{"product_id":"orion-optics-uk-150mm-radius-blocks-each","title":"Orion Optics UK Radius blocks to fit 150mm scope","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eDesigned for 150mm Telescope Tubes\u003c\/li\u003e\n\u003cli\u003eProvides a Curved Mounting Surface\u003c\/li\u003e\n\u003cli\u003eEnsures a Secure, Flush Fit for Accessories\u003c\/li\u003e\n\u003cli\u003eSold Individually\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\u003eRadius blocks to fit 150mm scope\u003c\/h2\u003e\n\u003cp\u003eThe Orion Optics UK Radius Blocks are machined to precisely match the curvature of a 150mm optical tube, providing a secure and stable platform for mounting dovetail bars and other accessories.\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\u003eSecure Mounting for 150mm Telescope Tubes\u003c\/h3\u003e\n\u003cp\u003eWhen attaching a flat accessory like a dovetail mounting bar to a curved telescope tube, a gap is created that can lead to instability and place stress on the mounting points. These radius blocks are custom-shaped to fill that gap, ensuring your accessories sit perfectly flush against the tube surface. This creates a rigid, stable connection essential for reliable tracking and imaging, preventing flexure and potential damage to your optical tube.\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 are the Orion Optics UK Radius Blocks for a 150mm scope used for?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThese radius blocks are designed to create a solid, flush mounting surface on the curved optical tube of a 150mm telescope. They are used to attach flat-bottomed accessories, such as \u003cstrong\u003edovetail bars\u003c\/strong\u003e or \u003cstrong\u003eguide scope rings\u003c\/strong\u003e, without stressing or damaging the tube.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow many Orion Optics UK 150mm Radius Blocks do I need?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou will need at least \u003cstrong\u003etwo radius blocks\u003c\/strong\u003e to mount a typical accessory like a dovetail bar. For longer or heavier accessories, using three or more blocks can provide additional stability. They are sold individually, allowing you to buy the exact number required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eAre these 150mm radius blocks sold in pairs?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, the Orion Optics UK 150mm Radius Blocks are \u003cstrong\u003esold individually\u003c\/strong\u003e. This allows you to purchase the exact number you need for your specific mounting project.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill these radius blocks fit any 150mm telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThese blocks are machined for the specific curvature of \u003cstrong\u003eOrion Optics UK's 150mm optical tubes\u003c\/strong\u003e. While they may fit other 150mm telescopes with a similar outer tube diameter, a perfect flush fit is only guaranteed on the intended models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use these Orion Optics UK blocks to mount a dovetail bar to my 150mm Newtonian?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this is their primary purpose. By placing two or more blocks between the telescope tube and the dovetail bar, you ensure the bar sits securely on the curved surface, providing a rigid connection for mounting the telescope without flexure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the benefit of using a radius block instead of mounting a bar directly to my 150mm tube?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eMounting a flat bar directly to a curved tube creates stress points at the bolts and a gap along the bar's length, leading to instability and potential tube damage. A radius block fills this gap, distributing the load evenly and creating a much more secure and stable mechanical connection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\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\/orion-optics-uk-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eOrion Optics UK 1-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Orion Optics UK","offers":[{"title":"Default Title","offer_id":52942589460765,"sku":"OOUK-150MM-RADIUS-BLOCKS-EACH","price":71.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/OrionOpticsUK-Radius-blocks-to-fit-150mm-scope-1_e66898ab-1576-4f4c-865e-aca7d9ee32e6.jpg?v=1789608159","url":"https:\/\/davidastro.com\/en-us\/products\/orion-optics-uk-150mm-radius-blocks-each","provider":"David Astro","version":"1.0","type":"link"}