Tamron 16-300mm f3.5-6.3 II VC PZD is an Auto Focus (AF) SuperZoom lens with APS-C / DX max sensor coverage. When mounted on a APS-C / DX sensor camera, it will give you an FF equivalent focal range of 24 - 450mm. With a max aperture of f3.5 at 16mm, we can not consider this lens fast on wide end, and it is slow at the tele end with its max aperture of f6.3.
This lens features on optical image stabilization which helps capturing sharper images at lower shutter speeds. Tamron 16-300mm f3.5-6.3 II VC PZD is weather sealed which makes it an ideal lens for outdoor use, especially when coupled with a weather sealed camera body.