NEUTRAL DENSITY FILTER ND4 PERFECTLY COMPATIBLE WITH. THIS NEUTRAL DENSITY FILTER ALLOWS TO REDUCE THE LIGHT OF THE LENS OF 2 DIAPHRAGM STOP. IDEAL FOR PHOTOGRAPHING FALLS, COURSES OF WATER, LANDSCAPES WITH LONG EXPOSURE, WHEN IT IS NECESSARY TO REDUCE THE LIGHT THAT ENTER IN THE OBJECTIVE, OR SIMPLY IN ALL CASES IF YOU NEED TO REDUCE THE LIGHT IN THE OBJECTIVE OR WHEN YOU WANT TO MAKE PHOTOGRAPHS WITH A MOVE EFFECT.
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