{"product_id":"bobs-knobs-for-celestron-6-sct","title":"Bob's Knobs for Celestron 6” SCT","description":"\u003ch2\u003eBob's Knobs for Celestron 6” SCT \u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eThe knobs below will fit almost all versions of the Celestron 6” Schmidt-Cassegrain secondary. Price is for a complete set of knobs.\u003cbr\u003e\u003cbr\u003eIMPORTANT NOTE: \u003c\/span\u003e\u003cspan style=\"font: 14px Arial, Verdana, Helvetica, sans-serif;\"\u003eSecondary collimation screws have threads (measured below the screw head) that are either 10 mm or 12 mm long. We include a set of white spacers to be used on the knobs if factory threads are 10 mm long. \u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font: 14px Arial, Verdana, Helvetica, sans-serif;\"\u003eDo NOT use the white spacers if the factory screw threads are 12 mm long\u003c\/span\u003e\u003cspan style=\"font: 14px Arial, Verdana, Helvetica, sans-serif;\"\u003e.\u003c\/span\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"font-size: 15px; font-weight: bold;\"\u003eA. Knobs for C6 f\/10 Secondary with Metric Collimation Screw Threads\u003c\/span\u003e\u003cspan style=\"font: 12px Arial, Verdana, Helvetica, sans-serif;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e\u003cspan style=\"font: 12px Arial, Verdana, Helvetica, sans-serif;\"\u003e Celestron 6” (15 cm) f\/10 SCT versions (C6-A-XLT, C6-GT, C6-S, C6-SE, C6-SGT, others)\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"font: 12px Arial, Verdana, Helvetica, sans-serif; font-weight: bold;\"\u003eKnobs:\u003c\/span\u003e\u003cspan style=\"font: 12px Arial, Verdana, Helvetica, sans-serif;\"\u003e Black oxide steel (black) , 12 mm (1\/2”) diameter\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"font: 12px Arial, Verdana, Helvetica, sans-serif; font-weight: bold;\"\u003eThreads:\u003c\/span\u003e\u003cspan style=\"font: 12px Arial, Verdana, Helvetica, sans-serif;\"\u003e Black oxide \u003c\/span\u003e\u003cspan style=\"font: 12px Arial, Verdana, Helvetica, sans-serif;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font: 12px Arial, Verdana, Helvetica, sans-serif; color: #000000;\"\u003eAll versions of the Celestron C6 SCT have collimation screws with metric threads.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font: 12px Arial, Verdana, Helvetica, sans-serif;\"\u003eSecondary collimation screws have threads (measured below the screw head) that are either 10 mm or 12 mm long. We include a set of white spacers to be used on the knobs if factory threads are 10 mm long. \u003c\/span\u003e\u003cspan style=\"font: 12px Arial, Verdana, Helvetica, sans-serif;\"\u003eDo NOT use the white spacers if the factory screw threads are 12 mm long\u003c\/span\u003e\u003cspan style=\"font: 12px Arial, Verdana, Helvetica, sans-serif;\"\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font: 12px Arial, Verdana, Helvetica, sans-serif; color: #000000;\"\u003eBlack oxide steel (shown in photo) is for dry environments. Lightly oil the knob top and knob serrations periodically as an anti-corrosion measure. Stainless steel provides better corrosion protection in coastal or high humidity areas, or in places where dew or other condensation is common. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font: 12px Arial, Verdana, Helvetica, sans-serif; color: #000000;\"\u003eThe factory dust cover will usually fit properly with Bob’s Knobs installed, except on some very early versions.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eIn the Box\u003c\/h3\u003e\n\u003cp\u003eBob's Knobs for Celestron 6” SCT Black Oxide\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eor\u003c\/p\u003e\n\u003cp\u003eStainless steel\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Bob's Knobs","offers":[{"title":"A1. Black Oxide Steel (C6BO)","offer_id":48411439333634,"sku":"dlt1787937548233","price":18.27,"currency_code":"USD","in_stock":true},{"title":"A2. Stainless Steel (C6SS)","offer_id":48411439366402,"sku":"wmq1787937548234","price":17.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/3332\/0450\/files\/bobs-knobs-for-celestron-6-sct_1.jpg?v=1787937576","url":"https:\/\/www.plumritual.shop\/products\/bobs-knobs-for-celestron-6-sct","provider":"My Store","version":"1.0","type":"link"}