我家有台T1i, 镜头买的是 Sigma18-250 , 比Canon 同款zoom便宜$200. 照片效果很满意. 并且不用切换镜头.

http://www.amazon.com/Sigma-18-250mm-f3-5-6-3-Digital-Cameras/dp/B008B48AAE/ref=sr_1_1?ie=UTF8&qid=1378338451&sr=8-1&keywords=sigma+18-250mm+f3.5-6.3+dc+macro+os+hsm&tag=product_detail-20