{"product_id":"pegasus-astro-helical-focuser-for-indigo-oag","title":"Pegasus Astro Helical Focuser for Indigo OAG","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eEnables precise guide camera focus for the Indigo OAG\u003c\/li\u003e\n\u003cli\u003eAccepts standard 1.25\" format guide cameras\u003c\/li\u003e\n\u003cli\u003eSmooth, non-rotating helical mechanism\u003c\/li\u003e\n\u003cli\u003eCan be used as a standalone focuser for custom projects\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\u003eDownloads\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\u003eHelical Focuser for Indigo OAG\u003c\/h2\u003e\n\u003cp\u003eThe Pegasus Astro Helical Focuser for Indigo OAG provides the critical, fine-focus adjustment needed to achieve perfectly sharp guide stars with any 1.25-inch format guiding camera.\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\u003eIndigo OAG Integration: Achieve Pinpoint Stars with 1.25\" Guide Cameras\u003c\/h3\u003e\n\u003cp\u003eThis helical focuser is the official companion to the Pegasus Astro Indigo OAG, allowing you to make precise, independent focus adjustments to your guide camera. This is essential for making the guide camera parfocal with your main imaging camera, ensuring your autoguiding system tracks on the tightest, most point-like stars possible. The smooth helical mechanism allows for minute adjustments without backlash, locking in your focus for an entire imaging session.\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\u003eStandalone Versatility: A Compact 1.25\" Helical Focuser for Custom Setups\u003c\/h3\u003e\n\u003cp\u003eBeyond its primary role with the Indigo OAG, this unit functions as a capable standalone helical focuser. Its compact design makes it an ideal solution for custom-built guide scopes, finder scopes, or any optical train where you need to add fine focus control for a 1.25\" accessory. If you need to add precise, manual focus to a project, this component provides a simple and effective mechanical solution.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\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 main purpose of the Helical Focuser for Indigo OAG?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIts primary purpose is to allow for precise, independent focusing of a 1.25\" guide camera when used with the Pegasus Astro Indigo Off-Axis Guider (OAG). This ensures your guide stars are as sharp as possible for accurate tracking.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does this Helical Focuser improve autoguiding with the Indigo OAG?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAutoguiding software works best with small, round, bright stars. By allowing you to achieve critical focus on the guide sensor, which may have a different focal point than your main camera, the focuser provides the software with a much better star profile to track. This leads to fewer lost stars and more accurate corrections, resulting in sharper final images.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need this focuser to use the Indigo OAG?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile the Indigo OAG can hold a guide camera without it, this helical focuser is highly recommended. Without it, achieving precise focus on the guide camera is extremely difficult, which can significantly compromise guiding performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Helical Focuser with a guide camera other than a 1.25\" model?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this focuser is designed specifically for astronomy cameras and accessories that use a standard 1.25\" nosepiece or barrel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow would I use the Helical Focuser as a standalone device with my 8\" SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAs a standalone device, you could integrate it into a custom guide scope or finder scope setup. For example, you could attach it to a small refractor mounted on your 8\" SCT, turning that smaller scope into a guide scope with its own fine-focus capability for a 1.25\" guide camera.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this Helical Focuser help me get sharper stars on long exposures of the Andromeda Galaxy (M31)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, indirectly. By allowing your autoguiding system to track more accurately, it reduces tracking errors during long exposures. This prevents star trails and elongation, resulting in pinpoint stars across your image of large targets like the Andromeda Galaxy (M31).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003ePegasus Astro Indigo OAG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessory Fit\u003c\/td\u003e\n\u003ctd\u003e1.25\" Guide Cameras \/ Eyepieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eManual Helical Focusing\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\"\u003eHelical Focuser for Indigo OAG\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\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/pegasusastro.com\/download\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\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":52686362181917,"sku":"PEG-INDIGO-OAGHF","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/pegasus-astro-helical-focuser-for-indigo-oag-1.png?v=1793649427","url":"https:\/\/davidastro.com\/en-us\/products\/pegasus-astro-helical-focuser-for-indigo-oag","provider":"David Astro","version":"1.0","type":"link"}