{"product_id":"explore-scientific-m48-1","title":"Explore Scientific M48x1 Adapter for FFEDAPO","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConnects M48x1 accessories to the FFEDAPO Field Flattener\u003c\/li\u003e\n\u003cli\u003eProvides a larger aperture than standard M42 T-threads\u003c\/li\u003e\n\u003cli\u003eDesigned for Explore Scientific's FFEDAPO 2-inch Field Flattener\u003c\/li\u003e\n\u003cli\u003eDurable metal construction for a secure connection\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\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\u003eM48x1 Adapter for FFEDAPO\u003c\/h2\u003e\n      \u003cp\u003eThis adapter converts the output of the Explore Scientific FFEDAPO 2-inch Field Flattener to a male M48x1 thread, providing a wider, more secure connection for full-frame cameras, filter wheels, and other imaging accessories that use the 2-inch filter thread standard.\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\u003eSecure M48x1 Threading for the FFEDAPO Flattener\u003c\/h3\u003e\n      \u003cp\u003eBy replacing the standard T-thread adapter on your flattener, this M48x1 adapter opens up the light path to better illuminate larger sensors and minimize vignetting. The M48 thread is the standard for 2-inch filters and has become the preferred connection for full-frame imaging trains, offering a more rigid and less restrictive alternative to older M42 T-threads. This component ensures your camera or filter wheel has a solid, threaded attachment directly to the FFEDAPO flattener's corrected field.\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 purpose of the M48x1 Adapter for FFEDAPO?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe primary purpose of this adapter is to allow you to connect imaging accessories with a female \u003cstrong\u003eM48x1 thread\u003c\/strong\u003e (commonly found on full-frame camera adapters, filter wheels, and off-axis guiders) directly to the Explore Scientific FFEDAPO 2-inch Field Flattener.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhich Explore Scientific product is the M48x1 Adapter designed for?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThis adapter is specifically designed for the \u003cstrong\u003eExplore Scientific FFEDAPO 2-inch Field Flattener\u003c\/strong\u003e. It serves as an alternate, larger-aperture connection option for that specific flattener.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhy would I use the M48x1 Adapter for FFEDAPO instead of a standard M42 T-adapter?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe M48 thread has a larger clear aperture than the M42 T-thread. This is critical for astrophotography with cameras that have large sensors (such as full-frame DSLRs or dedicated astronomy cameras) as it helps to prevent vignetting, which is the darkening of the corners of your image.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWill the M48x1 Adapter for FFEDAPO help reduce vignetting with my full-frame camera on an Explore Scientific ED127?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, it can. When used with the FFEDAPO flattener on a telescope like the ED127, the wider \u003cstrong\u003eM48x1 connection\u003c\/strong\u003e provides a less restricted light path to your full-frame sensor compared to a standard M42 T-ring. This is a key factor in achieving more even illumination across the entire frame and reducing vignetting.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the M48x1 Adapter for FFEDAPO affect the flattener's back focus distance?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, like any adapter, it has a specific optical thickness that contributes to the total back focus of your imaging train. You must account for the thickness of this adapter when calculating the spacing needed to achieve the FFEDAPO flattener's required back focus for a flat field.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I install the M48x1 Adapter on my FFEDAPO flattener?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYou would typically unthread the existing M42 T-adapter that comes standard with the FFEDAPO Field Flattener. Once removed, you can thread the M48x1 Adapter directly onto the flattener body in its place, providing the new, larger connection point for your imaging train.\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\u003eThread\u003c\/td\u003e\n\u003ctd\u003eM48x1\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eExplore Scientific FFEDAPO 2-inch Field Flattener\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    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003eM48x1 Adapter for FFEDAPO\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\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/explore-scientific-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eExplore Scientific Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":52909430964509,"sku":"ES-M48-1","price":29.0,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/davidastro.com\/products\/explore-scientific-m48-1","provider":"David Astro","version":"1.0","type":"link"}