{"product_id":"takahashi-cca-250-astrograph-f-5-0-tck25010","title":"Takahashi CCA-250 Astrograph f\/5.0 (TCK25010)","description":"\u003ch2\u003eTakahashi CCA-250 Astrograph f\/5.0\u003c\/h2\u003e\n\u003cp\u003eThe Takahashi CCA-250 f\/5.0 is Takahashi’s modified Ritchey–Chretien, developed as a replacement to the BRC-250 and is designed with imaging in mind.  The CCA-250 produces a flat field across an 88 mm image circle.  At prime focus, it is a 250-mm aperture, f\/5.0 astrograph.  Coupled with a reducer, it becomes a fast f\/3.6 telescope.  The CCA-250 has a carbon fiber tube and a temperature compensated lens cell to maintain focus during long exposures.  The CCA-250 also has an ASCOM compliant active focus system that enables computer control of the focusing system.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAperture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e250mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFocal Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1250\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\/5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOptical Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eModified Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.46″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLimiting Magnitude\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLight Gathering Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1276x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTube Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e306mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTube Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e870mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTube Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22.8kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMetal Back Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e193.9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImage Circle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e88mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCCA-250 OTA (mount, tripod, tube holder sold separately)\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eManual \u0026amp; Warranty\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/takahashiamerica.com\/pages\/warranty-service?_pos=1\u0026amp;_psq=warranty\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eTakahashi 5-Years Warranty\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Takahashi-Telescope-Specifications.pdf?v=1669843819\" target=\"_blank\"\u003eTakahashi Telescope Specifications\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Takahashi-Adapter-Specifications.pdf?v=1669843817\" target=\"_blank\"\u003eTakahashi Adapter Specifications\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Takahashi-Telescope-Specifications.pdf?v=1669843819\" target=\"_blank\"\u003eTakahashi CCA-250 Photo\/Visual System Chart\u003c\/a\u003e\u003c\/p\u003e","brand":"Takahashi","offers":[{"title":"Default Title","offer_id":43125802402021,"sku":"TAK-TCK25010","price":21854.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/takahashi-cca-250-astrograph-f5-0-tck25010-astronomy-plus_e0b9129c-2dab-437e-92dd-dfb97eef6701.png?v=1690486340","url":"https:\/\/istronomyplus.com\/products\/takahashi-cca-250-astrograph-f-5-0-tck25010","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}