{"product_id":"pegasus-astro-adapter-m42-male-to-1-25-nosepiece","title":"Pegasus Astro Adapter M42 Male to 1.25'' Nosepiece","description":"\u003cul class=\"DAV-feature-list\"\u003e\n  \u003cli\u003eConnects M42 T-threaded accessories to 1.25\" focusers\u003c\/li\u003e\n  \u003cli\u003eStandard M42 male threads with a 0.75mm pitch\u003c\/li\u003e\n  \u003cli\u003eFits any standard 1.25\" diagonal, focuser, or adapter\u003c\/li\u003e\n  \u003cli\u003eProvides a secure, threaded connection for cameras and guiders\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 M42 Male to 1.25'' Nosepiece\u003c\/h2\u003e\n          \u003cp\u003eThis Adapter M42 Male to 1.25'' Nosepiece provides a simple, secure solution for attaching imaging cameras and other accessories to your telescope. It features standard male M42x0.75mm T-threads on one side and a standard 1.25\" barrel on the other, allowing you to directly connect devices with a female T-thread into any 1.25\" focuser or diagonal.\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 Imaging Train with an M42 to 1.25\" Connection\u003c\/h3\u003e\n          \u003cp\u003eInstead of relying on a simple slide-in nosepiece that is held only by a thumbscrew, this adapter lets you thread your camera or accessory directly onto the barrel. This creates a rigid, tilt-free connection that is essential for autoguiding or planetary imaging, ensuring your sensor remains perfectly orthogonal to the optical axis. The M42x0.75mm pitch is the universal standard for T-threads, making it compatible with a vast ecosystem of astronomical equipment.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \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 the Adapter M42 Male to 1.25'' Nosepiece?\u003c\/h3\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion-A\"\u003e\n      \u003cp\u003eThe primary use is to connect a camera, guider, or other accessory that has female M42 T-threads (with a 0.75mm pitch) to a standard 1.25\" telescope focuser, diagonal, or Barlow lens. It effectively converts the threaded M42 port into a slide-in 1.25\" barrel.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n      \u003ch3 class=\"DAV-accordion-Q\"\u003eHow does this adapter provide a more secure connection?\u003c\/h3\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion-A\"\u003e\n      \u003cp\u003eBy threading your M42-equipped camera directly onto the adapter, you create a single, solid unit. This assembly then slides into the focuser. This is more secure than using a separate nosepiece that might have play or allow the camera to rotate, preventing potential tilt or flexure in your imaging train.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n      \u003ch3 class=\"DAV-accordion-Q\"\u003eWill this M42 Male to 1.25'' Nosepiece work with my ZWO or QHY planetary camera?\u003c\/h3\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion-A\"\u003e\n      \u003cp\u003eYes. Most dedicated astronomy cameras from brands like ZWO, QHY, and others come with female M42x0.75mm threads, often concealed by a removable 1.25\" nosepiece. This adapter can serve as a direct, threaded replacement for the stock nosepiece, offering a more rigid connection.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n      \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I attach 1.25\" filters to this adapter?\u003c\/h3\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion-A\"\u003e\n      \u003cp\u003eThis adapter is not designed with internal threads for filters. It is a straight-through M42 male to 1.25\" barrel adapter. Filters would need to be placed elsewhere in your optical train, such as in a filter wheel or a filter drawer that is attached before this adapter.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n      \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does M42x0.75mm pitch mean?\u003c\/h3\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion-A\"\u003e\n      \u003cp\u003eThis is the specification for the thread standard, commonly known as a \"T-thread\" in astronomy. \u003cstrong\u003eM42\u003c\/strong\u003e refers to the 42mm diameter of the thread, and \u003cstrong\u003e0.75mm\u003c\/strong\u003e is the distance between each thread crest. This is the most common standard for camera and accessory connections.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n      \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this adapter to attach my DSLR to a 1.25\" focuser?\u003c\/h3\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion-A\"\u003e\n      \u003cp\u003eYes, but you will need an additional part. You would first need a T-ring specific to your camera brand (e.g., Canon, Nikon, Sony). The T-ring provides the female M42 threads that this adapter will then screw into, allowing you to connect the entire DSLR assembly to a 1.25\" port.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eConnection Type\u003c\/td\u003e\n          \u003ctd\u003eM42 Male to 1.25\" standard nosepiece\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eThread Pitch\u003c\/td\u003e\n          \u003ctd\u003e0.75mm\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 M42 Male to 1.25\" 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\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":52686355726621,"sku":"PEG-ADAPT-M42M-125NP","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/pegasus-astro-adapter-m42-male-to-1-25-inch-nosepiece-1.png?v=1793649427","url":"https:\/\/davidastro.com\/fr-us\/products\/pegasus-astro-adapter-m42-male-to-1-25-nosepiece","provider":"David Astro","version":"1.0","type":"link"}