This won't answer your question about Sigma 70-300. OTOH, since you seem to be a recent arrival, there are some recent threads in the Photography forum that may help you to identify the e--l d---s ... ooopppps ... I meant to say "participants" here ... My little corner.... http://www.renderosity.com/messages.ez?ForumID=12379&Form.ShowMessage=1670886 to continue MY LITTLE CORNER... any more cribs out there to post??? http://www.renderosity.com/messages.ez?ForumID=12379&Form.ShowMessage=1676511 If you search the archives, and trip over a thread with the phrase "dead things" ... just be careful. (G) MGD