{"title":"3- BORG Focusers \u0026amp; Adapters","description":null,"products":[{"product_id":"borg-helical-focuser-1-25-4317","title":"4317 - BORG Helical Focuser 1.25\" (rotating)","description":"\u003cspan style=\"color: #000000; font-family: Arial, Geneva; font-size: small;\"\u003eBorg's most economical helical focuser and the only one with a rotating movement, model 4317 is useful as a supplemental visual focuser that provides fine adjustment for a coarse rack-and-pinion focuser, or eliminates the image shift common with standard SCT focusers. This focuser attaches in front via a metric M36.4 P1.0 male thread or M35.8 P0.75 female thread, but inserts directly into a 1.25\" eyepiece sleeve when used with Borg adapter 7316 (which includes threads for 1.25\" eyepiece filters).\u003c\/span\u003e\r\n\u003cblockquote style=\"color: #000000; font-family: Arial, Geneva; font-size: small;\"\u003e\r\n\u003ctable border=\"1\"\u003e\r\n\u003ctbody\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\r\n\u003ctable border=\"0\" cellpadding=\"1\"\u003e\r\n\u003ctbody\u003e\r\n\u003ctr\u003e\r\n\u003ctd align=\"RIGHT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e\u003cstrong\u003eIndex:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003eNone\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd align=\"RIGHT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e38 to 52 mm\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd align=\"RIGHT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e\u003cstrong\u003eTravel:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e14 mm\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd align=\"RIGHT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e60 g\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd align=\"RIGHT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e31.7 mm (1.25\") sleeve\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd align=\"RIGHT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e\u003cstrong\u003eB:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003eM36.4 P1.0 Male\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/tbody\u003e\r\n\u003c\/table\u003e\r\n\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/tbody\u003e\r\n\u003c\/table\u003e\r\n\u003c\/blockquote\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343843762482,"sku":"borg-helical-focuser-1.25\"---#-4317","price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/4317a.jpg?v=1727242618"},{"product_id":"borg-precision-helical-focuser-1-25-t-thread-7315","title":"7315 - BORG Precision Helical Focuser 1.25\" \u0026amp; T-thread (non-rotating)","description":"\u003cspan style=\"color: #000000; font-family: Arial, Geneva; font-size: small;\"\u003eThe deluxe version of model 4317, this non-rotating helical focuser includes index marks on the outside of the barrel, which greatly facilitate focusing when switching between CCD camera and eyepiece. In addition to visual use, this focuser also works well for fine focusing of CCD cameras, digital still cameras and video cameras. The front attachment is a metric M36.4 P1.0 male thread, or a 1.25\" eyepiece interface when used with adapter 7316 (which includes threads for 1.25\" eyepiece filters). The rear attachment includes a T-thread for direct connection to SBIG CCD cameras.\u003c\/span\u003e\r\n\u003cblockquote style=\"color: #000000; font-family: Arial, Geneva; font-size: small;\"\u003e\r\n\u003ctable border=\"1\"\u003e\r\n\u003ctbody\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\r\n\u003ctable border=\"0\" cellpadding=\"1\"\u003e\r\n\u003ctbody\u003e\r\n\u003ctr\u003e\r\n\u003ctd align=\"RIGHT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e\u003cstrong\u003eIndex:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e50 microns\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd align=\"RIGHT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e50 to 60 mm\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd align=\"RIGHT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e\u003cstrong\u003eTravel:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e10 mm travel\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd align=\"RIGHT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e80 g\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd align=\"RIGHT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e31.7 mm (1.25\") sleeve, M42 P0.75 Male\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd align=\"RIGHT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e\u003cstrong\u003eB:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003eM36.4 P1.0 Male\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/tbody\u003e\r\n\u003c\/table\u003e\r\n\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/tbody\u003e\r\n\u003c\/table\u003e\r\n\u003c\/blockquote\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343855427890,"sku":"borg-precision-helical-focuser---1.25\"-\u0026-t-thread---#-7315","price":109.