Looking for a web site that compares lenses. Thought I originally came across the link here on the 7D forums.

The site was unique in that it included 3d graphs of lens sharpness.

Thanks.

Have you tried photozone.de ? I find it to be the best site of this kind.

Canon EOS News (http://www.the-digital-picture.com/Canon-News/)

This is the best Canon info site I know of. Scroll to the bottom of the page for lens reviews. The reviews are very technical and excellent, with lots of explanations.

Fred Miranda's site has a pretty comprehensive [user lens review section (http://www.fredmiranda.com/reviews/)]. Also DP Challenge has [sorted the challenge entries by lens (http://www.dpchallenge.com/lens.php)] so you can get an idea of how the lenses perform.

I second Olof's recommendation for The-Digital-Picture.com (http://www.the-digital-picture.com/). The reviews match own experience with Canon lenses.

Thanks for the replys. Good resources. Here is the site I was looking for: Camera lens tests, user reviews, camera accessory reviews - SLRgear.com! (http://www.slrgear.com/reviews/index.php)

Here are some others:

Camera Labs: Digital Camera, DSLR, and Lens Reviews. Recommended cameras (http://www.cameralabs.com/)

Canon EF 400mm f/5.6 L USM Lens - Tamron SP AF 17-50mm f/2.8 XR Di II VC LD IF Lens Comparison - ISO 12233 Resolution Chart Results (http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?FLI=0&API=0&Sample=0&FLIComp=0&APIComp=0&LensComp=679&CameraComp=474&SampleComp=0&Lens=278)