BuyDig via eBay offers the Sigma 18-250mm f3 5-6.3 DC Macro HSM Lens for Canon, model no. 883954, Nikon, model no. 883955, Sony, model no. 883962, or Pentax, model no. 883961, for $249 with free shipping. That's the lowest total price we could find by $49. It features image stabilization, full-time manual focusing, and 62mm filters.