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/7315a.jpg?v=1727242852"},{"product_id":"borg-1-25-nosepiece-adapter","title":"7316 - BORG 1.25\" Nosepiece Adapter","description":"This allows to insert BORG 1.25\" helical focuser - 4317 and 7315 into 1.25\" opening.\r\n\u003cul\u003e\r\n \t\u003cli\u003e1.25\" sleeve\u003c\/li\u003e\r\n \t\u003cli\u003eM36.4\/P1 female\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343855493426,"sku":"borg-1.25\"-nosepiece-adapter","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/7316-2.jpg?v=1727242856"},{"product_id":"7761-m57-helical-focuser-dxii","title":"7761 - M57 Helical Focuser DXII","description":"\u003cul\u003e\r\n \t\u003cli\u003eM57 Male to Female\u003c\/li\u003e\r\n \t\u003cli\u003e27 to 44mm light path\u003c\/li\u003e\r\n \t\u003cli\u003e98g\u003c\/li\u003e\r\n \t\u003cli\u003eOD : 73mm\u003c\/li\u003e\r\n \t\u003cli\u003eID : 49mm\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343860801842,"sku":"7761","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/7761.jpg?v=1727243002"},{"product_id":"7835-helical-focuser-m-m68-8","title":"7835 - Helical Focuser M M68.8","description":" \r\n\u003ctable style=\"font-family: 'Times New Roman';\" width=\"600\" cellpadding=\"10\"\u003e\r\n\u003ctbody\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\n\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003eThis focuser is provided as standard with Series 80 scopes. Borg adapter \u003ca href=\"https:\/\/www.sciencecenter.net\/hutech\/prices\/borgparts\/html\/7428.htm\"\u003e7428\u003c\/a\u003e allows this focuser to be attached to an SCT.\u003c\/span\u003e\u003c\/span\u003e\r\n\r\n \r\n\u003cblockquote\u003e\r\n\u003ctable border=\"1\"\u003e\r\n\u003ctbody\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\r\n\u003ctable border=\"0\" cellpadding=\"1\"\u003e\r\n\u003ctbody\u003e\r\n\u003ctr\u003e\r\n\u003ctd align=\"RIGHT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e\u003cstrong\u003eIndex:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e80 microns\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd align=\"RIGHT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e63 to 82 mm\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd align=\"RIGHT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e\u003cstrong\u003eTravel:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e19 mm\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd align=\"RIGHT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e320 g\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd align=\"RIGHT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003eM60 P0.75 Male, M57 P0.75 Female\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd align=\"RIGHT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e\u003cstrong\u003eB:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, Geneva; font-size: small;\"\u003eM68.8 P0.75Male\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/tbody\u003e\r\n\u003c\/table\u003e\r\n\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/tbody\u003e\r\n\u003c\/table\u003e\r\n\u003c\/blockquote\u003e\r\n\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/tbody\u003e\r\n\u003c\/table\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343861457202,"sku":"7835","price":229.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/7835.jpg?v=1727243025"},{"product_id":"7861-m57-helical-focuser-dx-liii","title":"7861 - M57 Helical Focuser DX LIII","description":"\u003cul\u003e\r\n \t\u003cli\u003eM57 Male to Female\u003c\/li\u003e\r\n \t\u003cli\u003e46 to 81mm light path\u003c\/li\u003e\r\n \t\u003cli\u003e194g\u003c\/li\u003e\r\n \t\u003cli\u003eOD : 72mm\u003c\/li\u003e\r\n \t\u003cli\u003eID : 49mm\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343863259442,"sku":"7861","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/7861.jpg?v=1727243066"}],"url":"https:\/\/a7ead1-f1.myshopify.com\/collections\/3-borg-focusers-amp-adapters.oembed","provider":"Astro Hutech","version":"1.0","type":"link"}