Hama 55mm Variable Neutral Density Filter 00079155

  Features and Specifications Enables exposure to be lengthened With rotating front lens For reducing light if the brightness is too high Enables exposure to be lengthened between 1 and 8 aperture stops One neutral-density filter for more fields of application Allows the photographer to use large apertures while taking pictures outside backround gets hazy In case of exposure times longer than 130 seconds water "flows" (if they are shorter it freezes to ice)   Note for Consumers To avoid vignetting this filter has a superstructure of the front lens ie the diameter of the front lens is larger than that of the rear lens Please note that a lens cap with 58 mm is thus required