{"product_id":"starfield-60mm-guide-scope-helical-focuser-sfg-60nr","title":"Starfield 60mm Guide Scope Helical Focuser (SFG-60NR)","description":"\u003ch1\u003eStarfield 60mm Guide Scope Helical Focuser\u003c\/h1\u003e\n\u003cp\u003eImprove \u003cstrong\u003eguiding\u003c\/strong\u003e accuracy for \u003cstrong\u003eastrophotography\u003c\/strong\u003e and deep-sky \u003cstrong\u003eDSO imaging\u003c\/strong\u003e with the Starfield 60mm Guide Scope. Built for modern imaging rigs, it delivers a bright, wide field of view so you can lock onto guide stars faster and maintain stable tracking during long exposures. Whether you’re running a compact travel setup or a full-size imaging rig, this guide scope is a practical way to upgrade your \u003cstrong\u003eastronomy\u003c\/strong\u003e workflow.\u003c\/p\u003e\n\u003ch2\u003eBest For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuiding\u003c\/strong\u003e refractors and reflectors in the ~200–800 mm imaging focal length range\u003c\/li\u003e\n\u003cli\u003ePortable rigs where fast setup and reliable \u003cstrong\u003ePHD2 guiding\u003c\/strong\u003e matter\u003c\/li\u003e\n\u003cli\u003eDeep-sky \u003cstrong\u003eDSO imaging\u003c\/strong\u003e (nebulae, galaxies, clusters) with longer sub-exposures\u003c\/li\u003e\n\u003cli\u003eWide-field guide star acquisition in sparse regions of the sky\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWide-Field Optics for Faster Guide Star Acquisition\u003c\/h2\u003e\n\u003cp\u003eWith a \u003cstrong\u003e228 mm focal length\u003c\/strong\u003e and multi-coated optics, the Starfield 60mm Guide Scope provides a generous field of view that makes it easier to find a usable guide star quickly. This is especially helpful when you’re framing DSOs where the guide-star options can be limited. Less hunting means more time collecting data.\u003c\/p\u003e\n\u003ch2\u003eSmooth 2\" Helical Focuser for Precise Guiding Focus\u003c\/h2\u003e\n\u003cp\u003eThe integrated \u003cstrong\u003e2\" helical focuser\u003c\/strong\u003e offers fine, controlled focusing for tight guide stars—ideal for consistent \u003cstrong\u003ePHD2 guiding\u003c\/strong\u003e performance. A \u003cstrong\u003ebrass compression ring\u003c\/strong\u003e secures your camera or accessories evenly and helps avoid marring barrels. Included is a \u003cstrong\u003e2\"\/1.25\" adapter\u003c\/strong\u003e with a brass compression ring and a \u003cstrong\u003e2\" filter thread\u003c\/strong\u003e, giving you flexible compatibility for common astrophotography guiding setups.\u003c\/p\u003e\n\u003ch2\u003eMounting Compatibility: Synta\/Vixen-Style Finder Shoe Universal Base\u003c\/h2\u003e\n\u003cp\u003eThis guide scope includes a \u003cstrong\u003efinder bracket and universal base\u003c\/strong\u003e that matches the common \u003cstrong\u003eSynta\/Vixen-style\u003c\/strong\u003e finder shoe standard used by many telescope and mount manufacturers. It’s a clean, secure way to add guiding without unnecessary bulk or complicated hardware.\u003c\/p\u003e\n\u003ch2\u003eRecommended Guide Cameras \u0026amp; Sensor Notes\u003c\/h2\u003e\n\u003cp\u003eA great match is the \u003cstrong\u003eZWO ASI220\u003c\/strong\u003e (or a similar sensor class), which pairs well with the focal length and field of view of this guide scope for dependable guiding. \u003cstrong\u003eLarger guide camera sensors\u003c\/strong\u003e will also perform exceptionally well and can make guide star selection even easier—especially when imaging DSOs where star density varies.\u003c\/p\u003e\n\u003ch2\u003eImportant Note: Rotating Focuser \u0026amp; PHD2 Calibration\u003c\/h2\u003e\n\u003cp\u003eThis guide scope \u003cstrong\u003edoes not\u003c\/strong\u003e have a non-rotating focuser. The helical focuser assembly can rotate, and that can rotate the guide camera orientation. If the guide camera rotates, your guiding calibration in \u003cstrong\u003ePHD2\u003c\/strong\u003e (or similar guiding software) will need to be redone for best performance.