{"product_id":"400-600mm-0-8x-r-f","title":"400-600mm 0.8x R\/F","description":"\u003cdiv class=\"pageSectionTitle\"\u003e\u003cstrong\u003eTV-76 and TV-85\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"pageSectionTitle\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003eModel TRF-2008 0.8x Reducer\/Flattener converts TV-85 to 480mm f\/5.6 and TV-76 to 380mm f\/5.0 for flat field, fast photography. Fully multi-coated 3-element unit with 48mm filter thread inserts directly into 2\" focuser, accepts standard T-Rings for 35mm cameras. \"This accessory is a must-have for someone planning to use the TV-85 photographically\" - review in Sky \u0026amp; Telescope, July 1999. Also it can be used with any 400-600mm doublet refractor.\u003c\/p\u003e\n\u003cp\u003eUse a spacing between top TRF-2008 flange and image sensor of 56mm +\/-2mm for best results. A standard T-Ring fitted on a DSLR or mirrorless camera will achieve the correct distance.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"TeleVue","offers":[{"title":"Default Title","offer_id":51374571716896,"sku":"TRF-2008","price":403.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/2135\/2480\/files\/TRF_2008_0.8xRFRef400_600copy.jpg?v=1774552921","url":"https:\/\/firstlightastro.com\/products\/400-600mm-0-8x-r-f","provider":"First Light Astro","version":"1.0","type":"link"}