This is an interesting link for you guys with Canon 300mm F4 lens (actually, you already know all this.. but it may be useful for those who still strongly think that money=quality. Not always.. fortunately .. :-) )
It came from CN, here:
http://www.cloudynights.com/ubbthrea...8/Main/3042361
Image (full frame, M44) taken with this lens:
http://farm4.static.flickr.com/3343/...509780c6_o.jpg
and the test (the one I would like to see as part of any lens review.. )
http://farm4.static.flickr.com/3341/...cca1f3fd_o.jpg