{"product_id":"telescope-eyepieces-sean-g-ryan-9781041132547","title":"Telescope Eyepieces: Optical Theory and Design","description":"\u003cp\u003e\u003cb\u003eTelescope Eyepieces: Optical Theory and Design\u003c\/b\u003e explores the wide range of eyepiece designs. It introduces optics theory progressively to build understanding of how lenses control light in an optical system generally and in eyepieces specifically, linking optics fundamentals, design evolution and the implications for image quality.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Sean G. Ryan\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 1041132549\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9781041132547\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e CRC Press\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 11\/28\/2025\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 202\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.70lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.21h x 6.14w x 0.47d","brand":"Sean G. Ryan","offers":[{"title":"Paperback","offer_id":47930564903167,"sku":"9781041132547","price":56.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_707722db-c26e-4f78-b804-db79182c01f4.jpg?v=1766342676","url":"https:\/\/www.whiterainbookhouse.com\/products\/telescope-eyepieces-sean-g-ryan-9781041132547","provider":"WR Book House","version":"1.0","type":"link"}