Weston, Christopher Mastering filters for photography : professional photography techniques for innovative images / Filters for photography Chris Weston. - 1st Amphoto books ed. - New York : Watson-Guptill Publications, c2009. - 191 p. : col. ill. ; 25 cm. Includes index. ISBN: 9780817424510 Subjects--Topical Terms: Photography--Light filters. Dewey Class. No.: 777.52 / WES