I just purchased this lens. So far I am very impressed with it. Here is an example at 100% crop.


[img]/resized-image.ashx/__size/800x800/__key/CommunityServer-Discussions-Components-Files/8/5383.100.jpg[/img]


Camera Model: Canon EOS-1D Mark II N
Lens: 70.0-300.0 mm
Image Date: 2011-05-06 12:06:44 +0000
Focal Length: 300mm
Aperture: f/8.0
Exposure Time: 0.013 s (1/80) <span style="font-size: small;"]hand held
ISO equiv: 100
Exposure Bias: none
Metering Mode: Partial
Exposure: aperture priority (semi-auto)
White Balance: Auto
Flash Fired: Yes (Auto, return light detected)