BuyDig discounts a selection of refurbished Nikon digital SLR lenses via coupon code "RULEOF3RDS", as listed below. With free shipping, each is at least $40 and as much as $180 below the lowest total price we could find for a new unit elsewhere. The first two come with a 90-day Nikon warranty; no warranty info is provided for the 18-200mm. The deals, with prices after coupon:

• Refurbished Nikon 55-200mm f/4-5.6G IF-ED AF-S DX VR Zoom Lens (pictured) for $95
• refurbished Nikon 55-300mm f/4.5-5.6G VR AF-S Lens for $205
• refurbished Nikon 18-200mm f/3.5-5.6G VR II DX AF-S ED Lens for $499