{"product_id":"starizona-m42-to-m54-step-ring-with-lip","title":"Starizona M42 to M54 Step Ring with Lip","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAdapts M42 Female Threads to M54 Male Threads\u003c\/li\u003e\n\u003cli\u003eProvides a Standardized Connection for Imaging Components\u003c\/li\u003e\n\u003cli\u003eMachined Lip Ensures a Solid, Flat Seating Surface\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 M54 Step Ring with Lip\u003c\/h2\u003e\n\u003cp\u003eThe Starizona M42 to M54 Step Ring is a fundamental component for building a stable and versatile imaging train, adapting smaller M42 format accessories to larger M54 threaded components. This adapter features M42 female threads on the inside and M54 male threads on the outside, allowing you to bridge the gap between different equipment standards. The integrated lip provides a secure, flush seating surface against the next component in your optical path, ensuring proper alignment.\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\u003eConnecting M42 Accessories to an M54 Image Train\u003c\/h3\u003e\n\u003cp\u003eIn astrophotography, a common challenge is connecting accessories that use the T-thread (M42) standard to larger correctors, flatteners, or focusers that utilize the M54 thread size. This step ring solves that problem directly. By threading it onto your M42 accessory, you convert its connection to a male M54 thread, ready to integrate into a larger-format imaging system. This is essential for maintaining a rigid, threaded connection throughout your entire setup, which is critical for preventing flexure and tilt that can degrade image quality.\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 M54 Step Ring?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIts primary function is to connect an accessory with male M42 threads (like a filter wheel or camera nosepiece) to a component that requires a female M54 connection, such as a field flattener or focuser drawtube. It \"steps up\" the smaller thread size to the larger one.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does the 'lip' on the Starizona M42 to M54 Step Ring do?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe lip provides a solid, flat contact surface when the adapter is threaded into another component. This ensures the adapter seats squarely and securely, which helps maintain optical alignment and prevents it from threading too deeply into the female port.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I know if the Starizona M42 to M54 Step Ring is the right adapter for my setup?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou need this adapter if you have a component ending in male M42 threads that you need to connect to a component with female M54 threads. Always verify the thread specifications of your equipment to ensure compatibility. This adapter provides an M42 female to M54 male connection.\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\u003eM54 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 M54 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":68045004865821,"sku":"STZ-STEPL-M42-M54","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Starizona-M42-to-M54-Step-Ring-with-Lip-1_8d455c81-1c93-4bf0-95ca-1659bbfc4f8a.jpg?v=1794410543","url":"https:\/\/davidastro.com\/en-us\/products\/starizona-m42-to-m54-step-ring-with-lip","provider":"David Astro","version":"1.0","type":"link"}