Tamron 18-270mm 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 27 - 27mm. With a max aperture of f3.5 at 18mm, this is a moderately fast lens.
This lens features on optical image stabilization which helps capturing sharper images at lower shutter speeds. Tamron 18-270mm f3.5-6.3 II VC PZD is not a weather sealed lens, so you have to be extra careful against rain and dust.