Hi, Keith! I believe you really mean 80-400 AFS G lens. I can admit its equal sharpness thru the zoom, from 80 to 400mm, even wide open, with some climb of sharpness to the long end, contrary to the "popular" testers. To be exact, I was waiting for price drop, and got this lens from E-Bay, on my own risk, as I thought. To my surprise, this one appears to be the sharpest long zoom I've ever had, especially at the long end. Did take a look at my copy, my friends got 5 of them, which were almost equal on the field. There are a lot of images with crops taken by me at the whole zoom range, so click on any pic or crop inside this topic, and EXIF from Flickr will tell you everything. But one more very important thing - take it into your account, please - this lens requires extremely precise Fine tune, at the long end. Even smallest mistake will make you think your copy is not up to your expectations. THX! LZ