Canon - EF 100-400mm f/4.5-5.6 IS USM Lens Reviews

One of the most conterversial lenses offered by Canon. I have owned three copies of this lens over the period of 5 years and each of them performed perfectly. Producing sharp image even wide open. I have test my current copy with the Canon EF 400mm f/5.6 L lens and the two lenses produced images that were similar in sharpness and contrast. I duely sold my 400mm prime lens. — — This lens along with the 17-40 and 24-105 complete the entire zoom range required for any normal travel photography with out breaking your back and fits nicely into any medium sized camera bag. —… read full review »

What an awesome lens! I have been extremely pleased with the quality and sharpness of the Canon EF 100-400 USM IS. That image stabalizer has allowed me to shoot in lower light situations than with my old lenses. I have wanted this lens since it originally came out and finally purchased it a few months ago. There are only 2 things I can think of that I really don't like about the lens, though. 1. It's heavy. I mean really heavy. Especially after carrying it around all day. Tip: it comes with a lens case. Discard the strap that comes with it and go spend a few bucks on a wider strap that will… read full review »