BuyDig discounts a selection of Tamron lenses for digital SLR cameras via mail-in rebates, as listed below. With free shipping on each, they're at the lowest total prices we could find by at least $57. (Some are at more substantial price lows.) Rebate ends December 31. The deals, with prices after rebate:

• Tamron SP AF70-300mm f/4-5.6 Di USD Lens for Minolta (pictured) or Sony for $342 via $50 rebate
• Tamron 18-270mm f/3.5-6.3 Di II VC PZD Lens for Nikon for $469 via $100 rebate
• Tamron 18-270mm f/3.5-6.3 Di II VS PZD Lens for Sony for $469 via $100 rebate
• Tamron 18-270mm f/3.5-6.3 Di II VC PZD Lens for Canon for $469 via $100 rebate