Canon EF-S 35mm F2.8 Macro IS STM is an Auto Focus (AF) Macro Prime 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 56mm. With a max aperture of f2.8, this is a fast lens.
This lens features on optical image stabilization which helps capturing sharper images at lower shutter speeds. Canon EF-S 35mm F2.8 Macro IS STM is not a weather sealed lens, so you have to be extra careful against rain and dust.