{"product_id":"starizona-rasa-8-filter-holder-m54-version-two-part-adapter","title":"Starizona RASA 8 Filter Holder - M54 Threads","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eEnables use of 2\" mounted filters on the RASA 8\" telescope\u003c\/li\u003e\n\u003cli\u003eDesigned for cameras with M54 threads\u003c\/li\u003e\n\u003cli\u003eMaintains a precise 17.5mm backfocus distance\u003c\/li\u003e\n\u003cli\u003eReplaces the RASA's stock camera adapter flange\u003c\/li\u003e\n\u003cli\u003eIncludes slots for access to RASA collimation screws\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\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\u003eRASA 8 Filter Holder - M54 Threads\u003c\/h2\u003e\n\u003cp\u003eThe RASA 8 Filter Holder integrates standard 2\" mounted filters into the optical path of a Celestron RASA 8\" telescope, designed specifically for cameras with M54 threads requiring exactly 17.5mm of backfocus. This adapter allows imagers using cameras like the ZWO ASI2600 Duo to seamlessly add filtration to their RASA 8 setup without altering the critical backfocus distance.\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\u003eAdd 2\" Filters to a RASA 8 with M54 Cameras\u003c\/h3\u003e\n\u003cp\u003eThis two-part adapter is engineered to replace the RASA 8's factory-installed optical window and standard camera adapter flange. Installation involves removing the original window, placing a standard 2\" mounted filter into the holder, and then securing the holder to the RASA using the telescope's stock lock ring. The design thoughtfully includes access slots, ensuring you can still reach the RASA's collimation screws for fine-tuning optical alignment after the holder is installed.\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 kind of camera is the RASA 8 Filter Holder designed for?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis RASA 8 Filter Holder is specifically for cameras that use \u003cstrong\u003eM54 threads\u003c\/strong\u003e for connection and have a \u003cstrong\u003e17.5mm backfocus\u003c\/strong\u003e requirement. The ZWO ASI2600 Duo is given as an example of a compatible camera.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I install the RASA 8 Filter Holder?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTo install the holder, you must first remove the optical window that comes with the RASA 8. Then, you install your 2\" mounted filter into the holder. The holder assembly then replaces the RASA's standard camera adapter and is secured using the original lock ring that came with your telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I still collimate my RASA 8 with the filter holder attached?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The RASA 8 Filter Holder includes slots in its design that allow you to access the collimation screws on the RASA's front lens group, even when the holder and camera are installed.\u003c\/p\u003e\n\u003c\/div\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":68033924137245,"sku":"STZ-FH-RASA8-M54","price":126.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Starizona-RASA-8-Filter-Holder-M54-Threads-1_7ca98da8-4875-4466-b0a0-5bb625b6eb86.jpg?v=1794375610","url":"https:\/\/davidastro.com\/products\/starizona-rasa-8-filter-holder-m54-version-two-part-adapter","provider":"David Astro","version":"1.0","type":"link"}