{"product_id":"baader-planetarium-guidescope-rings-1-pair-size-iv-140-185mm","title":"Baader Planetarium Guidescope Rings (1 pair) – Size IV, 140-185mm","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eSize IV Guidescope Rings (Pair)\u003c\/li\u003e\n\u003cli\u003eNon-Rotating, Non-Marring Adjustment Screws\u003c\/li\u003e\n\u003cli\u003eBall-Bearing V2A Steel Screw Tips\u003c\/li\u003e\n\u003cli\u003eIntegrated Accessory Mounting Points\u003c\/li\u003e\n\u003cli\u003eStandard Photo-Threaded Base Connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eGuidescope Rings (1 pair) – Size IV, 140-185mm\u003c\/h2\u003e\n\u003cp\u003eSecure your guidescope without compromise using the Guidescope Rings (1 pair) – Size IV. The unique adjustment screws feature non-rotating tips, creating a solid, non-slip grip that prevents any scratches on your telescope tube. With multiple mounting points for accessories, these rings establish a rigid, flex-free foundation for precise autoguiding.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eNon-Rotating, Non-Marring Adjustment Screws\u003c\/h3\u003e\n\u003cp\u003eThe critical feature of these guidescope rings is the intelligent design of the adjustment screws. Each of the large, easy-to-grip knobs operates a screw with a ball-bearing tip made from V2A steel. This tip, covered by a hard rubber sheath, does not rotate as you apply pressure, ensuring your guidescope is held securely without any risk of slipping or scratching the tube's finish.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eVersatile Mounting for Scopes and Accessories\u003c\/h3\u003e\n\u003cp\u003eThese rings are designed for flexible integration into your imaging setup. The base includes a standard photo-threaded connection and additional through-holes for a secure attachment to your dovetail plate. Furthermore, the rings feature several milled planar surfaces on their outer diameter, each with a photo-threaded hole, allowing you to attach finders, control boxes, or other accessories directly to the ring assembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat makes the adjustment screws on these Size IV rings special?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe screws feature non-rotating, ball-bearing tips made of \u003cstrong\u003eV2A steel\u003c\/strong\u003e and covered with a hard rubber sheath. This design prevents the screw tip from twisting as it's tightened, which provides a very firm grip without scratching or marring the finish on your guidescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I mount accessories to the Size IV Guidescope Rings?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe rings have several milled flat surfaces on their outer circumference. These surfaces are equipped with \u003cstrong\u003estandard photo-threaded holes\u003c\/strong\u003e, making it easy to attach additional equipment like a small finder, a dew controller, or other accessories directly to the rings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main benefit of the non-rotating screw tips for guiding?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eStable guiding requires the guidescope to be held absolutely rigid. Because the screw tips don't rotate, they eliminate the small shifts and slips that can occur as you tighten traditional screws. This results in a more solid connection and helps prevent flexure in your guiding system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eAre these rings suitable for holding a small refractor like a William Optics RedCat for wide-field imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, while designed for guidescopes, the solid, non-marring grip of these rings makes them an excellent choice for securely mounting a premium, small-aperture imaging scope. The non-rotating screws will protect the telescope's finish while providing the rigidity needed for long exposures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use these rings to mount a guidescope on a Celestron C8 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the base of the rings features a standard photo-threaded connection and through-holes, allowing them to be mounted to a dovetail bar, which can then be attached to the top of a Celestron C8 or similar SCT. The robust design ensures a stable platform for autoguiding.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat material are the screw tips made of?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ball-bearing contact surface of the adjustment screws is made from \u003cstrong\u003eV2A steel\u003c\/strong\u003e for durability and smooth operation, and it's covered with a hard rubber sheath to provide a secure, non-slip grip on the telescope tube.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e3.21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003eball bearing tips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube diameter (min)\u003c\/td\u003e\n\u003ctd\u003e175 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube diameter (max)\u003c\/td\u003e\n\u003ctd\u003e265 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrew Type\u003c\/td\u003e\n\u003ctd\u003e6x large handknobs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Diameters\u003c\/td\u003e\n\u003ctd\u003e175 - 265 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/baader-planetarium-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eBaader Planetarium Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Baader Planetarium","offers":[{"title":"Default Title","offer_id":52913212064029,"sku":"BAA-1500204","price":837.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-Guidescope-Rings-1-pair-Size-IV-140-185mm-1_22d6272b-b4d2-4af9-8db5-bdc1d5083d56.jpg?v=1789088243","url":"https:\/\/davidastro.com\/en-us\/products\/baader-planetarium-guidescope-rings-1-pair-size-iv-140-185mm","provider":"David Astro","version":"1.0","type":"link"}