{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Lens Design Fundamentals, Second Edition","author_name":"Rudolf Kingslake, R. Barry Johnson","thumbnail_url":"https://www.ebooknetworking.net/books/012/374/big012374301X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-012374301X.html\">Lens Design Fundamentals, Second Edition</a>","width":400,"height":300}