The lens hood is made entirely of metal, contains very clean cut threads and a very robust black coating. I am new "Canon EF-S 24mm 1: 2.8 STM" lens one, but they have not screwed directly into the lens, but still in between a thin filter of type "B + W UV HAZE filter ( 52mm, MRC Nano XS-PRO digital) "mounted. Thus, the lens hood also protects the filter surface from eg fingerprints, but is still not visible in the picture. The supplied lens cap with the lens fits perfectly into the thread of the lens hood. Through filters and lens hood, the lens has become only about 1 cm thick and still fits into any pocket ...