{"title":"NAKOH Focal Reducers","description":null,"products":[{"product_id":"nakoh-60gt-0-65x-reducer","title":"NAKOH 60GT 0.65× Reducer","description":"\u003csection class=\"product-intro\"\u003e\n  \u003cp class=\"txt\"\u003e\n    A 0.65× reducer-corrector designed specifically for the NAKOH 60GT,\n    reducing the focal length to 234mm and accelerating the system to\n    f\/3.9. This enables significantly faster imaging while providing a\n    wide, flat field optimised for full-frame astrophotography.\n  \u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"package-contents con2 top_about_figure_img\"\u003e\n  \u003ch2\u003e\n    \n    Package Contents\n    \n  \u003c\/h2\u003e\n\n  \u003ctable\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd align=\"center\"\u003e\n          \u003cfigure\u003e\n            \u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/1764316651563881.jpg?v=1772012355\" alt=\"NAKOH 60GT 0.65× reducer with protective caps\"\u003e\n            \u003cfigcaption class=\"pkg-text\"\u003e0.65× Reducer\u003c\/figcaption\u003e\n          \u003c\/figure\u003e\n        \u003c\/td\u003e\n        \u003ctd align=\"center\"\u003e\n          \u003cfigure\u003e\n            \u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/1764316146761094.jpg?v=1772012355\" alt=\"NAKOH 60GT 0.65× reducer instruction manual and warranty card\"\u003e\n            \u003cfigcaption class=\"pkg-text\"\u003eUser Manual \u0026amp; Warranty Card\u003c\/figcaption\u003e\n          \u003c\/figure\u003e\n        \u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-specifications con3 top_about_figure_img\"\u003e\n  \u003ch2\u003e\n    \n    Specifications\n    \n  \u003c\/h2\u003e\n\n  \u003ctable\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eProduct Name\u003c\/td\u003e\n        \u003ctd\u003e60GT Specific 0.65× Reducer\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eDimensions (W × D × H)\u003c\/td\u003e\n        \u003ctd\u003e128 × 72 × 72 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMagnification\u003c\/td\u003e\n        \u003ctd\u003e0.65×\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOptical Design\u003c\/td\u003e\n        \u003ctd\u003eQuadruplet (incl. 1× SD glass element, made in Japan)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eEffective Focal Ratio\u003c\/td\u003e\n        \u003ctd\u003ef\/3.9\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eImage Circle\u003c\/td\u003e\n        \u003ctd\u003eØ44mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eBack Focus\u003c\/td\u003e\n        \u003ctd\u003e55mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMount Thread Standard\u003c\/td\u003e\n        \u003ctd\u003e\n          Telescope side: M68×1\u003cbr\u003e\n          Camera side: M48×0.75, M54×0.75\n        \u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eWeight\u003c\/td\u003e\n        \u003ctd\u003e0.58 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eStandard Accessories\u003c\/td\u003e\n        \u003ctd\u003e\n          0.65× Reducer ×1\u003cbr\u003e\n          Front \u0026amp; Rear Caps ×2\u003cbr\u003e\n          Instruction Manual ×1\u003cbr\u003e\n          Warranty Card ×1\n        \u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"design-features con4 top_about_figure_img\"\u003e\n  \u003ch2\u003e\n    \n    Design Features\n    \n  \u003c\/h2\u003e\n\n  \u003ch3\u003eFast Focal Ratio\u003c\/h3\u003e\n  \u003cp\u003e\n    When used with the 60GT, the reducer accelerates the system from f\/6\n    to f\/3.9, dramatically reducing exposure times and increasing\n    efficiency for deep-sky astrophotography. The effective focal length\n    becomes 234mm, expanding the field of view for large nebulae and\n    galaxies.\n  \u003c\/p\u003e\n  \u003cfigure\u003e\n    \u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/1766372823130753.jpg?v=1772012357\" alt=\"NAKOH 60GT with 0.65× reducer attached\"\u003e\n  \u003c\/figure\u003e\n\n  \u003ch3\u003eUniform Flat Field\u003c\/h3\u003e\n  \u003cp\u003e\n    Corrects field curvature and coma to deliver sharp, round stars\n    across the entire 44mm full-frame image circle.\n  \u003c\/p\u003e\n  \u003cfigure\u003e\n    \u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/1764838475253047.jpg?v=1772012357\" alt=\"Spot diagram showing uniform field correction\"\u003e\n  \u003c\/figure\u003e\n\n  \u003ch3\u003eAdvanced Optical Design\u003c\/h3\u003e\n  \u003cp\u003e\n    A quadruplet lens configuration incorporating a Japan-made SD glass\n    element effectively suppresses chromatic aberration, delivering high\n    contrast and excellent colour correction.\n  \u003c\/p\u003e\n  \u003cfigure\u003e\n    \u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/1770264060122182.jpg?v=1772012357\" alt=\"NAKOH 60GT 0.65× reducer optical design diagram\"\u003e\n  \u003c\/figure\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"image-samples con5 top_about_figure_img\"\u003e\n  \u003ch2\u003eAstrophotography Sample\u003c\/h2\u003e\n\n  \u003cfigure\u003e\n    \u003cfigcaption class=\"pkg-text\"\u003e\n      M45 (Pleiades) — ZWO ASI2600MC\n    \u003c\/figcaption\u003e\n    \u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/1764313835676363_513a6b7a-58a2-4cb2-aca3-04027179b16f.jpg?v=1772012358\" alt=\"Pleiades captured with NAKOH 60GT and 0.65× reducer\"\u003e\n  \u003c\/figure\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"size-connection-diagrams\"\u003e\n  \u003ch2\u003eProduct Size \u0026amp; Connection Diagrams\u003c\/h2\u003e\n\n  \u003cfigure\u003e\n    \u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/1764318688160043.jpg?v=1772012357\" alt=\"NAKOH 60GT 0.65× reducer components\"\u003e\n  \u003c\/figure\u003e\n\n  \u003cfigure\u003e\n    \u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/1768534612157044.jpg?v=1772012356\" alt=\"NAKOH 60GT 0.65× reducer size diagram\"\u003e\n  \u003c\/figure\u003e\n\n  \u003cfigure\u003e\n    \u003cfigcaption class=\"pkg-text\"\u003eImaging Mode Connection Diagram\u003c\/figcaption\u003e\n    \u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/1764839215173491.jpg?v=1772012357\" alt=\"NAKOH 60GT 0.65× reducer imaging connection diagram\"\u003e\n  \u003c\/figure\u003e\n\u003c\/section\u003e","brand":"Nakoh","offers":[{"title":"Default Title","offer_id":55474974491000,"sku":"60GT","price":359.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/1764316651563881.jpg?v=1782290601"}],"url":"https:\/\/www.darkclearskies.co.uk\/collections\/nakoh-reducers.oembed","provider":"Dark Clear Skies ","version":"1.0","type":"link"}