From Tamron USA:
April 20, 2017, Commack, NY- Tamron Co., Ltd. (President & CEO: Shiro Ajisaka), a leading manufacturer of precision optics, has announced that its SP 150-600mm f/5-6.3 Di VC USD G2 (Model A022) has been awarded with the "TIPA Awards 2017/ BEST DSLR TELEPHOTO ZOOM LENS" hosted by the TIPA (Technical Image Press Association).
Award Citation Excerpt
This long-range zoom is built for full-frame DSLRs but can also be used on APS-C DSLRs to deliver an incredible 225-900mm focal length range (approximate, depending on camera). Tamron's improved VC (vibration compensation) offers a 4.5 stop advantage with three modes for a variety of shooting scenarios. The lens incorporates three low dispersion elements to aid in the elimination of chromatic aberrations and is constructed with 21 elements in 13 groups, with a minimum focusing distance of 86.6 inches (220cm). Other features include eBAND and BBAR coating to help reduce ghosting and flare, a fast ultrasonic silent drive ring-type motor, and leak-proof seals on the metal barrel.
carries the Tamron SP 150-600mm f/5-6.3 Di VC USD G2 Lens