{"product_id":"sky-watcher-0-77x-reducer-flattener-for-esprit-150-s20215","title":"Sky-Watcher 0.77x Reducer\/Flattener for Esprit 150 (S20215)","description":"\u003ch2 class=\"product-title\"\u003eSky-Watcher 0.77x Reducer\/Flattener for Esprit 150\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e36mm fully illuminated field, compatible with both APS-C and full frame sensors\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e90mm back-focus (55mm when back focus spacer and M48 ring installed)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDrops f\/ratio from native f\/7 (1050mm) to f\/5.4 (810mm)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eReduces exposure time by 68% compared to native f\/7\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e2.54 x 1.7-degree field of view when used with a full frame camera\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e1.66 x 1.11-degree field of view when used with APS-C crop sensor \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes reducer, metal thread-on caps, back focus spacer and M48 thread adapter\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBuilt-in 2\" filter cell for mounting filters into the light path\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv data-pdp-tab-content=\"description\" class=\"pdp-content-description rte active\"\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cp\u003eSky-Watcher 0.77x Reducer\/Flattener for Esprit 150\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eWarranty \u0026amp; Manuals\u003c\/h3\u003e\n\u003cp\u003eSky-Watcher 2-Year Warranty\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":43125834875109,"sku":"SW-S20215","price":730.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/sky-watcher-0-77x-reducerflattener-for-esprit-150-s20215-astronomy-plus_b158637b-edc4-4e31-a1b0-9a98a1cd799e.jpg?v=1690487172","url":"https:\/\/istronomyplus.com\/products\/sky-watcher-0-77x-reducer-flattener-for-esprit-150-s20215","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}