{"product_id":"william-optics-mighty-cat-71-30th-anniversary-limited-edition-t-mc-71rd-30a","title":"William Optics Mighty-Cat 71 · 30th Anniversary Limited Edition (T-MC-71RD-30A)","description":"\u003ch1\u003eWilliam Optics Mighty-Cat 71 · 30th Anniversary Limited Edition\u003c\/h1\u003e\n\u003cp\u003eThe William Optics \u003cstrong\u003eMighty Cat 71 · 30 Years Anniversary Limited Edition\u003c\/strong\u003e is a groundbreaking 71mm apochromatic astrograph engineered to redefine ultra-fast deep-sky imaging. Celebrating three decades of optical innovation, this exclusive 100-set limited run features a custom \"Cosmic Visitor\" design adorned with intricate extraterrestrial motifs — a tribute to 30 years of peering into the unknown and chasing the mysteries of the universe. 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 a playful design that hints at technology from another world, the Mighty Cat 71 Anniversary Edition is built for demanding deep-sky imaging with modern full-frame and cropped-sensor camera systems.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\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\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Diagram_MC-71-SD.webp?v=1783191811\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Diagram_MC-71-LA.webp?v=1783191811\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLens Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7-Element EVO Petzval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLens Elements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncludes Super ED Glass ×3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFocal Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e230 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e71 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFocal Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ef\/3.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImage Circle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e43.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFocuser\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWIFD R\u0026amp;P Focuser; Compatible with EAF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFocuser Travel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–35 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdapter Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSensor Tilt Xterminator (STX-R); Rotator; M54, M48 Camera Adapters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOptional Flattener\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo Flattener Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eT-Mount Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCanon EF, RF; Nikon F, Z; Sony E; Pentax K; MFT (M4\/3); FUJI X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCamera Format\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull Frame; APS-C; M4\/3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDovetail Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVixen ↔ Arca-Swiss\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTube Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e315 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOTA Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.38 kg \/ 7.45 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.1 kg \/ 9.04 lbs\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\/0652\/6245\/2965\/files\/hjfsafsasf.jpg?v=1783191787\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMain tube\u003c\/li\u003e\n\u003cli\u003eBahtinov Cap\u003c\/li\u003e\n\u003cli\u003eM48, M54 Adapter with Wrench\u003c\/li\u003e\n\u003cli\u003eDual-side Plate\u003c\/li\u003e\n\u003cli\u003eMounting Ring \u0026amp; Handle bar\u003c\/li\u003e\n\u003cli\u003eAllen Key Set\u003c\/li\u003e\n\u003cli\u003eSoft Carry Case\u003c\/li\u003e\n\u003cli\u003eProduct Packaging\u003c\/li\u003e\n\u003cli\u003eCommemorative Certificate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty \u0026amp; Manual\u003c\/h3\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/astronomyplus.com\/pages\/william-optics-warranty?srsltid=AfmBOopOJhrnJJHCbIcAy4PqqyY3Z3eren5LqIaJQwywHgnuL-nCjtsn\" title=\"William Optics 2-year Warranty\" target=\"_blank\"\u003eWilliam Optics 2-year Warranty\u003c\/a\u003e\u003c\/p\u003e","brand":"William Optics","offers":[{"title":"Default Title","offer_id":49936090726629,"sku":"WO-T-MC-71RD-30A","price":3637.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/MC-71-30A-pers-1.webp?v=1783103631","url":"https:\/\/astronomyplus.com\/products\/william-optics-mighty-cat-71-30th-anniversary-limited-edition-t-mc-71rd-30a","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}