Tamron 18-400mm F/3.5-6.3 Di II VC HLD officially announced ($649)
Tamron 18-400mm F/3.5-6.3 Di II VC HLD pre-order at $649: Adorama | B&H Photo At a glance: World's first 22.2x ultra-telephoto all-in-one zoom lens 620mm full-frame equivalent telephoto reach VC…