{"product_id":"refurbished-fluorostar-91","title":"[Refurbished] Fluorostar 91","description":"\u003cp\u003e\u003cstrong data-start=\"47\" data-end=\"56\"\u003eFLT91\u003c\/strong\u003e 為專業天文攝影與觀測玩家打造，採用 \u003cstrong data-start=\"75\" data-end=\"103\"\u003e高精度三片式消色差鏡組（APO Triplet）\u003c\/strong\u003e，搭載 \u003cstrong data-start=\"107\" data-end=\"133\"\u003e日本 Ohara FPL-53 超低色散玻璃\u003c\/strong\u003e，提供極高的影像對比與銳利度，Strehl Ratio 超過 \u003cstrong data-start=\"164\" data-end=\"172\"\u003e0.95\u003c\/strong\u003e，展現頂尖光學表現。\u003c\/p\u003e\n\u003cp data-start=\"191\" data-end=\"207\"\u003e\u003cstrong data-start=\"195\" data-end=\"205\"\u003e卓越光學性能\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"208\" data-end=\"335\"\u003e\n\u003cli data-start=\"208\" data-end=\"267\"\u003e\u003cstrong data-start=\"210\" data-end=\"231\"\u003e91mm 口徑三片式 APO 鏡組\u003c\/strong\u003e，以 FPL-53 超低色散玻璃打造，呈現極致清晰、色彩精準的影像。\u003c\/li\u003e\n\u003cli data-start=\"268\" data-end=\"298\"\u003e高對比與高解析力設計，完美捕捉行星、星雲與深空細節。\u003c\/li\u003e\n\u003cli data-start=\"299\" data-end=\"335\"\u003eStrehl Ratio \u0026gt; 0.95，確保近乎完美的光學精度。\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"342\" data-end=\"362\"\u003e\u003cstrong data-start=\"346\" data-end=\"360\"\u003e以使用者為中心的設計\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"363\" data-end=\"552\"\u003e\n\u003cli data-start=\"363\" data-end=\"409\"\u003e配備 \u003cstrong data-start=\"368\" data-end=\"395\"\u003e整合式導星手把座（saddle handle）\u003c\/strong\u003e，便於攜帶與導星鏡安裝。\u003c\/li\u003e\n\u003cli data-start=\"410\" data-end=\"458\"\u003e\u003cstrong data-start=\"412\" data-end=\"443\"\u003e360° 可旋式攝影接環（field rotator）\u003c\/strong\u003e，方便構圖與拍攝角度調整。\u003c\/li\u003e\n\u003cli data-start=\"459\" data-end=\"507\"\u003e\u003cstrong data-start=\"461\" data-end=\"494\"\u003e3.3 吋雙速齒條齒輪式對焦系統（R\u0026amp;P Focuser）\u003c\/strong\u003e，操作順暢、穩定精準。\u003c\/li\u003e\n\u003cli data-start=\"508\" data-end=\"552\"\u003e\u003cstrong data-start=\"510\" data-end=\"531\"\u003e2 吋 RotoLock 快鎖系統\u003c\/strong\u003e，快速固定相機或目鏡，安全穩固不偏心。\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"559\" data-end=\"577\"\u003e\u003cstrong data-start=\"563\" data-end=\"575\"\u003e專為天文攝影優化\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"578\" data-end=\"710\"\u003e\n\u003cli data-start=\"578\" data-end=\"625\"\u003e內建 \u003cstrong data-start=\"583\" data-end=\"612\"\u003e專利內建式魚骨對焦罩（Bahtinov Mask）\u003c\/strong\u003e，可快速達成精準對焦。\u003c\/li\u003e\n\u003cli data-start=\"626\" data-end=\"680\"\u003e相容多款平場修正鏡：\u003cstrong data-start=\"638\" data-end=\"677\"\u003eFlat 6AIII、Flat 68III、Ultra Flat 91\u003c\/strong\u003e。\u003c\/li\u003e\n\u003cli data-start=\"681\" data-end=\"710\"\u003e支援 \u003cstrong data-start=\"686\" data-end=\"697\"\u003e精密後焦距調整\u003c\/strong\u003e，確保最佳像場平整度。\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"717\" data-end=\"736\"\u003e\u003cstrong data-start=\"721\" data-end=\"734\"\u003e堅固輕巧的結構設計\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"737\" data-end=\"842\"\u003e\n\u003cli data-start=\"737\" data-end=\"767\"\u003e採用 \u003cstrong data-start=\"742\" data-end=\"755\"\u003eCNC 鋁合金鏡筒\u003c\/strong\u003e，兼具強度與輕量化。\u003c\/li\u003e\n\u003cli data-start=\"768\" data-end=\"812\"\u003e鏡身重 \u003cstrong data-start=\"774\" data-end=\"784\"\u003e4.2 kg\u003c\/strong\u003e，全套配件（含導軌與手把）僅 \u003cstrong data-start=\"799\" data-end=\"809\"\u003e5.6 kg\u003c\/strong\u003e。\u003c\/li\u003e\n\u003cli data-start=\"813\" data-end=\"842\"\u003e隨附 \u003cstrong data-start=\"818\" data-end=\"827\"\u003e軟式攜行包\u003c\/strong\u003e，方便外出觀測與安全保護。\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"William Optics","offers":[{"title":"經典紅","offer_id":48803863953625,"sku":"T-FLT-91RD-RP33-Refurbished","price":1998.0,"currency_code":"USD","in_stock":false},{"title":"耀光金","offer_id":48803863986393,"sku":"T-FLT-91GD-RP33-Refurbished","price":1998.0,"currency_code":"USD","in_stock":false},{"title":"太空灰","offer_id":48803864019161,"sku":"T-FLT-91SG-RP33-Refurbished","price":1488.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/5752\/3673\/files\/FLT-91-EX-TG-pers-1.jpg?v=1731378998","url":"https:\/\/tw.williamoptics.com\/products\/refurbished-fluorostar-91","provider":"William Optics","version":"1.0","type":"link"}