BuyDig offers the Sigma 18-250mm f/3.5-6.3 DC Macro HSM Lens for Nikon, model no. 883-306, Canon (pictured), model no. 883-101, or Sony, model no. 883-205, for $399. Coupon code "VME03" cuts it to $309 when you pay via V.me by Visa. With free shipping, that's the lowest total price we could find by $61. It features a minimum aperture of F22, seven diaphragm blades, and more. Deal ends March 31.