Canon RF 35mm F1.8 IS STM Macro is an Auto Focus (AF) Wideangle Prime lens with 35mm FF max sensor coverage. When mounted on a 35mm FF sensor camera, it will give you an FF equivalent focal range of 0mm. Providing a max aperture of f1.8 at 35mm, this lens is very fast.
This lens features on optical image stabilization which helps capturing sharper images at lower shutter speeds. Canon RF 35mm F1.8 IS STM Macro is not a weather sealed lens, so you have to be extra careful against rain and dust.