{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Lenses in photography;: The practical guide to optics for photographers","author_name":"Rudolf Kingslake","thumbnail_url":"https://www.ebooknetworking.net/books/B00/07D/bigB0007DS9F8.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0007DS9F8.html\">Lenses in photography;: The practical guide to optics for photographers</a>","width":400,"height":300}