{"product_id":"baader-planetarium-adapter-m54i-to-t-2a","title":"Baader Planetarium Adapter M54i to T-2a","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConnects M54 (female) threaded components to T-2 (male) accessories\u003c\/li\u003e\n\u003cli\u003eEnables integration of T-2 filter wheels, guiders, and cameras\u003c\/li\u003e\n\u003cli\u003eCreates a secure, threaded connection to prevent tilt and flexure\u003c\/li\u003e\n\u003cli\u003eMachined for precise optical alignment\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\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\u003eAdapter M54i to T-2a\u003c\/h2\u003e\n      \u003cp\u003eThe Adapter M54i to T-2a creates a critical, secure connection between optical components using the M54 thread standard and the vast ecosystem of accessories based on the T-2 (M42x0.75) thread. This component allows you to integrate T-2 filter wheels, off-axis guiders, or cameras directly into an M54-threaded optical train, such as those found on many modern focusers and field correctors. It ensures a rigid, flex-free coupling essential for maintaining optical alignment in an imaging setup.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eBridge Your M54 Focuser to the T-2 Accessory System\u003c\/h3\u003e\n      \u003cp\u003eThis adapter features an internal (female) M54 thread on one side and an external (male) T-2 thread on the other. This configuration is ideal for attaching T-2 accessories directly to the output of focusers or correctors that terminate in an M54 female thread. By creating an all-threaded connection, you eliminate the potential for tilt and instability that can occur when using compression rings or other less secure mounting methods.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the primary function of the Adapter M54i to T-2a?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe Adapter M54i to T-2a serves as a thread converter. It allows you to connect an accessory that has a \u003cstrong\u003efemale T-2 (M42x0.75) thread\u003c\/strong\u003e to a telescope, focuser, or corrector that has a \u003cstrong\u003efemale M54 thread\u003c\/strong\u003e.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat do the \"i\" and \"a\" in the Adapter M54i to T-2a name signify?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe designations refer to the thread type on each side of the adapter. \u003cstrong\u003e\"i\" stands for internal (female) threads\u003c\/strong\u003e, so the M54 side has female threads. \u003cstrong\u003e\"a\" stands for external (male) threads\u003c\/strong\u003e, meaning the T-2 side has male threads.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Adapter M54i to T-2a to attach my T-2 filter wheel to a Baader Steeltrack focuser?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, this is a perfect application for this adapter. Many Baader Steeltrack and Diamond Steeltrack focusers have an M54 female thread output. The Adapter M54i to T-2a will thread into the focuser, providing a male T-2 thread to securely mount your T-2 filter wheel or other accessory.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWill this Adapter M54i to T-2a allow me to connect a ZWO camera to my field flattener with an M54 output?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. If your field flattener has an M54 female output thread and your ZWO camera requires a male T-2 thread for connection (which is standard), this adapter will bridge the two components. It creates a solid, threaded connection for your imaging train.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Adapter M54i to T-2a add significant length to the optical path?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eLike any adapter, it adds some optical path length. While the exact length is not specified, these types of adapters are typically designed to be as thin as possible to minimize their impact on back focus. You should always account for the adapter's thickness when calculating your back focus spacing.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Adapter M54i to T-2a compatible with components from different brands?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, as long as the threads match. M54 and T-2 are standardized threads used by many manufacturers in the astronomy industry. This adapter should be compatible with any component that correctly implements these thread standards.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Diameter \/ Clear Aperture (mm)\u003c\/td\u003e\n\u003ctd\u003e39 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd\u003e59 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Adapter\u003c\/td\u003e\n\u003ctd\u003eReducing Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical length (mm)\u003c\/td\u003e\n\u003ctd\u003e4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Connection (eyepiece\/-camera-sided)\u003c\/td\u003e\n\u003ctd\u003eM42 x 0.75 (T-2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Connection (lens sided)\u003c\/td\u003e\n\u003ctd\u003eM54 x 0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapters Family\u003c\/td\u003e\n\u003ctd\u003eT-2 System, M54 System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cul class=\"DAV-grid\"\u003e\n    \n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\nPlease refer to the manufacturer's warranty policy for details.\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Baader Planetarium","offers":[{"title":"Default Title","offer_id":52913169531165,"sku":"BAA-2958753","price":53.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-Adapter-M54i-to-T-2a-1_e995310a-16db-4701-8771-6bd981b406cd.jpg?v=1789087030","url":"https:\/\/davidastro.com\/fr\/products\/baader-planetarium-adapter-m54i-to-t-2a","provider":"David Astro","version":"1.0","type":"link"}