You’d rather spend more and buy an own-brand Nikon, Sony or Panasonic 85mm f/1.8 lens, to match your camera system. You need a lens that features weather-seals, which are unsurprisingly lacking ...
The Meike AF 85mm f/1.8 takes ... in Canon fit and for this review coupled with the Canon EOS 5DS R 50mp body. Later it is expected that Meike may follow up with Nikon and Sony FE mount versions.