The canon ew 63c lens hood shields the front element of your lens from unwanted light to prevent flare whilst also providing physical protection against impact the ew 63c lens hood is designed for use with the canon ef s 18 55mm f35 56 is stm lens 58mm filter thread this lens hood will not fit the 18 55mm f35 56 is ii or 18 55mm lens with ef m mount for the eos m