Hi i a newbie in photographic, I own a Canon 500D + the 18-55 Kit lens. Now i wanted to upgrade my 18-55 Lens to something better can any one recommend me a lens that is suitable for me. By the way, I usually take portrait and landscape photo. Below are some Lens i have in mind.
[Canon]EF-S 17-85mm f/4-5.6
[Sigma]18-200mmf/3.5-6.3 DC OS