Sony E 55-210mm F4.5-6.3 OSS is an Auto Focus (AF) Telephoto Zoom 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 82.5 - 82.5mm. With the max aperture of only f4.5 at 55mm, it is considered a slow lens.
This lens features on optical image stabilization which helps capturing sharper images at lower shutter speeds. Sony E 55-210mm F4.5-6.3 OSS is not a weather sealed lens, so you have to be extra careful against rain and dust.