{"product_id":"mighty-cat-71","title":"Mighty Cat 71","description":"\u003cp\u003eThe William Optics \u003cstrong\u003eMighty-Cat 71\u003c\/strong\u003e is a groundbreaking 71mm apochromatic astrograph designed for astrophotographers who need ultra-fast wide-field performance with maximum light-gathering efficiency. Built on an \u003cstrong\u003e7-element EVO Petzval\u003c\/strong\u003e optical platform, it introduces an unprecedented, record-breaking f\/3.2 focal ratio—the fastest telescope William Optics has ever created—while featuring a 43.2mm image circle and the patented WIFD internal focusing system.\u003c\/p\u003e\n\u003cp\u003eThe ultra-fast f\/3.2 optical system drastically reduces required exposure times, helping capture faint nebulae, dark dust lanes, and expansive celestial structures in a fraction of the time. With its flat-field 7-element optics, stable internal focusing, and unmatched optical speed, the Mighty-Cat 71 is built for demanding deep-sky imaging with modern full-frame and cropped-sensor camera systems.\u003c\/p\u003e\n\u003ch3\u003eKEY FEATURES:\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eF\/3.2 Ultra-Fast Optics\u003c\/strong\u003e\u003cbr\u003eCaptures deep-sky objects with unparalleled efficiency, utilizing the fastest optical system in William Optics history to maximize photon collection and shorten exposure tracks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7-Element EVO Petzval Design\u003c\/strong\u003e\u003cbr\u003eProvides a naturally flat image field without requiring an additional field flattener, delivering sharp stars and clean detail across a wide imaging area.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e43.2mm Full-Frame Image Circle\u003c\/strong\u003e\u003cbr\u003eSupports full-frame, APS-C, and M4\/3 camera systems, giving astrophotographers total freedom for wide-field composition and high-resolution deep-sky imaging.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWIFD (William Optics Internal Focuser Design) \u003c\/strong\u003e\u003cbr\u003eThe patented internal focusing system keeps the focusing mechanism centered inside the telescope, improving balance and helping avoid rear drawtube-related flexure or vignetting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSensor Tilt Xterminator (STX-R)\u003c\/strong\u003e\u003cbr\u003eFeatures a heavy-duty rear tilt and rotation interface designed to support modern imaging setups, reducing the chance of rear-end sag while retaining convenient sensor-squaring capability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnti-Shrink Lens Cell Technology\u003c\/strong\u003e\u003cbr\u003eHelps maintain stable optical alignment under changing temperatures by minimizing the effects of material expansion and contraction around the lens cell.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt-In Patented Bahtinov Mask\u003c\/strong\u003e\u003cbr\u003eIntegrated into the front cap for quick and accurate focusing, making precise star focus easier in the field.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePatented Handle Bar Design\u003c\/strong\u003e\u003cbr\u003eImproves handling, portability, and accessory mounting while maintaining the clean mechanical layout of the Mighty Cat platform.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePersonalized Laser Engraving\u003c\/strong\u003e\u003cbr\u003eAvailable for direct purchases, allowing each telescope to carry a customized personal mark.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable class=\"notion-collection-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cdiv class=\"notion-collection-column-title\"\u003e\n\u003cdiv class=\"notion-collection-column-title-body\"\u003eLens Type\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"notion-property notion-property-text\"\u003e7 Elements Advanced Petzval Design\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cdiv class=\"notion-collection-column-title\"\u003e\n\u003cdiv class=\"notion-collection-column-title-body\"\u003eFocal Length\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"notion-property notion-property-text\"\u003e230 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cdiv class=\"notion-collection-column-title\"\u003e\n\u003cdiv class=\"notion-collection-column-title-body\"\u003eDiameter\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"notion-property notion-property-text\"\u003e71 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cdiv class=\"notion-collection-column-title\"\u003e\n\u003cdiv class=\"notion-collection-column-title-body\"\u003eFocal Ratio\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"notion-property notion-property-text\"\u003ef\/3.2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cdiv class=\"notion-collection-column-title\"\u003e\n\u003cdiv class=\"notion-collection-column-title-body\"\u003eImage Circle\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"notion-property notion-property-text\"\u003e43.2 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cdiv class=\"notion-collection-column-title\"\u003e\n\u003cdiv class=\"notion-collection-column-title-body\"\u003eFocuser\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cdiv class=\"notion-property-multi_select-item notion-item-purple\"\u003eWIFD R\u0026amp;P Focuser\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cdiv class=\"notion-collection-column-title\"\u003e\n\u003cdiv class=\"notion-collection-column-title-body\"\u003eFocuser Travel Length\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"notion-property notion-property-text\"\u003e0-35 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cdiv class=\"notion-collection-column-title\"\u003e\n\u003cdiv class=\"notion-collection-column-title-body\"\u003eAdapter Included\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cdiv class=\"notion-property-multi_select-item notion-item-green\"\u003eSensor Tilt Xterminator\u003c\/div\u003e\n\u003cdiv class=\"notion-property-multi_select-item notion-item-yellow\"\u003eRotator\u003c\/div\u003e\n\u003cdiv class=\"notion-property-multi_select-item notion-item-blue\"\u003eM54 Camera Adapter\u003c\/div\u003e\n\u003cdiv class=\"notion-property-multi_select-item notion-item-blue\"\u003eM48 Camera Adapter\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cdiv class=\"notion-collection-column-title\"\u003e\n\u003cdiv class=\"notion-collection-column-title-body\"\u003eOptional Flattener\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cdiv class=\"notion-property-multi_select-item notion-item-default\"\u003eNo Flattener Required\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cdiv class=\"notion-collection-column-title\"\u003e\n\u003cdiv class=\"notion-collection-column-title-body\"\u003eCamera Format\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cdiv class=\"notion-property-multi_select-item notion-item-yellow\"\u003eFull Frame\u003c\/div\u003e\n\u003cdiv class=\"notion-property-multi_select-item notion-item-blue\"\u003eAPS-C\u003c\/div\u003e\n\u003cdiv class=\"notion-property-multi_select-item notion-item-purple\"\u003eM4\/3\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cdiv class=\"notion-collection-column-title\"\u003e\n\u003cdiv class=\"notion-collection-column-title-body\"\u003eTotal Weight\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"notion-property notion-property-text\"\u003e4.1 kg \/ 9.04 lbs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cdiv class=\"notion-collection-column-title\"\u003e\n\u003cdiv class=\"notion-collection-column-title-body\"\u003eOTA Weight\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"notion-property notion-property-text\"\u003e3.38 kg \/ 7.45 lbs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cdiv class=\"notion-collection-column-title\"\u003e\n\u003cdiv class=\"notion-collection-column-title-body\"\u003eTube Length\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"notion-property notion-property-text\"\u003e315 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/Diagram_MC-71-SD.webp?v=1782935517\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/Diagram_MC-71-LA.webp?v=1782935520\" alt=\"\"\u003e\u003c\/p\u003e","brand":"William Optics","offers":[{"title":"Default Title","offer_id":67579341504761,"sku":"T-MC-71RD","price":2498.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/MC-71-front-1.jpg?v=1793644227","url":"https:\/\/cloudbreakoptics.com\/products\/mighty-cat-71","provider":"Cloud Break Optics","version":"1.0","type":"link"}