Dianthus opened this issue on Feb 15, 2006 ยท 12 posts
LostPatrol posted Wed, 15 February 2006 at 8:43 PM
Attached Link: Sigma reviews
I have all Canon glass, but I know some photographers that use Sigma and are very happy with them. The build/optical quality is generally comparable, with non L Canon lenses. Some are better some worse. Check the link for reviews from actual users.