{"product_id":"william-optics-guidestar-61","title":"William Optics GuideStar 61","description":"\u003cp\u003eDesigned exclusively for high-quality imaging and precision guiding. Featuring the acclaimed FPL53 ED doublet lens, identical to that in the Zenithstar 61, this telescope ensures sharp, high-contrast images with virtually no false color, making every capture exceptionally clear.\u003c\/p\u003e\n\u003cp\u003eThe GuideStar 61 boasts a lightweight optical tube for enhanced portability, coupled with a practical draw-tube (push-pull) focuser and rotating lens assembly for meticulous focusing. Ideal for serious astrophotographers, it supports a variety of setups with options like the Adjustable Flattener for ZS61 and a new 0.8x Reducer\/Flattener, optimizing it for detailed wide-field imaging.\u003c\/p\u003e\n\u003cp\u003eConstructed with precision from CNC machined aluminum, the GuideStar 61 offers a robust yet elegant design. It comes equipped with a Vixen\/Synta-style finder dovetail rail for easy attachment of finder scopes, and a soft carry case for protection on the go.\u003c\/p\u003e\n\u003cp\u003eWhether used as a guide scope or a portable imaging telescope, the GuideStar 61 is a crucial tool for any astrophotographer looking to enhance their night sky observations.\u003c\/p\u003e\n\u003cdiv class=\"static-tabs__nav\"\u003e\u003cstrong\u003e\u003clabel class=\"static-tabs__tab-label h5\" for=\"tab-trigger-static_tab_item_6iKGhz\"\u003eSpecification; \u003c\/label\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"static-tabs__content-wrapper\"\u003e\n\u003cdiv id=\"content-static_tab_item_6iKGhz\" class=\"static-tabs__content prose\"\u003e\n\u003cdiv class=\"definition specification\"\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eLens Type\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eDoublet APO Prime Lens\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eFocal Length\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003e360 mm\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003e61 mm\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eFocal Ratio\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003ef\/5.9\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eImage Circle\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003e42 mm\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eFocuser\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003e\u003cspan\u003eThreaded Focuser\u003c\/span\u003e\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eAdapter Included\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003e\u003cspan\u003eM54 → 2\" Visual Back\u003c\/span\u003e\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eOptional Flattener\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003e\n\u003cspan\u003eFLAT 61A 1.0x\u003c\/span\u003e \u003cspan\u003eFLAT 61R 0.8x\u003c\/span\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCamera Format\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003e\n\u003cspan\u003eFull Frame\u003c\/span\u003e \u003cspan\u003eAPS-C\u003c\/span\u003e \u003cspan\u003eM4\/3\u003c\/span\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDovetail Type\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eVixen ↔︎ Arca-Swiss\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eTube Length\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003e340 mm\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eTotal Weight\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003e1.44 kg \/ 3.17 lbs\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"William Optics","offers":[{"title":"Red","offer_id":54129197121850,"sku":null,"price":43800.0,"currency_code":"INR","in_stock":false},{"title":"Gold","offer_id":54129197154618,"sku":null,"price":43800.0,"currency_code":"INR","in_stock":false},{"title":"Blue","offer_id":54129197187386,"sku":null,"price":43800.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0691\/1456\/0826\/files\/x1.jpg?v=1790315113","url":"https:\/\/edisla.in\/products\/william-optics-guidestar-61","provider":"EDISLA","version":"1.0","type":"link"}