Tamron USA authorized dealer Buy Dig via eBay has a great deal on Tamron SP 150-600mm f/5-6.3 Di VC USD lens.
Refurbished Tamron SP 150-600mm f/5-6.3 Di VC USD Lens – $879.00 – at Buy Dig via eBay.com
Regular price for this lens is $1,069 in most US stores (Amazon, B&H Photo Video, Adorama).