{"product_id":"pegasus-astro-adapter-m72-male-to-m54-male","title":"Pegasus Astro Adapter M72 Male to M54 Male","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConnects M72 Takahashi components to M54 accessories\u003c\/li\u003e\n\u003cli\u003eAdds a precise 8.0mm of optical path length\u003c\/li\u003e\n\u003cli\u003eM72 Male Thread: 1.0mm Pitch\u003c\/li\u003e\n\u003cli\u003eM54 Male Thread: 0.75mm Pitch\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\u003eAdapter M72 Male to M54 Male\u003c\/h2\u003e\n\u003cp\u003eThis precision-machined Adapter M72 Male to M54 Male provides a critical 8.0mm of spacing while converting the M72 (1.0mm pitch) thread common on Takahashi focusers to the widely used M54 (0.75mm pitch) accessory standard. The M72 male thread has a 4mm length, and the M54 male thread also has a 4mm length, ensuring a secure, non-binding fit for your imaging train components.\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\u003ePrecision 8.0mm M72 to M54 Connection\u003c\/h3\u003e\n\u003cp\u003eAchieving the correct back focus is non-negotiable, and this adapter is engineered to solve a common connection problem with exactness. It physically converts the larger M72 thread with its 1.0mm pitch to the M54 thread with its finer 0.75mm pitch, allowing you to attach popular filter wheels, off-axis guiders, and cameras directly to your Takahashi optical tube. The adapter's body provides exactly 8.0mm of optical path length, a specific distance that is often required to hit the manufacturer's specified back focus distance when using certain reducers or flatteners.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTakahashi Compatibility:\u003c\/strong\u003e The male M72 thread with a 1.0mm pitch is designed specifically for the output of many Takahashi focusers and accessories.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM54 Standard:\u003c\/strong\u003e The male M54 thread with a 0.75mm pitch is the standard for countless astrophotography accessories, making this adapter a key component for system integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed 8.0mm Spacing:\u003c\/strong\u003e Provides a known, non-variable 8.0mm extension, simplifying back focus calculations and eliminating a potential source of error in your imaging setup.\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 primary use for this Adapter M72 Male to M54 Male?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis adapter is designed to connect imaging accessories that use the common \u003cstrong\u003eM54 x 0.75mm\u003c\/strong\u003e female thread to a telescope focuser or corrector that has a female \u003cstrong\u003eM72 x 1.0mm\u003c\/strong\u003e thread, which is standard on many Takahashi telescopes. It also adds a fixed \u003cstrong\u003e8.0mm\u003c\/strong\u003e to the optical path.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is the 8.0mm thickness of the Adapter M72 Male to M54 Male important?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e8.0mm\u003c\/strong\u003e thickness is a specific optical distance. In many imaging trains, especially those with focal reducers or field flatteners, a precise back focus distance (e.g., 55mm) must be maintained. This adapter provides 8.0mm of that required distance while also converting the thread type.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this adapter work with my FSQ-106EDX4 telescope and ZWO filter wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this is a common application. The FSQ-106EDX4 often terminates in an M72 female thread, and ZWO filter wheels typically use M54 connections. This adapter will bridge that gap. You must still account for the adapter's 8.0mm path length in your total back focus calculation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between the M72 and M54 threads on this adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBoth threads are male, but they differ in diameter and pitch. The M72 side has a 72mm diameter with a \u003cstrong\u003e1.0mm\u003c\/strong\u003e thread pitch (Takahashi standard). The M54 side has a 54mm diameter with a finer \u003cstrong\u003e0.75mm\u003c\/strong\u003e thread pitch, which is common for full-frame imaging accessories.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs this adapter suitable for connecting a heavy camera and filter wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. Both the M72 and M54 threads are large, robust connections designed to carry significant weight without flexure. The 4mm thread length on both sides provides ample engagement for a secure and rigid connection, preventing tilt in your imaging train.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this Adapter M72 Male to M54 Male for visual observing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile primarily designed for astrophotography, you could theoretically use it in a visual setup if your diagonal or eyepiece holder required an M54 male thread for connection. However, its main purpose is to integrate photographic equipment at a precise spacing.\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\u003eAdapter Thickness\u003c\/td\u003e\n\u003ctd\u003e8.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread (Side 1)\u003c\/td\u003e\n\u003ctd\u003eM72 Male (Takahashi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Pitch (Side 1)\u003c\/td\u003e\n\u003ctd\u003e1.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Length (Side 1)\u003c\/td\u003e\n\u003ctd\u003e4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread (Side 2)\u003c\/td\u003e\n\u003ctd\u003eM54 Male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Pitch (Side 2)\u003c\/td\u003e\n\u003ctd\u003e0.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Length (Side 2)\u003c\/td\u003e\n\u003ctd\u003e4mm\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 M72 Male to M54 Male\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\/pegasus-astro-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003ePegasus Astro 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pegasus Astro","offers":[{"title":"Default Title","offer_id":52686357233949,"sku":"PEG-ADAPT-M72M-M54M","price":59.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/PEG-ADAPT-M72M-M54M.jpg?v=1786733788","url":"https:\/\/davidastro.com\/fr\/products\/pegasus-astro-adapter-m72-male-to-m54-male","provider":"David Astro","version":"1.0","type":"link"}