Sliding friction member for lens sliding ring

摘要

A photographing lens device having an improved sliding friction member which restrains sliding movement of a sliding ring such as a lens hood ring or a zooming ring with respect to the mating sleeve in which it is slidably received. The sliding friction member is formed of a corrugated elastic member which is bent into an annular shape and fitted into a receiving groove formed in the sliding ring. The inner surface of the elastic member may be flocked to prevent scratching.