{"product_id":"multi-reducer-0-85x-s-short","title":"Multi-Reducer 0.85X-S (Short)","description":"\u003cp\u003e\u003cstrong data-start=\"573\" data-end=\"619\"\u003eSharper Stars for Small-Aperture Fluorites\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"573\" data-end=\"1032\"\u003eThe Takahashi Multi Reducer 0.85×-S is a high-precision, 3-group, 4-element optical reducer designed specifically for the FS-60C series. Engineered to deliver coma-free, full-frame coverage, this reducer shortens the focal length from 355 mm to 300 mm (f\/5.9 → f\/5.0) while maintaining outstanding illumination across the field. The result: beautifully round, pinpoint stars and crisp detail from edge to edge.\u003c\/p\u003e\n\u003cp data-start=\"1034\" data-end=\"1288\"\u003eOptimized for telescopes with small focusers, the Multi Reducer 0.85×-S is the first full-frame-compatible reducer for Takahashi’s compact fluorite systems — ideal for capturing large nebulae and open clusters with stunning uniformity and color fidelity.\u003c\/p\u003e\n\u003cp data-start=\"1290\" data-end=\"1312\"\u003e\u003cstrong data-start=\"1290\" data-end=\"1312\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1313\" data-end=\"1727\"\u003e\n\u003cli data-start=\"1313\" data-end=\"1353\"\u003e\n\u003cp data-start=\"1315\" data-end=\"1353\"\u003eOptical Design: 3 groups, 4 elements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1354\" data-end=\"1423\"\u003e\n\u003cp data-start=\"1356\" data-end=\"1423\"\u003eCompatible Models: FS-60CB \/ FS-60CP \/ FS-60CBX \/ FS-60C \/ FS-60Q\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1424\" data-end=\"1451\"\u003e\n\u003cp data-start=\"1426\" data-end=\"1451\"\u003eReduction Factor: 0.85×\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1452\" data-end=\"1494\"\u003e\n\u003cp data-start=\"1454\" data-end=\"1494\"\u003eEffective Focal Length: 300 mm (f\/5.0)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1495\" data-end=\"1543\"\u003e\n\u003cp data-start=\"1497\" data-end=\"1543\"\u003eImage Circle: φ44 mm (full-frame compatible)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1544\" data-end=\"1583\"\u003e\n\u003cp data-start=\"1546\" data-end=\"1583\"\u003eTelescope-Side Thread: M55.9 × 0.75\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1584\" data-end=\"1618\"\u003e\n\u003cp data-start=\"1586\" data-end=\"1618\"\u003eCamera-Side Thread: M52 × 0.75\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1619\" data-end=\"1658\"\u003e\n\u003cp data-start=\"1621\" data-end=\"1658\"\u003eDimensions (Ø × L): 60 mm × 55.8 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1659\" data-end=\"1678\"\u003e\n\u003cp data-start=\"1661\" data-end=\"1678\"\u003eWeight: ~0.2 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1679\" data-end=\"1727\"\u003e\n\u003cp data-start=\"1681\" data-end=\"1727\"\u003eIncludes a dedicated CA ring for FS-60C series\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote data-start=\"1729\" data-end=\"1871\"\u003e\n\u003cp data-start=\"1731\" data-end=\"1871\"\u003e\u003cem data-start=\"1731\" data-end=\"1871\"\u003eNote: When used with the discontinued FS-60C, the Camera Angle Adjuster S cannot be used simultaneously due to focus-position constraints.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"TAKAHASHI","offers":[{"title":"Default Title","offer_id":44907890081964,"sku":"TKA00580S","price":479.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/8073\/3868\/files\/ad69de30-8d38-46e6-9496-0158b996b01b.png?v=1761842778","url":"https:\/\/landseaskyco.com\/products\/multi-reducer-0-85x-s-short","provider":"Land Sea \u0026 Sky","version":"1.0","type":"link"}