Rob Studdert wrote:
Congratulations, the 31mm is an excellent lens and of course the black versionis both professional and produces better photos :-)
Thanks, Rob, I hope that, indeed ;-) In truth I chose the black one because I hope it will be more unobtrusive.One of the first pics (31mm/1.8, F=2.8) http://people.freenet.de/bienenbernd/TEMP/Himbeere.jpg
Best, Bernd

