While I'm still learning about SLR ropes, I'm a very diligent, picky shopper and I won't buy anything over $30 unless I've done my research Work. Yes, I'm one of them. I wanted to find a good general purpose lens for the Rebel XTi: I'm spending time in a remote home in Alaska and California's Central Valley. My wife and I love to travel. I don't like carrying a lot of things with me. I want quality glass, but I know I don't need professional equipment. Here are some of the things I learned from this research. In a study I read many reviews. Here. pages with photos. blogs. Everything Google could find. In the second round of research, I called all my photographer friends, professionals and amateurs. I should buy this lens too.) Final Thoughts: 1. This is all new to me. I used to be waterproof and shot. With this lens I can take pictures that I have only dreamed of before. I know Ansel Adams could have taken a better photograph than what I'm composing with a disposable camera, but I'm more confident that I can capture what I want to remember. 2. 200mm is good. 300mm would be great, but I realize I'd have a much larger lens hanging around my neck. It's no fun walking in Alaska. or almost anywhere, really. i am amateur I can cope with 100 mm loss. I also like the wide angle as the Alaskan wildlife and California farm call for big buds.3. Stability is good when I need it. I've found that I don't use Stability very often, but when I do, it's GREAT. When I encountered a moose and two calves at 2am this summer in Alaska, the stability option was the only tool that gave me something that looked like a picture (though blurry, wanted) in such low light with the lens fully extended I). Proof). that they were on the lawn). I won't post this photo because it's just awful but please trust me to tell the truth. If I had a tripod or tree handy, the shot would really work. As others have said, the zoom and focus rings are fairly close together. I always tell EVERYONE holding my camera to be careful when the lens focus is set to Auto.5. The lens focuses fairly quickly. Some relatives have a standard no-frills 200mm Tamron. The Tamron is slower than this lens and seems to be more sought after in patchy or low light (they have the same camera). This lens can search in low light where there isn't much contrast, but flash pulses seem to provide instant focus.6. The little lock on the lens feels like a burden at first, but I've gotten used to it and don't even notice it: my fingers automatically press the lock and the camera's power button at the same time.7 . It may sound silly, but I liked the lens hood. I actually used it in Alaska and got good results (sea shots, wildlife shots). CONCLUSION: A good lens at a good price. It's not 300mm and it's not 2.8, but it does its job well. Great all-rounder.