Can anyone help me learn about these two lenses? I'd love to have one someday, but for now I'm just trying to figure out why one would be better than the other. I have looked through the photo archives of both. Great pics. I'll try to ask specific questions as I know the general ones can have many different answers and usually the answers depend on what type of shooting will be done.
If I was to be photographing almost strictly wildlife with one, is there a better choice? How far away from your subject would you want to be with the 400? Is one lense better suited for a particular type of photography? Obviously there is the difference in FL, maybe that's what I don't understand. If you had the 100-400, would most of your wildlife shots be at 400mm? What would you use the 100-200 range for? I guess that depens on the person though right? Is the 400 strictly a wildlife type lens and the 100-400 more versatile? Can be used for sports or something else? If you had the 400, would there be a time that you wished you had the 100-400?
Sorry for all the questions, I am just really enjoying learning all I can about this stuff. So if you know of a blog or something that explains this already, I'd love to read it.
Thanks a bunch for your thoughts!