{"product_id":"optec-lepus-0-62x-telecompressor-m54","title":"OPTEC LEPUS 0.62x TELECOMPRESSOR - M54","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eOptec Lepus 0.62x Telecompressor \u003c\/strong\u003eis a \u003cstrong\u003e4-element universal focal reducer\u003c\/strong\u003e for many different telescopes which have 2\" focusers. This set includes an \u003cstrong\u003eM54 x 0.75 male camera adapter\u003c\/strong\u003e, allowing a variety of imaging trains to be easily connected.\u003c\/p\u003e\n\u003cp\u003eThe Lepus pairs particularly well with \u003cstrong\u003eMeade ACF f\/10 \u0026amp; f\/8\u003c\/strong\u003e coma-free Schmidt-Cassegrain telescopes as well as the \u003cstrong\u003eCelestron EdgeHD\u003c\/strong\u003e series for \u003cstrong\u003edeep sky astrophotography\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe Lepus provides a well-corrected field up to \u003cstrong\u003e28mm\u003c\/strong\u003e in diameter, making it suitable for use with APS-C sensors and smaller. The Lepus can deliver a \u003cstrong\u003evignetting-free image circle up to 22mm\u003c\/strong\u003e, with minimal light fall off above that. Flat-field calibration is recommended for larger sensors.\u003c\/p\u003e\n\u003cp\u003eWith a \u003cstrong\u003etypical backfocus spacing of 100mm \u003c\/strong\u003ewith most telescopes, the Lepus can be used with a wide range of imaging train configurations. The reducer includes a 2\" barrel which has an internal M48 x 0.75 thread for 2\" filters. The optical thickness of the M54 adapter is \u003cstrong\u003e50mm\u003c\/strong\u003e, leaving 55mm to make up to the sensor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote: It is not recommended to use the Lepus with Ritchey-Chretien telescopes.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/Lepus_adapter_example_800.jpg?v=1678413321\" alt=\"\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003eExample showing the Lepus reducer in combination with camera adapter connected directly to a T-ring (T-ring and camera sold separately).\u003c\/em\u003e\u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable class=\"specificationTable\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eTelescope side connection\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd\u003e2\" barrel with 2\" filter thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eCamera side connection\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd\u003eOptec dovetail, M54 x 0.75 Male camera adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eBackfocus distance\u003c\/th\u003e\n\u003ctd\u003e100 mm from last lens surface (105 mm from rear flange), 55 mm from M54 adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eReduction factor\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd\u003e0.62 x\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eCorrected field\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd\u003e28 mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eOP-19407+19387\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Testar Australia","offers":[{"title":"Default Title","offer_id":48462311293153,"sku":"OP-19407+19387","price":749.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/Lepus_M54_1000.jpg?v=1781055083","url":"https:\/\/www.testar.com.au\/products\/optec-lepus-0-62x-telecompressor-m54","provider":"Testar Australia","version":"1.0","type":"link"}