{"product_id":"starizona-m42-to-m48-step-ring-with-lip","title":"Starizona M42 to M48 Step Ring with Lip","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConverts M42 female threads to M48 male threads\u003c\/li\u003e\n\u003cli\u003eStandard M42 T-thread (inner) and M48 2\" filter thread (outer) compatibility\u003c\/li\u003e\n\u003cli\u003eMachined lip provides a secure, positive stop when threaded in\u003c\/li\u003e\n\u003cli\u003eLow-profile design for adapting components in an imaging train\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\u003eStarizona M42 to M48 Step Ring with Lip\u003c\/h2\u003e\n\u003cp\u003eThe Starizona M42 to M48 Step Ring with Lip is a fundamental adapter for connecting imaging components with different thread sizes. This ring is machined with internal M42 female threads and external M48 male threads, allowing you to attach accessories designed for the larger M48 standard—such as 2\" filter wheels or field flatteners—to a camera or T-ring that uses M42 T-threads.\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\u003eStepping Up M42 Threads to the M48 Format\u003c\/h3\u003e\n\u003cp\u003eThis adapter bridges the gap between the common M42 (T-thread) and M48 (2\" filter thread) standards found in astrophotography. By stepping up from M42 to M48, you can create a more robust connection to accessories that require a wider physical aperture to prevent vignetting on larger camera sensors. The integrated lip provides a hard stop, preventing the adapter from threading too deeply into a component and ensuring a secure, flush fit every time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\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 use for the Starizona M42 to M48 Step Ring?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIts main purpose is to allow an accessory with M48 female threads, such as a 2\" filter holder or a field flattener, to be connected to a camera, T-ring, or other component that has M42 male threads. It effectively \"steps up\" the thread size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the purpose of the lip on this Starizona M42 to M48 adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe lip acts as a physical stop. When you thread the adapter into a female port, the lip ensures it stops at a precise point, preventing it from being threaded too far in. This provides a secure connection and helps maintain consistent spacing in your imaging train.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow much length does the Starizona M42 to M48 Step Ring add to an optical train?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis is a low-profile step ring designed to add minimal length to your imaging setup.\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\u003eInner Thread\u003c\/td\u003e\n\u003ctd\u003eM42 Female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Thread\u003c\/td\u003e\n\u003ctd\u003eM48 Male\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\"\u003eStarizona M42 to M48 Step Ring with Lip\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\/starizona-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eStarizona Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Starizona","offers":[{"title":"Default Title","offer_id":68045004570909,"sku":"STZ-STEPL-M42-M48","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Starizona-M42-to-M48-Step-Ring-with-Lip-1_cdb6077b-269f-49b6-8844-2ffc8b8c979a.jpg?v=1794410543","url":"https:\/\/davidastro.com\/en-us\/products\/starizona-m42-to-m48-step-ring-with-lip","provider":"David Astro","version":"1.0","type":"link"}