[IanCD]

[quote name='Vieux loup' timestamp='1317850148' post='12143']

This is a very interesting article:

[url="http://www.lensrentals.com/blog/2011/10/notes-on-lens-and-camera-variation"]http://www.lensrentals.com/blog/2011/10/notes-on-lens-and-camera-variation[/url]

[/quote]

I also found Roger Cicala's two related articles on this interesting:

• [url="http://www.lensrentals.com/blog/2010/03/this-lens-is-soft-and-other-facts"]"This lens is soft" and other facts[/url]
  
  
• [url="http://www.lensrentals.com/blog/2008/12/this-lens-is-soft-and-other-myths"]"This lens is soft" and other myths[/url]