Herschel But the f1.8 is MUCH cheaper, it's physically lighter and it's more robust. Does not that make it better? Bob PS: I have the 1.4 but that was just because I could .... -- Whatever you Wanadoo: http://www.wanadoo.co.uk/time/ This email has been checked for most known viruses - find out more at: http://www.wanadoo.co.uk/help/id/7098.htm