G'day All, Yep, I'm a newbie on this site. I have a Canon 500D with 18-55IS + 55-250IS, both these lenses come with the body. This was an insurance claim as my first DSLR, 400D was taken without my concent while not home. (A.H's) Never mind, get over it. I'm enjoying the T1i with all the settings I'm able to change and learn to mix and match. What I'm wanting to learn and know, I can get around some of the number's that each lens will have, but would like to have a list or chart that I can look at and then follow to work out what a lens is capable of doing what. Plus, what lens's would be a good start to get to combine with the two that I have at present. I'd like to get into some portrait taking, but my main area of wanting to learn is landscape. Any sugestrions please.

Thanks, Kev.