{"product_id":"orion-optics-uk-odk24tr-ms","title":"Orion Optics UK Truss Shroud for 24″ Telescopes","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eDesigned for 24\" Truss Tube Telescopes\u003c\/li\u003e\n\u003cli\u003eBlocks Stray Light to Maximize Contrast\u003c\/li\u003e\n\u003cli\u003eBreathable Material Prevents Tube Currents\u003c\/li\u003e\n\u003cli\u003eFlexible Fabric Fits Around Accessories\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\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\u003eTruss Shroud for 24″ Telescopes\u003c\/h2\u003e\n\u003cp\u003eThe Truss Shroud for 24″ telescopes is an essential accessory for optimizing contrast and thermal stability in large, open-tube instruments by blocking stray light and managing internal air currents.\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\u003eStray Light and Thermal Control for 24\" Truss Telescopes\u003c\/h3\u003e\n\u003cp\u003eAn open truss design offers portability for large apertures but exposes the optical path to stray light and thermal instability. This shroud, made from a black, latex-type material, solves both problems. It creates a dark interior, preventing off-axis light from streetlights, the Moon, or other sources from reaching the focal plane and washing out faint details on planets and deep-sky objects.\u003c\/p\u003e\n\u003cp\u003eCritically, the material is designed to \"keep the air flowing.\" This breathable nature allows heat radiating from the primary mirror to escape rather than becoming trapped, preventing the formation of image-degrading tube currents. The result is a more stable, higher-resolution view, especially during long imaging sessions or nights with subtle temperature changes.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable Fit:\u003c\/strong\u003e The flexible material can be stretched and manipulated to create a snug fit around focusers, finderscopes, and dovetail plates without leaving gaps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Made from a material developed specifically for the demands of astronomical observing, it resists wear while maintaining its light-blocking properties.\u003c\/li\u003e\n\u003c\/ul\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\"\u003eWhy do I need a shroud for my 24\" truss telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA shroud serves two primary functions. First, it \u003cstrong\u003eblocks stray light\u003c\/strong\u003e from entering the optical path, which significantly improves image contrast by darkening the sky background. Second, it helps \u003cstrong\u003estabilize the air\u003c\/strong\u003e inside the tube, minimizing thermal currents that can degrade image sharpness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this 24\" Truss Shroud fit around my focuser and other accessories?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The shroud is made from a flexible, latex-type material that is designed to be moved and manipulated. You can stretch and position it to fit securely around your focuser, finder brackets, and dovetail plates for a complete light seal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does this 24\" Truss Shroud help with thermal management?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe material is specifically described as helping to \"keep the air flowing.\" This breathability is crucial for preventing heat from the primary mirror from getting trapped inside the optical tube. By allowing warm air to escape, the shroud minimizes the formation of tube currents, which are a major cause of soft or blurry views.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the material of the 24\" Truss Shroud waterproof?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe provided information does not state whether the material is waterproof. Its main purpose is to block stray light and allow for airflow to manage thermals, not to serve as a rain or heavy dew cover.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eObserving from my backyard, how will this 24\" Truss Shroud improve views of the Whirlpool Galaxy (M51)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBy blocking stray light from neighborhood sources, the 24\" Truss Shroud will create a darker background sky in your eyepiece. This increases the contrast between the galaxy and the sky, making it easier to see faint, extended details like the spiral arms of M51 and the connecting bridge to its companion galaxy, NGC 5195.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the 24\" Truss Shroud act like a sail on my telescope on a windy night while imaging Jupiter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAny shroud can catch some wind. However, the primary benefit of controlling stray light and thermals often outweighs the risk of wind-induced vibration, especially for planetary imaging where contrast is key. On very windy nights, you may need to assess whether the conditions are suitable for high-resolution imaging with or without the shroud.\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\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":52942369751325,"sku":"OOUK-ODK24TR-MS","price":2344.0,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/davidastro.com\/products\/orion-optics-uk-odk24tr-ms","provider":"David Astro","version":"1.0","type":"link"}