{"product_id":"starlight-instruments-3-5-feather-touch-r-p-focuser","title":"Starlight Instruments 3.5\" Feather Touch R\/P Focuser","description":"\u003ch2\u003eStarlight Instruments 3.5\" Feather Touch R\/P Focuser\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Starlight Instruments 3.5″ Feather Touch R\/P Focuser has a lifting capacity of 18 to 20 pounds. It comes in drawtube travel of 1.375″ and 4.5″. Starlight Instruments offers a custom 3.5″ focuser for the Takahashi FSQ-106.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eFeather Touch Focusers by Starlight Instruments are know for their quality and craftsmanship. They are offered as a standard feature by some of the most recognized telescope manufactures including: Astro-Physics, TEC, Lunt, Tele Vue, CFF Telescopes, Celestron, Takahashi, Borg, APM, Obsession, William Optics, Teeters Telescopes, Orion Optics and New Moon Telescopes.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eStarlight Instruments designs, machines, anodizes and assembles the components in-house allowing for superior quality control. A Feather Touch Focuser is an absolute must for astrophotography, in addition to making visual use a joy.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eStandard Features Include:\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eUltra-smooth coarse\/fine focus knobs (10:1 Ratio)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRotatable\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBrake Adjustment Screw\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eGlare resistant black internal baffling\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDurable hardened stainless steel, steel, and aluminum construction\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAnodized aluminum fine focus knob\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eStandard Drawtube with nylon\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTipped stainless steel set screws (gentle on eyepieces)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eUltra-Low backlash system for accurate control\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSleek aesthetic design\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDesigned, machined, and assembled in the U.S.A.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ch4\u003e1.375″ Travel Drawtube Option\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDraw Tube Travel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.375″\/34.93MM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKnown To Fit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLarge RC\/Dob Scopes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLifting Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18-20 pounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccessory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLocking Collar 5.125X24 Female Threads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOther Info\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 3\/32 X24TPI thread on visual side of draw tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReduction Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10:01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDraw Tube Drive Mechanism\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRack\/Pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinderscope hole thread dimension\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8-32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight of focuser\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.216 pounds of which includes the standard adapter and 2″ compression ring end cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRacked In from Mounting Face\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.236″ w\/Compression Ring End Cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRacked Out from Mounting Face\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.625″ w\/Compression Ring End Cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch4\u003e4.5″ Travel Drawtube Option\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKnown To Fit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLarge Refractors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLifting Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18-20 pounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDraw Tube Thread\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 3\/32 X24TPI thread on vizual side of draw tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDraw Tube Travel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.5″\/114.30MM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccessory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLocking Collar 5.125×24 Female Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOther Info\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFocuser weighs 6 pounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDraw Tube Drive Mechanism\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRack\/Pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinderscope hole thread dimension\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8-32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReduction Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10:01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight of focuser\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.938 pounds of which includes the standard adapter and 2″ compression ring end cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRacked In from Mounting Face\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.236 w\/Compression Ring End Cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRacked Out from Mounting Face\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.736″ w\/Compression Ring End Cap\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\u003eFocuser\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eManual \u0026amp; Warranty\u003c\/h3\u003e\n\u003cp\u003eStarlight Instruments Lifetime Warranty\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Starlight-Instruments-Feather-Touch-Focusers-Brochure.pdf?v=1669834595\" target=\"_blank\"\u003eStarlight Instruments Feather Touch Focusers Brochure\u003c\/a\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Starlight Instruments","offers":[{"title":"1.375\" Travel","offer_id":43729766842597,"sku":"SI-FTF3515B-A","price":1290.0,"currency_code":"CAD","in_stock":true},{"title":"4.5\" Travel","offer_id":43729766875365,"sku":"SI-FTF3545B-A","price":1129.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/starlight-instruments-3-5-feather-touch-rp-focuser-astronomy-plus-1_58ffdfdc-e0fc-4b2b-b66f-67d7ea2e5950.jpg?v=1690485909","url":"https:\/\/istronomyplus.com\/products\/starlight-instruments-3-5-feather-touch-r-p-focuser","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}