Lightweight and relatively easy to carry.

The sharpness and contrast were relatively poor.

I bought this lens after reading some very positive reviews on luminous landscapes. After loving the images captured on the 300/2.8IS, I thought a 400mm lens that was light and easier to carry was my dream. However, I was relatively disappointed in the sharpness and contrast in the images I obtained with this lens. I compared outdoor and indoor photos with the 400mmDO and 300/2.8IS +1.4xTC (canon). All shots were on a gitzo tripod with a kirk ballhead. Center AF was used. All of the photos were taken with a canon EOS 1D. Aperatures compared with f4, 5.6, and 8. In my opinion, in all examples, the sharpness and contrast was better with the 300TC combo. While I believe the 300/2.8 is one of canon''''s best lenses, a 5+K lens should at least equal the 300+TC combo to be reasonable.

Similar Products Used:

300/2.8IS, 100-400L IS