Standard lenses compared

[stingOM]

None mine BTW:
http://www.flickr.com/photos/nesster/3687203516/sizes/o/in/photostream/

More here:
http://www.flickr.com/photos/nesster/sets/
http://www.flickr.com/photos/nesster/3680644031/in/set-72157594578815656
http://www.flickr.com/photos/nesster/3681459296/in/set-72157594578815656
http://www.flickr.com/photos/nesster/5326310389/in/set-72157594578815656
http://www.flickr.com/photos/nesster/5326310363/in/set-72157594578815656
http://www.flickr.com/photos/nesster/5326310411/in/set-72157594578815656
http://www.flickr.com/photos/nesster/5326310447/in/set-72157594578815656
http://www.flickr.com/photos/nesster/5326310475/in/set-72157594578815656
http://www.flickr.com/photos/nesster/5326310269/in/set-72157594578815656
http://www.flickr.com/photos/nesster/5326917338/in/set-72157594578815656
http://www.flickr.com/photos/nesster/5326310333/in/set-72157594578815656

[Excalibur]

[luisalegria]

Thank you !

The take-away for me is that performance is so remarkably similar that in practice they are effectively indistinguishable.

I would find them indistinguishable anyway, I admit my standards are low.