{"product_id":"orion-optics-uk-250mm-dobsonian-mount-acceots-tubes-upto-280mm-dia","title":"Orion Optics UK 250mm Dobsonian Mount","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eDesigned for 250mm (10-inch) class Newtonian telescopes\u003c\/li\u003e\n\u003cli\u003eAccepts optical tubes with an outer diameter up to 280mm\u003c\/li\u003e\n\u003cli\u003eClassic Dobsonian rocker box design for stability\u003c\/li\u003e\n\u003cli\u003eProvides smooth altitude and azimuth motions\u003c\/li\u003e\n\u003cli\u003eIdeal foundation for high-resolution visual observing\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\u003eOrion Optics UK 250mm Dobsonian Mount\u003c\/h2\u003e\n\u003cp\u003eThe Orion Optics UK 250mm Dobsonian Mount provides a simple, rigid foundation for 10-inch class Newtonian optical tubes with diameters up to 280mm. This classic rocker-box mount is engineered for the visual observer who prioritizes stability and ease of use over complex electronics, ensuring that the high-quality views from your optics are not compromised by vibration or instability.\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\u003eA Stable Platform for Tubes up to 280mm in Diameter\u003c\/h3\u003e\n\u003cp\u003eThis mount is specifically constructed to carry 250mm (10-inch) Newtonian telescopes, accommodating tube diameters as large as 280mm. The robust, ground-based design ensures maximum rigidity, which is critical for maintaining sharp, steady images at the high magnifications these instruments are capable of. By minimizing vibrations, it allows the fine details on planets and in deep-sky objects to resolve clearly.\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\u003eThe Dobsonian Advantage: Simplicity and Stability for Visual Astronomy\u003c\/h3\u003e\n\u003cp\u003eThe Dobsonian design is the epitome of functional simplicity. With intuitive push-to motions in altitude and azimuth, you can navigate the night sky effortlessly without the need for polar alignment, power supplies, or electronic controllers. This mount is the ideal partner for an Orion Optics UK optical tube, providing the unwavering support needed for pure, high-contrast visual astronomy.\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 size telescopes will fit the Orion Optics UK 250mm Dobsonian Mount?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis mount is designed for 250mm (10-inch) Newtonian reflectors but can accommodate any optical tube with an outer diameter up to 280mm. It's crucial to measure your telescope's tube diameter, not just its aperture, to ensure a proper fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Orion Optics UK 250mm Dobsonian Mount suitable for astrophotography?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this mount is designed for visual use. A Dobsonian mount moves in altitude and azimuth (up-down, left-right) and does not track the rotation of the Earth in an arc. While suitable for short-exposure planetary or lunar imaging with a dedicated camera, it is \u003cstrong\u003enot suitable for long-exposure deep-sky astrophotography\u003c\/strong\u003e, which requires an equatorial mount.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I balance a telescope on the 250mm Dobsonian Mount?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBalancing is achieved by adjusting the position of the telescope tube within its cradle or rings along its length. The goal is to find the center of gravity so the telescope remains level and moves smoothly without tipping forward or backward when heavy eyepieces or accessories are added.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat are the main benefits of using a Dobsonian mount?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary benefits of a Dobsonian mount are stability, simplicity, and cost-effectiveness.\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStability:\u003c\/strong\u003e The low center of gravity and wide base make it extremely resistant to vibrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimplicity:\u003c\/strong\u003e There are no complex electronics or alignment procedures. You simply place it on the ground and start observing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-Effectiveness:\u003c\/strong\u003e It provides a solid platform for large-aperture telescopes at a fraction of the cost of an equatorial mount of similar capacity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use a 200mm (8\") f\/6 Newtonian on this 250mm mount?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, provided the outer diameter of your 200mm telescope's tube is less than the 280mm maximum capacity of the mount. Using a slightly smaller telescope on a larger mount often results in exceptional stability, as the mount is over-specified for the load.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of observing is the Orion Optics UK 250mm mount best for?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis mount excels at visual deep-sky observing. Its stability is perfect for scanning the Milky Way for faint nebulae like the Veil Nebula (NGC 6960) or resolving individual stars in globular clusters like the Great Cluster in Hercules (M13) at high power.\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\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eAlt-Azimuth Dobsonian Rocker Box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Compatibility\u003c\/td\u003e\n\u003ctd\u003e250mm (10-inch) class Newtonians\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Tube Diameter\u003c\/td\u003e\n\u003ctd\u003e280mm\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\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":52942574092573,"sku":"OOUK-250MM-DOBSONIAN-MOUNT-ACCEOTS-TUBES","price":801.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/OrionOpticsUK-250mm-Dobsonian-Mount-1_ced4c60b-aab6-404c-8080-e10411e79da8.jpg?v=1789608029","url":"https:\/\/davidastro.com\/fr\/products\/orion-optics-uk-250mm-dobsonian-mount-acceots-tubes-upto-280mm-dia","provider":"David Astro","version":"1.0","type":"link"}