{"product_id":"orion-optics-uk-secondary-dew-heater-ag14-odk14-carbon-fibre","title":"Orion Optics UK Dew Heater for Sec. 14″","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eCustom-designed for 14\" Orion Optics UK secondary mirrors\u003c\/li\u003e\n\u003cli\u003ePrevents dew formation on the secondary optical surface\u003c\/li\u003e\n\u003cli\u003eEnsures maximum image contrast and light transmission\u003c\/li\u003e\n\u003cli\u003eEngineered for AG14 and ODK14 telescope models\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\u003eDew Heater for Sec. 14″\u003c\/h2\u003e\n\u003cp\u003eThis Orion Optics UK Dew Heater is the definitive solution for protecting the secondary mirror of your 14-inch telescope from moisture. Custom-engineered specifically for the 14-inch AG14 and ODK14 models, it ensures your imaging sessions are not cut short by dew. By applying gentle, controlled warmth, this heater keeps the secondary mirror surface just above the dew point, preserving the high-contrast performance of your 14-inch optical system all night long.\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\u003eMaintain Peak Contrast: Why Your 14\" Secondary Needs Heat\u003c\/h3\u003e\n\u003cp\u003eIn any open-tube Newtonian or Dall-Kirkham design, the secondary mirror is the most exposed optical element and the first to fall victim to dew. As its temperature drops below the ambient dew point, microscopic water droplets form, scattering light, destroying contrast, and ultimately rendering your telescope unusable. This heater for your 14-inch secondary directly counteracts this cooling, maintaining the mirror's surface temperature to prevent dew from ever forming.\u003c\/p\u003e\n\u003cp\u003eThe result is a protected optical surface that continues to deliver the sharp, high-contrast views your Orion Optics UK instrument was built for. For imagers, this means no loss of faint signal from nebulae or galaxies, and for visual observers, it means planetary details remain crisp even on damp nights.\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\u003eSeamless Integration for 14\" AG14 \u0026amp; ODK14 Telescopes\u003c\/h3\u003e\n\u003cp\u003eThis is not a generic, one-size-fits-all solution. The Orion Optics UK Dew Heater for Sec. 14\" is designed to integrate perfectly with the specific mechanics of their 14-inch Astrograph (AG14) and Optimized Dall-Kirkham (ODK14) telescopes. Its form factor and power requirements are matched to the instrument, ensuring efficient heat transfer without introducing any optical or mechanical interference.\u003c\/p\u003e\n\u003cp\u003eBy using a component designed by the telescope's original manufacturer, you guarantee a correct fit and reliable operation. It's an essential piece of equipment for any owner of a 14-inch Orion Optics UK telescope who observes or images in humid conditions.\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\"\u003eWhy do I need a secondary dew heater for my Orion Optics UK 14\" telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe secondary mirror on your 14\" AG14 or ODK14 is exposed to the night sky and will radiate heat, quickly cooling below the dew point. When this happens, dew forms and completely compromises your images and views by scattering light. This heater is essential insurance against a session-ending dew-out.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs this Orion Optics UK 14\" dew heater compatible with other telescopes?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. This heater is specifically designed for the secondary mirror mounts and dimensions of the \u003cstrong\u003eOrion Optics UK 14\" AG14 and ODK14 models\u003c\/strong\u003e. Using it on other telescopes is not recommended as the fit and heating characteristics may not be appropriate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill using this heater on my ODK14 affect image quality or introduce tube currents?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhen used with a proper dew controller, the heater applies very gentle, low-power warmth—just enough to stay 1-2 degrees above the dew point. This minimal thermal input is highly unlikely to create noticeable tube currents or degrade the exceptional image quality of your 14-inch ODK14. Its primary function is to preserve, not alter, the optical performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI'm imaging the Andromeda Galaxy (M31) with my AG14; how critical is this heater?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor long-exposure imaging of faint, broad targets like the Andromeda Galaxy (M31), preventing dew is absolutely critical. Even a thin layer of dew on the secondary of your AG14 will scatter faint light from the galaxy's outer arms, drastically reducing contrast against the sky background. This heater ensures your 14\" optical system collects clean data for the entire duration of your imaging run.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of dew controller do I need for this 14\" secondary heater?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou will need a 12V DC dew controller system with at least one available heater output channel. These controllers allow you to adjust the power sent to the heater, ensuring you apply only the minimum energy needed to prevent dew. This conserves battery power and minimizes any potential for heat-induced turbulence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow is the Dew Heater for Sec. 14\" installed?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eInstallation typically involves attaching the heater element to the back of the secondary mirror holder. The power cable is then routed along one of the secondary spider vanes to the outside of the optical tube for connection to a dew controller. Always refer to the manufacturer's specific instructions for your telescope model.\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":52942370898205,"sku":"OOUK-SECONDARY-DEW-HEATER-AG14-ODK14","price":852.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Orion-Optics-UK-Logo_abab4261-c8fe-41cc-b497-175ad5c65376.jpg?v=1789607097","url":"https:\/\/davidastro.com\/en-us\/products\/orion-optics-uk-secondary-dew-heater-ag14-odk14-carbon-fibre","provider":"David Astro","version":"1.0","type":"link"}