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I would want a good all around zoom first, and recomend the Canon 24-105 f4 L zoom. It is not perfect, but is serves many needs, and its price point is right about where you mentioned. It will also serve you well in the long term if you get a higher resolution camera some day. Once you get a feel for your other lens needs, you can branch out to other zooms or to primes as you build up a collection of lenses.