For the past several years my main bird photography equipment has been one of Canon’s xxD bodies (30D, 40D, 50D and the recent 7D) along with either the Canon 400mm f/5.6L or the Canon 300mm f/4L IS. Sometimes I’ve also used these lenses with the Canon 1.4x Extender.
Both of these lenses offer superb image quality with impeccable sharpness. But, there have been times over the last few years when I missed out on photo opportunities because neither one of these lenses would perform adequately.
What kind of conditions am I talking about? When there’s poor lighting and little time to get the shot. The photo below is a good example. It’s a shot of an adult Red-shouldered Hawk that was taken very late in the afternoon. The sky was heavily overcast, causing some dim lighting conditions. [Read more…] about How Do You Know When to Upgrade Your Equipment?