This EW-73B Lens Hood prevents flare and ghosting, caused by stray light entering the lens. It is particularly useful when shooting into the light as it protects the lens front element from accidental damage.BenefitsSafeguards against stray lightHelps protect lens front elementCan be reverse fitted for space saving in camera bagHigh quality design and constructionThis EW-73B Lens Hood prevents flare and ghosting, caused by stray light entering the lens. It is particularly useful when shooting into the light as it protects the lens front element from accidental damage.BenefitsSafeguards against stray lightHelps protect lens front elementCan be reverse fitted for space saving in camera bagHigh quality design and construction