I want to learn more about Macro Photography before investing in it. Also, how is the SB 21 Macro flash? How well does it work for non-macro shots? Hi Ross, Best book on macrophotography that I know Lester Lefkowitz The manual of close-up photography, 1979 Amphoto ISBN 0-8174-2456-3 Powell´s books - [EMAIL PROTECTED] - has a copy for US $ 9,50 others sell it at 75,00 to 100,00$ US Grab it fast, it has EVERYTHING you want to know about macro and more Enjoy Pierlucio