{"product_id":"multi-reducer-0-85x-m-medium","title":"Multi-Reducer 0.85X-M (Medium)","description":"\u003cp\u003e\u003c\/p\u003e\n\u003cp data-start=\"1930\" data-end=\"2352\"\u003e\u003cstrong data-start=\"1930\" data-end=\"1984\"\u003eBalanced Performance for FCT-65D and FC-50 Systems\u003c\/strong\u003e\u003cbr data-start=\"1984\" data-end=\"1987\"\u003eThe Multi Reducer 0.85×-M brings Takahashi’s renowned optical precision to the mid-range fluorite class. Designed for the FCT-65D and the discontinued FC-50, this reducer shortens the focal length to 340 mm, achieving a bright, flat, and sharply corrected field across a 44 mm image circle. Aberrations are minimized for professional-grade astrophotography results.\u003c\/p\u003e\n\u003cp data-start=\"2354\" data-end=\"2540\"\u003ePositioned between the FU Reducer 0.65× and the FC\/FS Multi Flattener 1.04×, the 0.85×-M gives imagers flexible options to tailor focal length and field of view for any celestial target.\u003c\/p\u003e\n\u003cp data-start=\"2542\" data-end=\"2564\"\u003e\u003cstrong data-start=\"2542\" data-end=\"2564\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2565\" data-end=\"3015\"\u003e\n\u003cli data-start=\"2565\" data-end=\"2605\"\u003e\n\u003cp data-start=\"2567\" data-end=\"2605\"\u003eOptical Design: 3 groups, 4 elements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2606\" data-end=\"2659\"\u003e\n\u003cp data-start=\"2608\" data-end=\"2659\"\u003eCompatible Models: FCT-65D \/ FC-50 (discontinued)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2660\" data-end=\"2687\"\u003e\n\u003cp data-start=\"2662\" data-end=\"2687\"\u003eReduction Factor: 0.85×\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2688\" data-end=\"2778\"\u003e\n\u003cp data-start=\"2690\" data-end=\"2778\"\u003eEffective Focal Lengths:\u003cbr data-start=\"2714\" data-end=\"2717\"\u003e• FCT-65D — 340 mm (f\/5.2)\u003cbr data-start=\"2746\" data-end=\"2749\"\u003e• FC-50 — 340 mm (f\/6.8)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2779\" data-end=\"2827\"\u003e\n\u003cp data-start=\"2781\" data-end=\"2827\"\u003eImage Circle: φ44 mm (full-frame compatible)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2828\" data-end=\"2867\"\u003e\n\u003cp data-start=\"2830\" data-end=\"2867\"\u003eTelescope-Side Thread: M55.9 × 0.75\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2868\" data-end=\"2902\"\u003e\n\u003cp data-start=\"2870\" data-end=\"2902\"\u003eCamera-Side Thread: M52 × 0.75\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2903\" data-end=\"2942\"\u003e\n\u003cp data-start=\"2905\" data-end=\"2942\"\u003eDimensions (Ø × L): 60 mm × 54.7 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2943\" data-end=\"2962\"\u003e\n\u003cp data-start=\"2945\" data-end=\"2962\"\u003eWeight: ~0.2 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2963\" data-end=\"3015\"\u003e\n\u003cp data-start=\"2965\" data-end=\"3015\"\u003eIncludes dedicated CA ring for FCT-65D and FC-50\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TAKAHASHI","offers":[{"title":"Default Title","offer_id":44907898929324,"sku":"TKA00580M","price":479.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/8073\/3868\/files\/e0bee744-85d0-43f6-8e69-6c9b5c8de7f4.png?v=1761842939","url":"https:\/\/landseaskyco.com\/products\/multi-reducer-0-85x-m-medium","provider":"Land Sea \u0026 Sky","version":"1.0","type":"link"}