WTT: Canon EOS EF Telephoto Lens or Converter for my Macbook

[atmenterprises]

Recently got back into photography since the days of my old Canon Rebel SLR. The Sigma 28-200 lens I have isn't quite compatible with my Canon Ti2, so I'm looking for some decent glass. Currently into moon shots and landscape photography and I'd like to get at least 200mm if not 300mm.

I have a 2008, 13" white Macbook 2.4GHz Core2Duo with 2 GB RAM that I'd like to trade for a nice telephoto lens that's compatible with my Canon, or a decent lens and a converter. Macbook is functionally excellent with the battery holding a long charge but has one cosmetic chip at the right front where the lid enclosure first made the crack in the plastic and then pieces came off. Attached picture of cosmetic chip for anyone interested. Comes installed with Mac OS X Leopard.

Item is located in South Carolina and will ship to the contiguous 48 states.