Ultraviolet rays can cause a bluish cast in photos as well as increase the effect of atmospheric haze. The filter blocks ultraviolet rays, which adversely affect both B&W and color films. It is considered a necessity for the scenic photographer. It can also be left on at all times to protect the lens.
BAF – Black matt aluminum satin finish almite frame reduces reflections.
LPF: Ultra think low profile frames to help avoid vignette on super wide angle lenses.
BRG: Black rimmed glass reduces light reflections around the filter edge.
KEF: Equipped with a knurling edge for easy attachment and removal.
DVC: Digital multicoated filters greatly reduce lens flare and ghosting caused by reflections.
Glass manufactured by AGC Corporation Japan.