Sigma 18-50mm f/3.5-5.6 DC Lens for Canon EOS Digital 521101 B&H
Canon EOS Kiss X5 body + Sigma 18-250mm f3.5-6.3 Lens + Canon EF 50mm f/1.8 Lens | eBay
Amazon.com : Sigma 18-50mm f/2.8-4.5 SLD Aspherical DC Optical Stabilized (OS) Lens with Hyper Sonic Motor (HSM) for Canon Digital SLR Cameras : Camera Lenses : Electronics