{"product_id":"90fl-f4-astrograph-with-kasai-rp-focuser","title":"90FL F4 Astrograph with Kasai R\u0026P Focuser","description":"\u003cul\u003e\r\n \t\u003cli\u003e90mm Canon fluorite optics\u003c\/li\u003e\r\n \t\u003cli\u003eF4\/mm focal length\u003c\/li\u003e\r\n \t\u003cli\u003e6-element optical system\u003c\/li\u003e\r\n \t\u003cli\u003e2.2kg\u003c\/li\u003e\r\n \t\u003cli\u003e390mm\u003c\/li\u003e\r\n \t\u003cli\u003eBack focus : 60.0mm\u003c\/li\u003e\r\n \t\u003cli\u003eFully covers the full frame sensor\u003c\/li\u003e\r\n \t\u003cli\u003eEAF-installable\u003c\/li\u003e\r\n \t\u003cli\u003eConfiguration : 2591, 7138, 7801, Kasai R\u0026amp;P M57, 7352 \u0026amp; 7872\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343869092146,"sku":"90FLF4KF","price":2469.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/F4.jpg?v=1727243135","url":"https:\/\/a7ead1-f1.myshopify.com\/products\/90fl-f4-astrograph-with-kasai-rp-focuser","provider":"Astro Hutech","version":"1.0","type":"link"}