{"product_id":"pegasus-astro-adapter-m54-male-to-2-nosepiece","title":"Pegasus Astro Adapter M54 Male to 2'' Nosepiece","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConnects M54x0.75 threaded accessories to any standard 2\" focuser\u003c\/li\u003e\n\u003cli\u003eUltra-thin 1.5mm adapter flange consumes minimal back focus\u003c\/li\u003e\n\u003cli\u003eFeatures internal M48x0.75 threads for standard 2\" astronomy filters\u003c\/li\u003e\n\u003cli\u003eTotal nosepiece length of 35mm provides a secure fit\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\u003ePegasus Astro Adapter M54 Male to 2'' Nosepiece\u003c\/h2\u003e\n\u003cp\u003eThis Pegasus Astro Adapter M54 Male to 2\" Nosepiece provides a robust connection with a total length of 35mm, consuming only 1.5mm of precious back focus. It is designed to mount any accessory with a female M54 thread into a standard 2\" focuser or visual back, and includes an internal M48 thread for direct mounting of 2\" filters.\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\u003eSecure Your M54 Accessories with Just 1.5mm of Back Focus\u003c\/h3\u003e\n\u003cp\u003eEngineered for imagers working with tight back focus tolerances, this adapter converts the male M54 thread common on flatteners, rotators, and off-axis guiders to a standard 2\" nosepiece. The adapter flange itself is only 1.5mm thick, ensuring it adds almost no length to your optical train while the full 35mm barrel provides a secure, non-tilting seat inside the focuser drawtube.\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\u003eIntegrated M48 Filter Cell for 2\" Filters\u003c\/h3\u003e\n\u003cp\u003eThe nosepiece features an internal M48x0.75 thread, allowing you to attach standard 2\" filters directly to the adapter. This is the most efficient way to place a light pollution or narrowband filter at the front of your imaging train, saving you the expense and back focus of a separate filter drawer or wheel, especially in minimalist setups.\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 is the Pegasus Astro M54 to 2\" adapter used for?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis adapter is designed to connect astronomy accessories that have a female M54x0.75 thread (like the Pegasus Astro Falcon Rotator or certain field flatteners) to a standard 2\" focuser, diagonal, or other 2\" receptacle on a telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow much back focus does the M54 adapter consume?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe adapter flange has a thickness of only \u003cstrong\u003e1.5mm\u003c\/strong\u003e. This is the total amount of back focus it will add to your imaging train, making it ideal for systems where every millimeter counts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use 2\" filters with this M54 adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The inside of the 2\" nosepiece is threaded for standard \u003cstrong\u003eM48x0.75 filters\u003c\/strong\u003e. This allows you to screw a 2\" filter directly into the adapter, placing it at the front of your imaging train before the light path enters your other accessories.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I attach this adapter to my Pegasus Astro Falcon Rotator to use it with my refractor's 2\" focuser?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou would thread the M54 male side of this adapter into the female M54 telescope-side connection of the Falcon Rotator. The 2\" nosepiece can then be inserted directly into your refractor's 2\" focuser and secured with the compression ring or set screws.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the total length of the Pegasus Astro M54 nosepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe total length of the nosepiece portion that inserts into a focuser is \u003cstrong\u003e35mm\u003c\/strong\u003e. This provides ample surface area for a secure, tilt-free connection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this adapter work with accessories that are not from Pegasus Astro?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, absolutely. As long as your accessory uses a standard female M54x0.75 thread and you need to connect it to a 2\" port, this adapter will work perfectly, regardless of the manufacturer.\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\u003eTotal Nosepiece Length\u003c\/td\u003e\n\u003ctd\u003e35mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapter Thickness (Back Focus)\u003c\/td\u003e\n\u003ctd\u003e1.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Threads\u003c\/td\u003e\n\u003ctd\u003eM48x0.75 (for 2\" Filters)\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\"\u003eAdapter M54 Male to 2'' Nosepiece\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\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/pegasusastro.com\/download\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Unity Platform Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/pegasus-astro-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003ePegasus Astro 2-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pegasus Astro","offers":[{"title":"Default Title","offer_id":52686355824925,"sku":"PEG-ADAPT-M54M-2NP","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/PEG-ADAPT-M54M-2NP.jpg?v=1786733618","url":"https:\/\/davidastro.com\/fr-us\/products\/pegasus-astro-adapter-m54-male-to-2-nosepiece","provider":"David Astro","version":"1.0","type":"link"}