F\/6. The large 2'' corrector will provide widest field of illumination for even full frame DSLR without vignetting\u003c\/p\u003e\n\u003cp class=\"MsoNoSpacing\"\u003eThe Starfield Optics 2'' Coma Corrector will significantly enhance your visual experience as well, providing coma free view with sharp pin point stars. 2\" nosepiece features recessed safety groove and is threaded to accept standard 2\" filters\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\"\u003e2\" eyepiece barrel features brass compression ring and dual large thumbscrews\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eMagnification factor of 1.x\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eFully Multicoated\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e3-piece modular design (i) Optics in 2\" nosepiece with 48mm male filter thread (ii) 2' eyepiece barrel that attaches to optical nosepiece, and (iii) M48 - T2 adapter ring\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eBack-focus spacing requirement is approx. 70mm +\/- 5mm from the shoulder of the 2\" nosepiece to the image plane\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003eFor visual use: connect the 2\" eyepiece barrel to the main optical nosepiece\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eFor photo use: unscrew the 2\" eyepiece barrel and attach the included M48-T2 ring to the main optical nosepiece Then attach your D\/SLR camera to the male T2 thread via a camera-specific T-ring (not included)\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003eTechnical Specifications \u003c\/h3\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\"\u003eFully Multi-Coated Optic\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e4 elements - 2 lens groups\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e50mm (2'') Barrel Fit\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e43.9mm Clear Aperture\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e4 Element In 2 Groups Design Corrector\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eMagnification Factor 1.1x\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eDesign optimized for use at f\/4.5 but will work well from f\/3 - f\/6\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eInternal Edge Darkened\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e Weight:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLower barrel with lens elements: 7.4 oz\u003c\/li\u003e\n\u003cli\u003eUpper eyepiece holder: 4.1 oz\u003c\/li\u003e\n\u003cli\u003eComplete unit for visual use: 11.8 oz\u003c\/li\u003e\n\u003cli\u003eT thread adapter: 0.3 oz\u003c\/li\u003e\n\u003cli\u003eComplete unit for photo use: 7.7 oz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"MsoNormal\"\u003eIn the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003eComa Corrector\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e20mm extension tube\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eT2 Ring adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty \u0026amp; Manual\u003c\/h3\u003e\n\u003cp\u003eStarfield Limited Warranty\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e","brand":"Starfield","offers":[{"title":"Default Title","offer_id":52326130057517,"sku":"fre1787938053299","price":80.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0924\/0743\/1469\/files\/starfield-11x-coma-corrector-cm-01_1.webp?v=1787938057","url":"https:\/\/www.northandmuse.shop\/products\/starfield-11x-coma-corrector-cm-01","provider":"My Store","version":"1.0","type":"link"}