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube Diameter:\u003c\/strong\u003e 63 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength incl. Focuser:\u003c\/strong\u003e 257 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptics:\u003c\/strong\u003e Multicoated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocal Length:\u003c\/strong\u003e 228 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocuser:\u003c\/strong\u003e 2\" Helical Focuser with Brass Compression Ring (rotating helical assembly)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdapter:\u003c\/strong\u003e 2\"\/1.25\" with Brass Compression Ring and 2\" Filterthread\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight (Finder w\/o Bracket, 2\"):\u003c\/strong\u003e 17.1 oz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight (Finder w\/o Bracket, 1 1\/4\"):\u003c\/strong\u003e 20.8 oz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight (Bracket):\u003c\/strong\u003e 12.4 oz.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFinderscope 60 mm\u003c\/li\u003e\n\u003cli\u003eFinderbracket with Universal base (Synta\/Vixen-style finder shoe compatible)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"x-el x-el-span c1-7c c1-7d c1-b c1-c c1-d c1-e c1-f c1-g\"\u003eWarranty \u0026amp; Manual\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"x-el x-el-span c1-7c c1-7d c1-b c1-c c1-d c1-e c1-f c1-g\"\u003e\u003cspan\u003eStarfield Limited Warranty\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch4\u003eDoes this guide scope have a non-rotating focuser?\u003c\/h4\u003e\n\u003cp\u003eNo. This model uses a \u003cstrong\u003erotating 2\" helical focuser assembly\u003c\/strong\u003e. As you focus—or if you rotate the camera for framing—the guide camera orientation may rotate.\u003c\/p\u003e\n\u003ch4\u003eIf my guide camera rotates, do I need to recalibrate guiding?\u003c\/h4\u003e\n\u003cp\u003eYes. Any rotation changes the camera’s orientation relative to the mount axes. For accurate tracking, you should \u003cstrong\u003eredo your calibration in PHD2\u003c\/strong\u003e (or your preferred guiding software) after any camera rotation.\u003c\/p\u003e\n\u003ch4\u003eIs recalibrating good practice even if nothing rotated?\u003c\/h4\u003e\n\u003cp\u003eYes—recalibrating before a new imaging session is a smart best practice for consistent results. It helps ensure dependable \u003cstrong\u003ePHD2 guiding\u003c\/strong\u003e performance, even if your rig configuration looks unchanged.\u003c\/p\u003e\n\u003ch4\u003eWhat mounting standard does the universal base fit?\u003c\/h4\u003e\n\u003cp\u003eThe included universal base matches the common \u003cstrong\u003eSynta\/Vixen-style finder shoe\u003c\/strong\u003e used by many telescope and mount manufacturers.\u003c\/p\u003e\n\u003ch4\u003eWhat guide camera do you recommend?\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI220\u003c\/strong\u003e (or a similar sensor class) is an excellent pairing. Larger guide camera sensors will also perform exceptionally well and can make guide star selection easier when you’re guiding for deep-sky astrophotography and DSO imaging.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Starfield","offers":[{"title":"Default Title","offer_id":46492147023969,"sku":"rtg1787938053802","price":85.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0580\/3933\/7057\/files\/starfield-60mm-guide-scope-helical-focuser-sfg-60nr_1.png?v=1787938058","url":"https:\/\/www.sunlitharbor.shop\/products\/starfield-60mm-guide-scope-helical-focuser-sfg-60nr","provider":"My Store","version":"1.0","type":"link"}