{"product_id":"farpoint-160mm-d-style-dovetail-rings","title":"Farpoint 160mm D Style Dovetail Rings","description":"\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMount your guide scope on the dovetail — rigid, aligned, adjustable.\u003c\/p\u003e\n\u003cp\u003eThe Farpoint 160mm D Style Dovetail Rings are a pair of 160mm inner-diameter rings that bolt to a D-size (Losmandy-style) dovetail plate and carry a guide scope, finder, or other optical accessory on top of your telescope. Three adjustment screws per ring center the tube, grip it securely, and let you aim the guide scope precisely — a rigid platform for autoguiding and wide-field imaging.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWho Is This Product Best For?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis product is designed for telescope owners and astrophotographers who use Losmandy-style (D-size) dovetail hardware. It is an ideal choice if you need a precision-machined, reliable mounting solution that integrates with the Losmandy-style (D-size) ecosystem of plates, saddles, and accessories.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Choose This Product?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision machined:\u003c\/strong\u003e CNC-machined and anodized for a tight, secure fit on Losmandy-style (D-size) hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt to last:\u003c\/strong\u003e Aircraft-grade aluminum construction resists flexing under load and holds alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrusted brand:\u003c\/strong\u003e Farpoint Astro is a respected name in telescope mounting hardware, made in the USA.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUse this telescope guide scope rings for visual observing and astrophotography setups that rely on the Losmandy-style (D-size) dovetail standard, including mounting optical tubes, guide scopes, cameras, and accessories.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKey compatibility and fit details:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Two rings with 3-point adjustment screws (standard 1″ length)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing inner diameter:\u003c\/strong\u003e 160mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHolds:\u003c\/strong\u003e Guide scopes, finders, and accessories with tube O.D. below 150mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounts to:\u003c\/strong\u003e D-size (Losmandy-style) dovetail plates — dovetail not included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustment:\u003c\/strong\u003e 3-point screws per ring — also available in short .5″ and long 1.5″ lengths\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e CNC-machined in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Limitations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is a Losmandy-style (D-size) component and is \u003cstrong\u003enot\u003c\/strong\u003e compatible with V-size (Vixen-style) hardware unless an adapter is used. Verify your telescope's mounting pattern and your mount's saddle width before purchasing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill these fit my guide scope?\u003c\/strong\u003e\u003cbr\u003eThe rings hold any tube with an outer diameter below 150mm — the ring needs at least 10mm over your tube O.D. so the three adjustment screws per ring can center and grip it securely. If your tube is much smaller than the ring, long 1.5″ screws add reach. Using a V-size (Vixen) setup? See our Vixen scope rings .\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the dovetail bar included?\u003c\/strong\u003e\u003cbr\u003eNo — the rings bolt to a D-size (Losmandy-style) dovetail plate you already have. Need the plate? See our universal D-size dovetail bars .\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the 3-point adjustment for?\u003c\/strong\u003e\u003cbr\u003eEach ring has three screws spaced around the tube. They center the guide scope in the ring, grip it securely, and let you fine-tune where the scope points — essential for putting a guide star on your sensor. Rings ship with standard 1″ screws; .5″ and 1.5″ sets are available separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOur Recommendation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf you run a Losmandy-style (D-size) setup, the Farpoint 160mm D Style Dovetail Rings is a dependable, precision choice that will integrate cleanly with the rest of your Farpoint dovetail system. Ontario Telescope and Accessories stocks the full Farpoint lineup to help you build a complete, matched mounting solution.\u003c\/p\u003e","brand":"Farpoint","offers":[{"title":"Default Title","offer_id":53297439539311,"sku":"FDR160","price":206.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/upload-1781722728263.jpg?v=1781722730","url":"https:\/\/ontariotelescope.com\/products\/farpoint-160mm-d-style-dovetail-rings","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}