{"product_id":"rb-focus-cooling-fan-mount-for-newtonian-telescopes","title":"RB Focus Cooling Fan Mount for Newtonian Telescopes","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eMounts a standard 92 mm computer fan (fan not included)\u003c\/li\u003e\n\u003cli\u003eAvailable for 150 mm, 200 mm, and 250 mm Newtonian reflectors\u003c\/li\u003e\n\u003cli\u003eInstalls behind the primary mirror to accelerate cooling\u003c\/li\u003e\n\u003cli\u003eReduces tube currents for improved image stability\u003c\/li\u003e\n\u003cli\u003eIncludes a protective fan grille\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\u003eRB Focus Cooling Fan Mount for Newtonian Telescopes\u003c\/h2\u003e\n\u003cp\u003eThe RB Focus Cooling Fan Mount, available for 150 mm, 200 mm, and 250 mm \u003ca href=\"\/en-int\/collections\/newtonian-telescopes\"\u003eNewtonian telescopes\u003c\/a\u003e, is designed to accept a standard 92 mm computer fan (not included). By actively ventilating the primary mirror, this mount allows your telescope to reach thermal equilibrium more quickly.\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\u003eAccelerate Thermal Equilibrium with a 92 mm Fan\u003c\/h3\u003e\n\u003cp\u003eThis RB Focus mount places a 92 mm fan at the rear of the \u003ca href=\"\/en-int\/collections\/reflectors\"\u003ereflector\u003c\/a\u003e to ventilate the primary mirror. This helps the mirror reach thermal stability faster and avoids the air currents that reduce image quality.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces Cooldown Time:\u003c\/strong\u003e Ventilating the mirror helps it reach thermal stability faster.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Fan Size:\u003c\/strong\u003e The mount is built for a common 92 mm computer fan, which you must source separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Grille Included:\u003c\/strong\u003e A protective grille is included to prevent accidental contact with the fan blades.\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\"\u003eWhat is the purpose of the RB Focus Cooling Fan Mount?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt holds a 92 mm fan at the rear of your Newtonian to ventilate the primary mirror, helping it reach thermal stability faster and avoiding the air currents that reduce image quality.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the RB Focus Cooling Fan Mount include the fan?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eNo, the 92 mm fan is not included.\u003c\/strong\u003e You will need to purchase a standard 92 mm computer fan separately to use with this mount.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is included with the RB Focus Cooling Fan Mount?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe fan mount and a protective grille. The 92 mm fan is not included.\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\u003eRecommended fan\u003c\/td\u003e\n\u003ctd\u003e92 mm computer fan (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition\u003c\/td\u003e\n\u003ctd\u003eRear of the reflector, behind the primary mirror\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSizes\u003c\/td\u003e\n\u003ctd\u003eFor 150, 200 and 250 mm reflectors\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\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eRB Focus fan mount\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eProtective grille\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/rb-focus-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eRB Focus 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RB Focus","offers":[{"title":"150 mm","offer_id":67881972171037,"sku":"RB-FANMOUNT-150","price":70.99,"currency_code":"USD","in_stock":true},{"title":"200 mm","offer_id":67881972203805,"sku":"RB-FANMOUNT-200","price":70.99,"currency_code":"USD","in_stock":true},{"title":"250 mm","offer_id":67881972236573,"sku":"RB-FANMOUNT-250","price":93.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/78d234_46eb50ce6d4c483aa22954ab13156f62_mv2.jpg?v=1793070922","url":"https:\/\/davidastro.com\/en-int\/products\/rb-focus-cooling-fan-mount-for-newtonian-telescopes","provider":"David Astro","version":"1.0","type":"link"}