Hands-on with new Tamron 100-400mm F4.5-6.3 Di VC USD
Hands-on with new Tamron 100-400mm F4. 5-6. 3 Di VC USD The new Tamron 100-400mm F4. 5-6. 3 Di VC USD is a lightweight telezoom aimed at enthusiast full-frame and APS-C DSLR users. The lightest zoom in its class (minus the optional tripod foot) the 100-400mm trades brightness for portability, weighing in at 40 ounces (roughly 1. dpreview.com »