03-17-2011, 10:55 PM
Here is the comparison of Nikon 70-300 vs. Tamron 70-300. Nikon 28-300 has been added too in the longer ends of its range.
Everything was shot from a tripod, without VR/VC of course.
http://www.makofoto.cz/nikon/objektivy/Tamron_70_300VC/Tamron_70_300VC.htm
It is in Czech, however, you may get a picture concerning the sharpness. Just to help you with 2 important words for translation: "Střed" = centre "Okraj" = edge.
Everything was shot from a tripod, without VR/VC of course.
http://www.makofoto.cz/nikon/objektivy/Tamron_70_300VC/Tamron_70_300VC.htm
It is in Czech, however, you may get a picture concerning the sharpness. Just to help you with 2 important words for translation: "Střed" = centre "Okraj" = edge.