{"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 Newtonian telescopes, 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 reflector to ventilate the primary mirror. RB Focus says 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-us\/products\/rb-focus-cooling-fan-mount-for-newtonian-telescopes","provider":"David Astro","version":"1.0","type":"link"}