Sigma 18-250mm f3.5-6.3 DC Macro OS HSM Zoom Lens (APS-C) for $249.97 shipped. Here is a screenshot for your reference. You can select the mount for the major brands, including Canon, Nikon, Sony, and more. This lens covers wide angle at 18mm to telephoto at 250mm, which should make this a convenient walkaround lens. Most places have it for about $349.