Patent ID: 8054545

Claim:
A lens hood for a camera lens having an external surface, the lens hood having a mounting barrel being hollow, being configured to be movably and axially mounted around the camera lens and having an internal surface; a front end; a rear end; a sliding recess being formed in the internal surface of the mounting barrel and having a front and a rear end; and at least one detent being located annularly and around the entire circumference of the internal surface of the mounting barrel, being selectively located at the front end and the rear end of the sliding recess, being adjacent to, communicating with, and being recessed deeper than the sliding recess, each one of the at least one detent having a width; and a holding ring being resilient, being configured to be mounted securely around the external surface of the camera lens and abutting the internal surface of the mounting barrel and being selectively mounted in the at least one detent to prevent the holding ring from constantly being pressed between the mounting barrel and the camera lens and having a width smaller than the width of the at least one detent to enable the holding ring to mount in the at least one detent.